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• directory traversal in Java using different regular and enhanced for loops

  - by user3245621

  I have this code to print out all directories and files. I tried to use recursive method call in for loop. With enhanced for loop, the code prints out all the directories and files correctly. But with regular for loop, the code does not work. I am puzzled by the difference between regular and enhanced for loops. public class FileCopy { private File[] childFiles = null; public static void main(String[] args) { FileCopy fileCopy = new FileCopy(); File srcFile = new File("c:\\temp"); fileCopy.copyTree(srcFile); } public void copyTree(File file){ if(file.isDirectory()){ System.out.println(file + " is a directory. "); childFiles = file.listFiles(); /*for(int j=0; j<childFiles.length; j++){ copyTree(childFiles[j]); } This part is not working*/ for(File a: childFiles){ copyTree(a); } return; } else{ System.out.println(file + " is a file. "); return; } } }

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• Multiple PictureBoxs' C#

  - by Austin Smith

  I'm having a hard time figuring this out. I know pictureBox only lets you display one image a time. I'm trying to create a pictureBox for each image in my collection. For instance if I have ten images in my List, then the method should create ten pictureBox for those respective images so each one is displayes in a pictureBox. I'm not sure which would be better a for loop or a foreach loop instead. every time the loop increments both the varaiables XCoordinate and YCoordinate which are the location of the PictireBox shoulld increase so that the PictureBox won't overlap one another in the Form. The reason for the method is that the number of images in the collection can change everytime the application will run. That's why I'm not creating them manually. So after its done all the pictures in the list should appear in a picture.Box. The box should be all the same size the only difference is the location on the form and the images inside them. Please any help and I will be grateful

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• Java reflection Method invocations yield result faster than Fields?

  - by omerkudat

  I was microbenchmarking some code (please be nice) and came across this puzzle: when reading a field using reflection, invoking the getter Method is faster than reading the Field. Simple test class: private static final class Foo { public Foo(double val) { this.val = val; } public double getVal() { return val; } public final double val; // only public for demo purposes } We have two reflections: Method m = Foo.class.getDeclaredMethod("getVal", null); Field f = Foo.class.getDeclaredField("val"); Now I call the two reflections in a loop, invoke on the Method, and get on the Field. A first run is done to warm up the VM, a second run is done with 10M iterations. The Method invocation is consistently 30% faster, but why? Note that getDeclaredMethod and getDeclaredField are not called in the loop. They are called once and executed on the same object in the loop. I also tried some minor variations: made the field non-final, transitive, non-public, etc. All of these combinations resulted in statistically similar performance. Edit: This is on WinXP, Intel Core2 Duo, Sun JavaSE build 1.6.0_16-b01, running under jUnit4 and Eclipse.

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• table in drupal with edit link

  - by user544079

  I have a table created in drupal with the edit link pointing to the input form. But the problem is, it only displays the last row values in the $email and $comment variables. Can anyone suggest how to modify the table display to have the edit link to the corresponding records? function _MYMODULE_sql_to_table($sql) { $html = ""; // execute sql $resource = db_query($sql); // fetch database results in an array $results = array(); while ($row = db_fetch_array($resource)) { $results[] = $row; $email = $row['email']; $comment = $row['comment']; drupal_set_message('Email: '.$email. ' comment: '.$comment); } // ensure results exist if (!count($results)) { $html .= "Sorry, no results could be found."; return $html; } // create an array to contain all table rows $rows = array(); // get a list of column headers $columnNames = array_keys($results[0]); // loop through results and create table rows foreach ($results as $key => $data) { // create row data $row = array( 'edit' => l(t('Edit'),"admin/content/test/$email/$comment/ContactUs", $options=array()),); // loop through column names foreach ($columnNames as $c) { $row[] = array( 'data' => $data[$c], 'class' => strtolower(str_replace(' ', '-', $c)), ); } // add row to rows array $rows[] = $row; } // loop through column names and create headers $header = array(); foreach ($columnNames as $c) { $header[] = array( 'data' = $c, 'class' = strtolower(str_replace(' ', '-', $c)), ); } // generate table html $html .= theme('table', $header, $rows); return $html; } // then you can call it in your code... function _MYMODULE_some_page_callback() { $html = ""; $sql = "select * from {contactus}"; $html .= _MYMODULE_sql_to_table($sql); return $html; }

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• Setting default values for object properties in AS3

  - by Paul T

  I'm an actionscript newbie so please bear with me. Below is a function, and I am curious how to set default property values for objects that are being created in a loop. In the example below, these propeties are the same for each object created in the loop: titleTextField.selectable, titleTextField.wordWrap, titleTextField.x If you pull these properties out of the loop, they are null because the TextField objects have not been created, but it seems silly to have to set them each time. What is the correct way to do this. Thanks! var titleTextFormat:TextFormat = new TextFormat(); titleTextFormat.size = 10; titleTextFormat.font = "Arial"; titleTextFormat.color = 0xfff200; for (var i=0; i<arrThumbPicList.length; i++) { var yPos = 55 * i var titleTextField:TextField = new TextField(); titleTextField.selectable = false; titleTextField.wordWrap = true; titleTextField.text = arrThumbTitles[i]; titleTextField.x = 106; titleTextField.y = 331 + yPos; container.addChild(titleTextField); titleTextField.setTextFormat(titleTextFormat); }

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• Differentiate Between UITableView Editing States?

  - by Josh Kahane

  I have been looking at trying to differentiate between editing states in my UITableView. I need to call a method only when in editing mode after tapping the edit button, so when you get your cell slide in and you see the little circular delete icons but NOT when the user swipes to delete. Is there anyway I can differentiate between the two? Thanks. EDIT: Solution thanks to Rodrigo Both each cell and the entire tableview has an 'editing' BOOL value, so I loop through all the cells and if more than one of them is editing then we know the whole table is (the user tapped the edit button), however if only one is editing then we know that the user has swiped a cell, editing that individual one, this lets me deal with each editing state individually! - (void)setEditing:(BOOL)editing animated:(BOOL)animated { [super setEditing:editing animated:animated]; int i = 0; //When editing loop through cells and hide status image so it doesn't block delete controls. Fade back in when done editing. for (customGuestCell *cell in self.tableView.visibleCells) { if (cell.isEditing) { i += 1; } } if (i > 1) { for (customGuestCell *cell in self.tableView.visibleCells) { if (editing) { // loop through the visible cells and animate their imageViews [UIView beginAnimations:nil context:nil]; [UIView setAnimationDuration:0.4]; cell.statusImg.alpha = 0; [UIView commitAnimations]; } } } else if (!editing) { for (customGuestCell *cell in self.tableView.visibleCells) { [UIView beginAnimations:nil context:nil]; [UIView setAnimationDuration:0.4]; cell.statusImg.alpha = 1.0; [UIView commitAnimations]; } } }

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• How do I reset my pointer to a specific array location?

  - by ohtanya

  I am a brand new programming student, so please forgive my ignorance. My assignment states: Write a program that declares an array of 10 integers. Write a loop that accepts 10 values from the keyboard and write another loop that displays the 10 values. Do not use any subscripts within the two loops; use pointers only. Here is my code: #include "stdafx.h" #include <iostream> using namespace std; int main() { const int NUM = 10; int values[NUM]; int *p = &values[0]; int x; for(x = 0; x < NUM; ++x, ++p) { cout << "Enter a value: "; cin >> *p; } for(x = 0; x < NUM; ++x, ++p) { cout << *p << " "; } return 0; } I think I know where my problem is. After my first loop, my pointer is at values[10], but I need to get it back to values[0] to display them. How can I do that?

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• Runtime of optimized Primehunter

  - by Setton

  Ok so I need some serious runtime help here! This method should take in an int value, check its primality, and return true if the number is indeed a prime. I understand why the loop only needs to go up to i squared, I understand that the worst case scenario is the case in which either the number is prime (or a multiple of a prime). But I don't understand how to quantify the actual runtime. I have done the loop myself by hand to try to understand the pattern or correlation of the number (n) and how many loops occur, but I literally feel like I keep falling into the same trap every time. I need a new way of thinking about this! I have a hint: "Think about the SIZE of the integer" which makes me want to quantify the literal number of integers in a number in relation to how many iterations it does in the for loop (floor log(n)) +1). BUT IT'S NOT WORKIIIING?! I KNOW it isn't square root n, obviously. I'm asking for Big O notation. public class PrimeHunter { public static boolean isPrime(int n) { boolean answer = (n > 1) ? true : false; //runtime = linear runtime for (int i = 2; i * i <= n; i++) //runtime = ????? { if (n % i == 0) //doesn't occur if it is a prime { answer = false; break; } } return answer; //runtime = linear runtime } }

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• App cannot start at all in Android 2.2 (Froyo)

  - by Roland Lim

  Dear fellow Android developers & Google Engineers, My app has been running okay until the recent Froyo update. After installing the Android 2.2 SDK, I can compile my code without any errors. However, when I run it, it just force closes: Here's the log: 05-23 10:15:13.463: DEBUG/AndroidRuntime(423): >>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<< 05-23 10:15:13.463: DEBUG/AndroidRuntime(423): CheckJNI is ON 05-23 10:15:14.193: DEBUG/AndroidRuntime(423): --- registering native functions --- 05-23 10:15:15.293: DEBUG/AndroidRuntime(423): Shutting down VM 05-23 10:15:15.303: DEBUG/dalvikvm(423): Debugger has detached; object registry had 1 entries 05-23 10:15:15.333: INFO/AndroidRuntime(423): NOTE: attach of thread 'Binder Thread #3' failed 05-23 10:15:16.003: DEBUG/AndroidRuntime(431): >>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<< 05-23 10:15:16.013: DEBUG/AndroidRuntime(431): CheckJNI is ON 05-23 10:15:16.273: DEBUG/AndroidRuntime(431): --- registering native functions --- 05-23 10:15:17.392: INFO/ActivityManager(59): Starting activity: Intent { act=android.intent.action.MAIN cat= [android.intent.category.LAUNCHER] flg=0x10000000 cmp=com.handyapps.easymoney/.EasyMoney } 05-23 10:15:17.602: DEBUG/AndroidRuntime(431): Shutting down VM 05-23 10:15:17.662: DEBUG/dalvikvm(431): Debugger has detached; object registry had 1 entries 05-23 10:15:17.742: INFO/AndroidRuntime(431): NOTE: attach of thread 'Binder Thread #3' failed 05-23 10:15:17.912: INFO/ActivityManager(59): Start proc com.handyapps.easymoney for activity com.handyapps.easymoney/.EasyMoney: pid=438 uid=10035 gids={1006, 1015} 05-23 10:15:19.032: DEBUG/AndroidRuntime(438): Shutting down VM 05-23 10:15:19.032: WARN/dalvikvm(438): threadid=1: thread exiting with uncaught exception (group=0x4001d800) 05-23 10:15:19.062: ERROR/AndroidRuntime(438): FATAL EXCEPTION: main 05-23 10:15:19.062: ERROR/AndroidRuntime(438): java.lang.RuntimeException: Unable to instantiate application com.handyapps.easymoney.EasyMoney: java.lang.ClassCastException: com.handyapps.easymoney.EasyMoney 05-23 10:15:19.062: ERROR/AndroidRuntime(438): at android.app.ActivityThread$PackageInfo.makeApplication (ActivityThread.java:649) 05-23 10:15:19.062: ERROR/AndroidRuntime(438): at android.app.ActivityThread.handleBindApplication (ActivityThread.java:4232) 05-23 10:15:19.062: ERROR/AndroidRuntime(438): at android.app.ActivityThread.access$3000(ActivityThread.java:125) 05-23 10:15:19.062: ERROR/AndroidRuntime(438): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2071) 05-23 10:15:19.062: ERROR/AndroidRuntime(438): at android.os.Handler.dispatchMessage(Handler.java:99) 05-23 10:15:19.062: ERROR/AndroidRuntime(438): at android.os.Looper.loop(Looper.java:123) 05-23 10:15:19.062: ERROR/AndroidRuntime(438): at android.app.ActivityThread.main(ActivityThread.java:4627) 05-23 10:15:19.062: ERROR/AndroidRuntime(438): at java.lang.reflect.Method.invokeNative(Native Method) 05-23 10:15:19.062: ERROR/AndroidRuntime(438): at java.lang.reflect.Method.invoke(Method.java:521) 05-23 10:15:19.062: ERROR/AndroidRuntime(438): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run (ZygoteInit.java:868) 05-23 10:15:19.062: ERROR/AndroidRuntime(438): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 05-23 10:15:19.062: ERROR/AndroidRuntime(438): at dalvik.system.NativeStart.main(Native Method) 05-23 10:15:19.062: ERROR/AndroidRuntime(438): Caused by: java.lang.ClassCastException: com.handyapps.easymoney.EasyMoney 05-23 10:15:19.062: ERROR/AndroidRuntime(438): at android.app.Instrumentation.newApplication(Instrumentation.java:957) 05-23 10:15:19.062: ERROR/AndroidRuntime(438): at android.app.Instrumentation.newApplication(Instrumentation.java:942) 05-23 10:15:19.062: ERROR/AndroidRuntime(438): at android.app.ActivityThread$PackageInfo.makeApplication (ActivityThread.java:644) 05-23 10:15:19.062: ERROR/AndroidRuntime(438): ... 11 more 05-23 10:15:19.082: WARN/ActivityManager(59): Force finishing activity com.handyapps.easymoney/.EasyMoney 05-23 10:15:19.592: WARN/ActivityManager(59): Activity pause timeout for HistoryRecord{450018f0 com.handyapps.easymoney/.EasyMoney} //////////////THE ANDROID MANIFEST FILE//// <uses-permission android:name="android.permission.READ_PHONE_STATE"/> <uses-permission android:name="android.permission.CAMERA"/> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <uses-feature android:name="android.hardware.camera" /> <uses-sdk android:minSdkVersion="3" android:targetSdkVersion="4" /> <application android:icon="@drawable/icon" android:name="@string/app_name" android:label="@string/app_name" android:debuggable="false"> <activity android:name=".EasyMoney" android:label="@string/app_name" android:theme="@android:style/Theme.NoTitleBar" android:launchMode="singleTask" android:clearTaskOnLaunch="true"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".TranList" android:label="@string/app_name" android:theme="@android:style/Theme.Light.NoTitleBar"/> <activity android:name=".TranEdit" android:theme="@android:style/Theme.Light.NoTitleBar" android:windowSoftInputMode="stateAlwaysHidden"/> <activity android:name=".BillReminderEdit" android:theme="@android:style/Theme.Light.NoTitleBar" android:windowSoftInputMode="stateAlwaysHidden"/> <activity android:name=".BillReminderList" android:launchMode="singleTop" android:theme="@android:style/Theme.Light.NoTitleBar"/> <activity android:name=".BudgetList" android:theme="@android:style/Theme.Light.NoTitleBar"/> <activity android:name=".BudgetEdit" android:theme="@android:style/Theme.Light.NoTitleBar" android:windowSoftInputMode="stateAlwaysHidden"/> <activity android:name=".Search" android:theme="@style/CustomDialogTheme" android:windowSoftInputMode="stateAlwaysHidden"/> <activity android:name=".PasscodeEntry" android:theme="@style/CustomDialogTheme" android:windowSoftInputMode="stateAlwaysHidden" android:screenOrientation="portrait"/> <activity android:name=".AccountList" android:theme="@android:style/Theme.Light.NoTitleBar"> </activity> <activity android:name=".AccountEdit" android:theme="@android:style/Theme.Light.NoTitleBar" android:windowSoftInputMode="stateAlwaysHidden"/> <activity android:name=".UserSettingsEdit" android:theme="@android:style/Theme.Light.NoTitleBar" android:windowSoftInputMode="stateAlwaysHidden"/> <activity android:name=".CurrencySettingsEdit" android:theme="@android:style/Theme.Light.NoTitleBar" android:windowSoftInputMode="stateAlwaysHidden"/> <activity android:name=".DisplaySettingsEdit" android:theme="@android:style/Theme.Light.NoTitleBar" android:windowSoftInputMode="stateAlwaysHidden"/> <activity android:name=".BackupSettingsEdit" android:theme="@android:style/Theme.Light.NoTitleBar" android:windowSoftInputMode="stateAlwaysHidden"/> <activity android:name=".CategoryList" android:theme="@android:style/Theme.Light.NoTitleBar" /> <activity android:name=".CategoryEdit" android:theme="@android:style/Theme.Light.NoTitleBar" android:windowSoftInputMode="stateAlwaysHidden"/> <activity android:name=".ExpenseByCategory" android:theme="@android:style/Theme.Light.NoTitleBar"/> <activity android:name=".BalanceReport" android:theme="@android:style/Theme.Light.NoTitleBar"/> <activity android:name=".MonthlyExpenseReport" android:theme="@android:style/Theme.Light.NoTitleBar"/> <activity android:name=".MonthlyIncomeReport" android:theme="@android:style/Theme.Light.NoTitleBar"/> <activity android:name=".MonthlyCashflowReport" android:theme="@android:style/Theme.Light.NoTitleBar"/> <activity android:name=".PhotoList" android:theme="@android:style/Theme.Light.NoTitleBar" /> <activity android:name=".ExpenseByPayee" android:theme="@android:style/Theme.Light.NoTitleBar"/> <activity android:name=".ExpenseBySubCategory" android:theme="@android:style/Theme.Light.NoTitleBar"/> <service android:name="StartAlarm_Service"> <intent-filter> <action android:name="com.handyapps.easymoney.StartAlarm_Service" /> </intent-filter> </service> <service android:name=".AlarmService_Service" android:process=":remote" /> <receiver android:name="StartupIntentReceiver"> <intent-filter> <action android:name="android.intent.action.BOOT_COMPLETED" /> <category android:name="android.intent.category.HOME" /> </intent-filter> </receiver> <receiver android:name=".WidgetProvider" android:label="@string/widget_name"> <intent-filter> <action android:name="android.appwidget.action.APPWIDGET_UPDATE" /> </intent-filter> <meta-data android:name="android.appwidget.provider" android:resource="@xml/widget" /> </receiver> <receiver android:name=".WidgetProvider" android:label="@string/widget_name"> <intent-filter> <action android:name="android.appwidget.action.APPWIDGET_UPDATE" /> <data android:scheme="easymoney_widget" /> </intent-filter> <meta-data android:name="android.appwidget.provider" android:resource="@xml/widget" /> </receiver> <receiver android:name=".WidgetProvider"> <intent-filter> <action android:name="com.handyapps.easymoney.WIDGET_CONTROL" /> <data android:scheme="easymoney_widget" /> </intent-filter> </receiver> </application> The main startup class is com.handyapps.easymoney.EasyMoney. I placed a breakpoint at the start of the onCreate() method but I discovered it didn't even reach there. Somehow, the application just couldn't be loaded in Android 2.2... but it works perfectly fine for all the previous Android versions. Been trying to find the cause for the past 2 days but am totally stumped!! Any help will be greatly appreciated!!!! Thanks!! Roland

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• ORA-03113 in code. In addition, TNS-12535 and ORA-03137 in alert file

  - by user1348107

  I've got an exception that contain ORA-03113: (SiPPSS.GetPrintWorkDirectDetail) - ERR:ORA-03113: end-of-file on communication channel Process ID: 7448 Session ID: 30 Serial number: 9802 ?????:12110937 ????:T855 Oracle.DataAccess.Client.OracleException ORA-03113: end-of-file on communication channel Process ID: 7448 Session ID: 30 Serial number: 9802 ?? Oracle.DataAccess.Client.OracleException.HandleErrorHelper(Int32 errCode, OracleConnection conn, IntPtr opsErrCtx, OpoSqlValCtx* pOpoSqlValCtx, Object src, String procedure, Boolean bCheck) ?? Oracle.DataAccess.Client.OracleException.HandleError(Int32 errCode, OracleConnection conn, String procedure, IntPtr opsErrCtx, OpoSqlValCtx* pOpoSqlValCtx, Object src, Boolean bCheck) ?? Oracle.DataAccess.Client.OracleCommand.ExecuteReader(Boolean requery, Boolean fillRequest, CommandBehavior behavior) ?? Oracle.DataAccess.Client.OracleDataAdapter.Fill(DataTable[] dataTables, Int32 startRecord, Int32 maxRecords, IDbCommand command, CommandBehavior behavior) ?? System.Data.Common.DbDataAdapter.Fill(DataTable dataTable) ?? SiPPSS.VSireiMeisaiDsTableAdapters.V_SIREI_MEISAITableAdapter.FillByRunningNoAndProcNo(V_SIREI_MEISAIDataTable dataTable, String RUNNING_NO, String PROC_NO) ?? C:\SVM\trunk\SiPPSSServer\Server\Dao\View\VSireiMeisaiDs.Designer.vb:? 386 ?? SiPPSS.GetPrintWorkDirectDetail.Execute(BLogicParam param) ?? C:\SVM\trunk\SiPPSSServer\Server\BLogic\Screen\Printing\Rprt0701\GetPrintWorkDirectDetail.vb:? 105 In this case, the oracle alert log as beblow: Fatal NI connect error 12170. VERSION INFORMATION: TNS for 64-bit Windows: Version 11.2.0.1.0 - Production Oracle Bequeath NT Protocol Adapter for 64-bit Windows: Version 11.2.0.1.0 - Production Windows NT TCP/IP NT Protocol Adapter for 64-bit Windows: Version 11.2.0.1.0 - Production Time: 01-11?-2012 13:50:45 Tracing not turned on. Tns error struct: ns main err code: 12535 TNS-12535: TNS: ??????·???????? ns secondary err code: 12560 nt main err code: 505 TNS-00505: ??????????? nt secondary err code: 60 nt OS err code: 0 Client address: (ADDRESS=(PROTOCOL=tcp)(HOST=10.41.102.53)(PORT=1794)) Thu Nov 01 13:54:17 2012 Thread 1 cannot allocate new log, sequence 1880 Private strand flush not complete Current log# 1 seq# 1879 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Thread 1 advanced to log sequence 1880 (LGWR switch) Current log# 2 seq# 1880 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO02.LOG Thu Nov 01 13:54:21 2012 Archived Log entry 1118 added for thread 1 sequence 1879 ID 0xe48db805 dest 1: Thu Nov 01 14:40:12 2012 Thread 1 cannot allocate new log, sequence 1881 Private strand flush not complete Current log# 2 seq# 1880 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO02.LOG Thread 1 advanced to log sequence 1881 (LGWR switch) Current log# 3 seq# 1881 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO03.LOG Thu Nov 01 14:40:16 2012 Archived Log entry 1119 added for thread 1 sequence 1880 ID 0xe48db805 dest 1: Thu Nov 01 15:27:42 2012 Thread 1 cannot allocate new log, sequence 1882 Private strand flush not complete Current log# 3 seq# 1881 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO03.LOG Thread 1 advanced to log sequence 1882 (LGWR switch) Current log# 1 seq# 1882 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Thu Nov 01 15:27:46 2012 Archived Log entry 1120 added for thread 1 sequence 1881 ID 0xe48db805 dest 1: Thu Nov 01 16:23:48 2012 Thread 1 cannot allocate new log, sequence 1883 Private strand flush not complete Current log# 1 seq# 1882 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Thread 1 advanced to log sequence 1883 (LGWR switch) Current log# 2 seq# 1883 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO02.LOG Thu Nov 01 16:23:52 2012 Archived Log entry 1121 added for thread 1 sequence 1882 ID 0xe48db805 dest 1: Thu Nov 01 17:05:50 2012 Thread 1 cannot allocate new log, sequence 1884 Private strand flush not complete Current log# 2 seq# 1883 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO02.LOG Thread 1 advanced to log sequence 1884 (LGWR switch) Current log# 3 seq# 1884 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO03.LOG Thu Nov 01 17:05:55 2012 Archived Log entry 1122 added for thread 1 sequence 1883 ID 0xe48db805 dest 1: Thu Nov 01 17:26:52 2012 Fatal NI connect error 12170. VERSION INFORMATION: TNS for 64-bit Windows: Version 11.2.0.1.0 - Production Oracle Bequeath NT Protocol Adapter for 64-bit Windows: Version 11.2.0.1.0 - Production Windows NT TCP/IP NT Protocol Adapter for 64-bit Windows: Version 11.2.0.1.0 - Production Time: 01-11?-2012 17:26:52 Tracing not turned on. Tns error struct: ns main err code: 12535 TNS-12535: TNS: ??????·???????? ns secondary err code: 12560 nt main err code: 505 TNS-00505: ??????????? nt secondary err code: 60 nt OS err code: 0 Client address: (ADDRESS=(PROTOCOL=tcp)(HOST=10.41.102.62)(PORT=1286)) Thu Nov 01 17:27:16 2012 Fatal NI connect error 12170. VERSION INFORMATION: TNS for 64-bit Windows: Version 11.2.0.1.0 - Production Oracle Bequeath NT Protocol Adapter for 64-bit Windows: Version 11.2.0.1.0 - Production Windows NT TCP/IP NT Protocol Adapter for 64-bit Windows: Version 11.2.0.1.0 - Production Time: 01-11?-2012 17:27:16 Tracing not turned on. Tns error struct: ns main err code: 12535 TNS-12535: TNS: ??????·???????? ns secondary err code: 12560 nt main err code: 505 TNS-00505: ??????????? nt secondary err code: 60 nt OS err code: 0 Client address: (ADDRESS=(PROTOCOL=tcp)(HOST=10.41.102.62)(PORT=1285)) Thu Nov 01 18:08:39 2012 Thread 1 advanced to log sequence 1885 (LGWR switch) Current log# 1 seq# 1885 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Thu Nov 01 18:08:40 2012 Archived Log entry 1123 added for thread 1 sequence 1884 ID 0xe48db805 dest 1: Thu Nov 01 19:33:21 2012 Thread 1 cannot allocate new log, sequence 1886 Private strand flush not complete Current log# 1 seq# 1885 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Thread 1 advanced to log sequence 1886 (LGWR switch) Current log# 2 seq# 1886 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO02.LOG Thu Nov 01 19:33:25 2012 Archived Log entry 1124 added for thread 1 sequence 1885 ID 0xe48db805 dest 1: Thu Nov 01 20:32:25 2012 Thread 1 cannot allocate new log, sequence 1887 Private strand flush not complete Current log# 2 seq# 1886 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO02.LOG Thread 1 advanced to log sequence 1887 (LGWR switch) Current log# 3 seq# 1887 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO03.LOG Thu Nov 01 20:32:29 2012 Archived Log entry 1125 added for thread 1 sequence 1886 ID 0xe48db805 dest 1: Thu Nov 01 21:13:07 2012 Thread 1 advanced to log sequence 1888 (LGWR switch) Current log# 1 seq# 1888 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Thu Nov 01 21:13:08 2012 Archived Log entry 1126 added for thread 1 sequence 1887 ID 0xe48db805 dest 1: Thu Nov 01 22:00:00 2012 Setting Resource Manager plan SCHEDULER[0x3006]:DEFAULT_MAINTENANCE_PLAN via scheduler window Setting Resource Manager plan DEFAULT_MAINTENANCE_PLAN via parameter Thu Nov 01 22:00:00 2012 Starting background process VKRM Thu Nov 01 22:00:00 2012 VKRM started with pid=32, OS id=4048 Thu Nov 01 22:00:59 2012 Thread 1 cannot allocate new log, sequence 1889 Private strand flush not complete Current log# 1 seq# 1888 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Thread 1 advanced to log sequence 1889 (LGWR switch) Current log# 2 seq# 1889 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO02.LOG Thu Nov 01 22:01:03 2012 Archived Log entry 1127 added for thread 1 sequence 1888 ID 0xe48db805 dest 1: Thu Nov 01 22:32:36 2012 Thread 1 advanced to log sequence 1890 (LGWR switch) Current log# 3 seq# 1890 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO03.LOG Thu Nov 01 22:32:37 2012 Archived Log entry 1128 added for thread 1 sequence 1889 ID 0xe48db805 dest 1: Thu Nov 01 22:33:18 2012 Errors in file d:\oracle\diag\rdbms\siporex\siporex\trace\siporex_ora_11884.trc (incident=101313): ORA-03137: TTC protocol internal error : [12333] [8] [49] [50] [] [] [] [] Incident details in: d:\oracle\diag\rdbms\siporex\siporex\incident\incdir_101313\siporex_ora_11884_i101313.trc Thu Nov 01 22:33:21 2012 Trace dumping is performing id=[cdmp_20121101223321] Thu Nov 01 22:40:43 2012 Thread 1 cannot allocate new log, sequence 1891 Private strand flush not complete Current log# 3 seq# 1890 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO03.LOG Thread 1 advanced to log sequence 1891 (LGWR switch) Current log# 1 seq# 1891 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Thu Nov 01 22:40:47 2012 Archived Log entry 1129 added for thread 1 sequence 1890 ID 0xe48db805 dest 1: Thu Nov 01 23:47:30 2012 Thread 1 cannot allocate new log, sequence 1892 Private strand flush not complete Current log# 1 seq# 1891 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Thread 1 advanced to log sequence 1892 (LGWR switch) Current log# 2 seq# 1892 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO02.LOG Thu Nov 01 23:47:34 2012 Archived Log entry 1130 added for thread 1 sequence 1891 ID 0xe48db805 dest 1: Fri Nov 02 00:49:31 2012 Thread 1 cannot allocate new log, sequence 1893 Private strand flush not complete Current log# 2 seq# 1892 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO02.LOG Thread 1 advanced to log sequence 1893 (LGWR switch) Current log# 3 seq# 1893 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO03.LOG Fri Nov 02 00:49:35 2012 Archived Log entry 1131 added for thread 1 sequence 1892 ID 0xe48db805 dest 1: Fri Nov 02 01:43:12 2012 Thread 1 cannot allocate new log, sequence 1894 Private strand flush not complete Current log# 3 seq# 1893 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO03.LOG Thread 1 advanced to log sequence 1894 (LGWR switch) Current log# 1 seq# 1894 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Fri Nov 02 01:43:17 2012 Archived Log entry 1132 added for thread 1 sequence 1893 ID 0xe48db805 dest 1: Fri Nov 02 01:52:51 2012 Errors in file d:\oracle\diag\rdbms\siporex\siporex\trace\siporex_ora_6124.trc (incident=101273): ORA-03137: TTC protocol internal error : [12333] [4] [80] [82] [] [] [] [] Incident details in: d:\oracle\diag\rdbms\siporex\siporex\incident\incdir_101273\siporex_ora_6124_i101273.trc Fri Nov 02 01:52:54 2012 Trace dumping is performing id=[cdmp_20121102015254] Fri Nov 02 02:00:00 2012 Clearing Resource Manager plan via parameter Fri Nov 02 02:43:37 2012 Thread 1 cannot allocate new log, sequence 1895 Private strand flush not complete Current log# 1 seq# 1894 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Thread 1 advanced to log sequence 1895 (LGWR switch) Current log# 2 seq# 1895 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO02.LOG Fri Nov 02 02:43:41 2012 Archived Log entry 1133 added for thread 1 sequence 1894 ID 0xe48db805 dest 1: Fri Nov 02 04:46:18 2012 Thread 1 cannot allocate new log, sequence 1896 Private strand flush not complete Current log# 2 seq# 1895 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO02.LOG Thread 1 advanced to log sequence 1896 (LGWR switch) Current log# 3 seq# 1896 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO03.LOG Fri Nov 02 04:46:22 2012 Archived Log entry 1134 added for thread 1 sequence 1895 ID 0xe48db805 dest 1: Fri Nov 02 04:51:41 2012 Errors in file d:\oracle\diag\rdbms\siporex\siporex\trace\siporex_ora_4048.trc (incident=101425): ORA-03137: TTC protocol internal error : [12333] [4] [67] [85] [] [] [] [] Incident details in: d:\oracle\diag\rdbms\siporex\siporex\incident\incdir_101425\siporex_ora_4048_i101425.trc Fri Nov 02 04:51:44 2012 Trace dumping is performing id=[cdmp_20121102045144] Fri Nov 02 05:54:44 2012 Thread 1 cannot allocate new log, sequence 1897 Private strand flush not complete Current log# 3 seq# 1896 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO03.LOG Thread 1 advanced to log sequence 1897 (LGWR switch) Current log# 1 seq# 1897 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Fri Nov 02 05:54:48 2012 Archived Log entry 1135 added for thread 1 sequence 1896 ID 0xe48db805 dest 1: Fri Nov 02 07:00:34 2012 Thread 1 cannot allocate new log, sequence 1898 Private strand flush not complete Current log# 1 seq# 1897 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Thread 1 advanced to log sequence 1898 (LGWR switch) Current log# 2 seq# 1898 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO02.LOG Fri Nov 02 07:00:38 2012 Archived Log entry 1136 added for thread 1 sequence 1897 ID 0xe48db805 dest 1: Fri Nov 02 08:32:41 2012 Thread 1 cannot allocate new log, sequence 1899 Private strand flush not complete Current log# 2 seq# 1898 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO02.LOG Thread 1 advanced to log sequence 1899 (LGWR switch) Current log# 3 seq# 1899 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO03.LOG Fri Nov 02 08:32:45 2012 Archived Log entry 1137 added for thread 1 sequence 1898 ID 0xe48db805 dest 1: Fri Nov 02 09:48:57 2012 Thread 1 advanced to log sequence 1900 (LGWR switch) Current log# 1 seq# 1900 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Fri Nov 02 09:48:58 2012 Archived Log entry 1138 added for thread 1 sequence 1899 ID 0xe48db805 dest 1: Fri Nov 02 10:18:15 2012 Thread 1 cannot allocate new log, sequence 1901 Private strand flush not complete Current log# 1 seq# 1900 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Thread 1 advanced to log sequence 1901 (LGWR switch) Current log# 2 seq# 1901 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO02.LOG Fri Nov 02 10:18:19 2012 Archived Log entry 1139 added for thread 1 sequence 1900 ID 0xe48db805 dest 1: Fri Nov 02 10:22:58 2012 Thread 1 cannot allocate new log, sequence 1902 Private strand flush not complete Current log# 2 seq# 1901 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO02.LOG Thread 1 advanced to log sequence 1902 (LGWR switch) Current log# 3 seq# 1902 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO03.LOG Fri Nov 02 10:23:02 2012 Archived Log entry 1140 added for thread 1 sequence 1901 ID 0xe48db805 dest 1: Fri Nov 02 10:27:38 2012 Thread 1 cannot allocate new log, sequence 1903 Checkpoint not complete Current log# 3 seq# 1902 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO03.LOG Thread 1 cannot allocate new log, sequence 1903 Private strand flush not complete Current log# 3 seq# 1902 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO03.LOG Thread 1 advanced to log sequence 1903 (LGWR switch) Current log# 1 seq# 1903 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Fri Nov 02 10:27:45 2012 Archived Log entry 1141 added for thread 1 sequence 1902 ID 0xe48db805 dest 1: Fri Nov 02 10:32:27 2012 Thread 1 cannot allocate new log, sequence 1904 Checkpoint not complete Current log# 1 seq# 1903 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Thread 1 cannot allocate new log, sequence 1904 Private strand flush not complete Current log# 1 seq# 1903 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO01.LOG Thread 1 advanced to log sequence 1904 (LGWR switch) Current log# 2 seq# 1904 mem# 0: D:\ORACLE\ORADATA\SIPOREX\REDO02.LOG Fri Nov 02 10:32:34 2012 Archived Log entry 1142 added for thread 1 sequence 1903 ID 0xe48db805 dest 1: Fri Nov 02 10:35:42 2012 Errors in file d:\oracle\diag\rdbms\siporex\siporex\trace\siporex_ora_15856.trc (incident=101353): ORA-03137: TTC protocol internal error : [12333] [8] [49] [50] [] [] [] [] Incident details in: d:\oracle\diag\rdbms\siporex\siporex\incident\incdir_101353\siporex_ora_15856_i101353.trc Fri Nov 02 10:35:44 2012 Trace dumping is performing id=[cdmp_20121102103544] I don't know main reason of this issue as well as how to fixing it. Please help me.

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• problem with revalidating a jframe.

  - by John Quesie

  I have this code which should take the radio button input do a little math and display a popup. which it does fine. but then it is supposed to re validate and ask the next question. when i get to the second question, the answer always comes out as the isSelected(true) value no matter which radio button you click on. SO to be clear the first time through it works fin but when the second question comes up, it just takes the default radio button every time. public class EventHandler implements ActionListener { private Main gui; public EventHandler(Main gui){ this.gui = gui; } public void actionPerformed(ActionEvent e){ String answer = ""; double val = 1; //get current answer set String [] anArr = gui.getAnswers(gui.currentStage, gui.currentQuestion); if(e.getSource() == gui.exit){ System.exit(0); } if(e.getSource() == gui.submit){ if(gui.a1.isSelected()){ answer = anArr[0]; val = gui.getScore(1); } if(gui.a2.isSelected()){ answer = anArr[1]; val = gui.getScore(2); } if(gui.a3.isSelected()){ answer = anArr[2]; val = gui.getScore(3); } if(gui.a4.isSelected()){ answer = anArr[3];; val = gui.getScore(4); } JOptionPane.showMessageDialog(null, popupMessage(answer, val), "Your Answer", 1); //compute answer here //figure out what next question is to send gui.moveOn(); gui.setQA(gui.currentStage, gui.currentQuestion); //resets gui gui.goWest(); gui.q.revalidate(); } } public String popupMessage(String ans, double val){ //displays popup after an answer has been choosen gui.computeScore(val); String text = " You Answered " + ans + " Your score is now " + gui.yourScore ; return text; } } public class Main extends JFrame { public JLabel question; public JButton exit; public JButton submit; public JRadioButton a1; public JRadioButton a2; public JRadioButton a3; public JRadioButton a4; public ButtonGroup bg; public double yourScore = 1; public int currentQuestion = 1; public String currentStage = "startup"; JPanel q; public Main(){ setTitle("Ehtics Builder"); setLocation(400,400); setLayout(new BorderLayout(5,5)); setQA("startup", 1); goNorth(); goEast(); goWest(); goSouth(); goCenter(); pack(); setVisible(true); setDefaultCloseOperation(EXIT_ON_CLOSE); } public void goNorth(){ } public void goWest(){ q = new JPanel(); q.setLayout(new GridLayout(0,1)); q.add(question); bg.add(a1); bg.add(a2); bg.add(a3); bg.add(a4); a1.setSelected(true); q.add(a1); q.add(a2); q.add(a3); q.add(a4); add(q, BorderLayout.WEST); System.out.println(); } public void goEast(){ } public void goSouth(){ JPanel p = new JPanel(); p.setLayout(new FlowLayout(FlowLayout.CENTER)); exit = new JButton("Exit"); submit = new JButton("Submit"); p.add(exit); p.add(submit); add(p, BorderLayout.SOUTH); EventHandler myEventHandler = new EventHandler(this); exit.addActionListener(myEventHandler); submit.addActionListener(myEventHandler); } public void goCenter(){ } public static void main(String[] args) { Main open = new Main(); } public String getQuestion(String type, int num){ //reads the questions from a file String question = ""; String filename = ""; String [] ques; num = num - 1; if(type.equals("startup")){ filename = "startup.txt"; }else if(type.equals("small")){ filename = "small.txt"; }else if(type.equals("mid")){ filename = "mid.txt"; }else if(type.equals("large")){ filename = "large.txt"; }else{ question = "error"; return question; } ques = readFile(filename); for(int i = 0;i < ques.length;i++){ if(i == num){ question = ques[i]; } } return question; } public String [] getAnswers(String type, int num){ //reads the answers from a file String filename = ""; String temp = ""; String [] group; String [] ans; num = num - 1; if(type.equals("startup")){ filename = "startupA.txt"; }else if(type.equals("small")){ filename = "smallA.txt"; }else if(type.equals("mid")){ filename = "midA.txt"; }else if(type.equals("large")){ filename = "largeA.txt"; }else{ System.out.println("Error"); } group = readFile(filename); for(int i = 0;i < group.length;i++){ if(i == num){ temp = group[i]; } } ans = temp.split("-"); return ans; } public String [] getValues(String type, int num){ //reads the answers from a file String filename = ""; String temp = ""; String [] group; String [] vals; num = num - 1; if(type.equals("startup")){ filename = "startupV.txt"; }else if(type.equals("small")){ filename = "smallV.txt"; }else if(type.equals("mid")){ filename = "midV.txt"; }else if(type.equals("large")){ filename = "largeV.txt"; }else{ System.out.println("Error"); } group = readFile(filename); for(int i = 0;i < group.length;i++){ if(i == num){ temp = group[i]; } } vals = temp.split("-"); return vals; } public String [] readFile(String filename){ //reads the contentes of a file, for getQuestions and getAnswers String text = ""; int i = -1; FileReader in = null; File f = new File(filename); try{ in = new FileReader(f); }catch(FileNotFoundException e){ System.out.println("file does not exist"); } try{ while((i = in.read()) != -1) text += ((char)i); }catch(IOException e){ System.out.println("Error reading file"); } try{ in.close(); }catch(IOException e){ System.out.println("Error reading file"); } String [] questions = text.split(":"); return questions; } public void computeScore(double val){ //calculates you score times the value of your answer yourScore = val * yourScore; } public double getScore(int aNum){ //gets the score of an answer, stage and q number is already set in the class aNum = aNum - 1; double val = 0; double [] valArr = new double[4]; for(int i = 0;i < getValues(currentStage, currentQuestion).length;i++){ val = Double.parseDouble(getValues(currentStage, currentQuestion)[i]); valArr[i] = val; } if(aNum == 0){ val = valArr[0]; } if(aNum == 1){ val = valArr[1]; } if(aNum == 2){ val = valArr[2]; } if(aNum == 3){ val = valArr[3]; } // use current stage and questiion and trhe aNum to get the value for that answer return val; } public void nextQuestion(int num){ //sets next question to use currentQuestion = num; } public void nextStage(String sta){ // sets next stage to use currentStage = sta; } public void moveOn(){ // uses the score and current question and stage to determine wher to go next and what stage to use next nextQuestion(2); nextStage("startup"); } public void setQA(String level, int num){ String [] arr = getAnswers(level, num); question = new JLabel(getQuestion(level, num)); bg = new ButtonGroup(); a1 = new JRadioButton(arr[0]); a2 = new JRadioButton(arr[1]); a3 = new JRadioButton(arr[2]); a4 = new JRadioButton(arr[3]); } }

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• Android - BroadcastReceiver CONNECTIVITY ACTION

  - by Marc Ortiz

  in my project there's a service that listens for changes in the connectivity. When wifi is switched off to on then it gets called. The problem it's that i'm using a fragment and inside a fragment there's a button with the setonclicklistener(); and onclick(); SOMETIMES when i touch the button then the service receives an intent that the connectivity has changed (the method gets called without any reason...). Here's the code of my fragment activity for the viewpager layout: public static class FragmentSelection extends Fragment { int mNum; static FragmentSelection newInstance(int num) { FragmentSelection f = new FragmentSelection(); // Supply num input as an argument. Bundle args = new Bundle(); args.putInt("num", num); f.setArguments(args); return f; } /** * When creating, retrieve this instance's number from its arguments. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mNum = (getArguments() != null ? getArguments().getInt("num") : 1) + 1; } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { final View v = inflater.inflate(R.layout.fragment_intro_contenido, container, false); Button btStart = (Button) v.findViewById(R.id.btChanged); final CheckBox cbSMS = (CheckBox) v.findViewById(R.id.checkBoxSms); final CheckBox cbCalls = (CheckBox) v .findViewById(R.id.checkBoxLlamadas); final CheckBox cbApps = (CheckBox) v .findViewById(R.id.checkBoxApps); final CheckBox cbPosition = (CheckBox) v .findViewById(R.id.checkBoxPosicion); final CheckBox cbContacts = (CheckBox) v .findViewById(R.id.checkBoxContactos); final CheckBox cbAll = (CheckBox) v.findViewById(R.id.checkBoxAll); cbSMS.setChecked(true); cbCalls.setChecked(true); cbApps.setChecked(true); cbPosition.setChecked(true); cbContacts.setChecked(true); cbAll.setChecked(true); btStart.setOnClickListener(new View.OnClickListener() { public void onClick(View c) { Intent i = new Intent(); i.setClass(v.getContext(), AnonymeActivity.class); if (!cbSMS.isChecked()) { i.putExtra("sms", 0); } else { i.putExtra("sms", 1); } if (!cbCalls.isChecked()) { i.putExtra("calls", 0); } else { i.putExtra("calls", 1); } if (cbContacts.isChecked()) { i.putExtra("contacts", 1); } else { i.putExtra("contacts", 0); } if (cbApps.isChecked()) { i.putExtra("apps", 1); } else { i.putExtra("apps", 0); } if (!cbPosition.isChecked()) { i.putExtra("gps", 0); } else { i.putExtra("gps", 1); } if (!cbAll.isChecked()) { if (cbSMS.isChecked() && cbCalls.isChecked() && cbContacts.isChecked() && cbApps.isChecked() && cbPosition.isChecked()) { i.putExtra("all", 1); } else { i.putExtra("all", 0); } } else { i.putExtra("all", 1); } startActivity(i); } }); return v; } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); } } My BroadcastReceiver class: class Broadcast_Reciver extends BroadcastReceiver implements Variables { CheckConexion cc; @Override public void onReceive(Context contxt, Intent intent) { // Cuando hay un evento, lo diferenciamos y hacemos una acción. if (intent.getAction().equals(SMS_RECEIVED)) { Sms sms = new Sms(null, contxt); sms.uploadNewSms(intent); } else if (intent.getAction().equals(Intent.ACTION_BATTERY_LOW)) { // st.batterylow(contxt); } else if (intent.getAction().equals(Intent.ACTION_POWER_CONNECTED)) { // st.power(1, contxt); } else if (intent.getAction().equals(Intent.ACTION_POWER_DISCONNECTED)) { // st.power(0, contxt); } else if (intent.getAction().equals(Intent.ACTION_CALL_BUTTON)) { // Notify } else if (intent.getAction().equals(Intent.ACTION_CAMERA_BUTTON)) { // Notify } else if (intent.getAction().equals(Intent.ACTION_PACKAGE_ADDED) || intent.getAction().equals(Intent.ACTION_PACKAGE_CHANGED) || intent.getAction().equals(Intent.ACTION_PACKAGE_REMOVED)) { Database db = new Database(contxt); if (db.open().Preferences(4)) { Uri data = intent.getData(); new ListApps(contxt).import_app(intent, contxt, data, intent.getAction()); } db.close(); } else if (intent.getAction().equals( ConnectivityManager.CONNECTIVITY_ACTION)) { cc = new CheckConexion(contxt); if (cc.isOnline()) { Database db = new Database(contxt); if (db.open().move() == 1) { new UploadOffline(contxt); } db.close(); } } } } And the errors: 9-03 23:20:37.887: E/SqliteDatabaseCpp(2715): CREATE TABLE android_metadata failed 09-03 23:20:37.887: E/SQLiteDatabase(2715): Failed to open the database. closing it. 09-03 23:20:37.887: E/SQLiteDatabase(2715): android.database.sqlite.SQLiteDatabaseLockedException: database is locked 09-03 23:20:37.887: E/SQLiteDatabase(2715): at android.database.sqlite.SQLiteDatabase.native_setLocale(Native Method) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at android.database.sqlite.SQLiteDatabase.setLocale_(SQLiteDatabase.java:2211) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at android.database.sqlite.SQLiteDatabase.setLocale(SQLiteDatabase.java:2199) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:1130) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:1081) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:1167) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at android.app.ContextImpl.openOrCreateDatabase(ContextImpl.java:833) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at android.content.ContextWrapper.openOrCreateDatabase(ContextWrapper.java:221) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:157) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at com.background.Database.open(Database.java:127) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at <b><b><b><h3>com.background.Broadcast_Reciver.onReceive(BroadcastService.java:100)</h3> 09-03 23:20:37.887: E/SQLiteDatabase(2715): at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java:728) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at android.os.Handler.handleCallback(Handler.java:605) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at android.os.Handler.dispatchMessage(Handler.java:92) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at android.os.Looper.loop(Looper.java:137) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at android.app.ActivityThread.main(ActivityThread.java:4507) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at java.lang.reflect.Method.invokeNative(Native Method) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at java.lang.reflect.Method.invoke(Method.java:511) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:790) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:557) 09-03 23:20:37.887: E/SQLiteDatabase(2715): at dalvik.system.NativeStart.main(Native Method) 09-03 23:20:37.887: D/AndroidRuntime(2715): Shutting down VM 09-03 23:20:37.887: W/dalvikvm(2715): threadid=1: thread exiting with uncaught exception (group=0x40c3b1f8) 09-03 23:20:37.902: E/AndroidRuntime(2715): FATAL EXCEPTION: main 09-03 23:20:37.902: E/AndroidRuntime(2715): java.lang.RuntimeException: Error receiving broadcast Intent { act=android.net.conn.CONNECTIVITY_CHANGE flg=0x10000010 (has extras) } in com.background.Broadcast_Reciver@415203f8 09-03 23:20:37.902: E/AndroidRuntime(2715): at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java:737) 09-03 23:20:37.902: E/AndroidRuntime(2715): at android.os.Handler.handleCallback(Handler.java:605) 09-03 23:20:37.902: E/AndroidRuntime(2715): at android.os.Handler.dispatchMessage(Handler.java:92) 09-03 23:20:37.902: E/AndroidRuntime(2715): at android.os.Looper.loop(Looper.java:137) 09-03 23:20:37.902: E/AndroidRuntime(2715): at android.app.ActivityThread.main(ActivityThread.java:4507) 09-03 23:20:37.902: E/AndroidRuntime(2715): at java.lang.reflect.Method.invokeNative(Native Method) 09-03 23:20:37.902: E/AndroidRuntime(2715): at java.lang.reflect.Method.invoke(Method.java:511) 09-03 23:20:37.902: E/AndroidRuntime(2715): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:790) 09-03 23:20:37.902: E/AndroidRuntime(2715): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:557) 09-03 23:20:37.902: E/AndroidRuntime(2715): at dalvik.system.NativeStart.main(Native Method) 09-03 23:20:37.902: E/AndroidRuntime(2715): Caused by: android.database.sqlite.SQLiteDatabaseLockedException: database is locked 09-03 23:20:37.902: E/AndroidRuntime(2715): at android.database.sqlite.SQLiteDatabase.native_setLocale(Native Method) 09-03 23:20:37.902: E/AndroidRuntime(2715): at android.database.sqlite.SQLiteDatabase.setLocale_(SQLiteDatabase.java:2211) 09-03 23:20:37.902: E/AndroidRuntime(2715): at android.database.sqlite.SQLiteDatabase.setLocale(SQLiteDatabase.java:2199) 09-03 23:20:37.902: E/AndroidRuntime(2715): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:1130) 09-03 23:20:37.902: E/AndroidRuntime(2715): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:1081) 09-03 23:20:37.902: E/AndroidRuntime(2715): at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:1167) 09-03 23:20:37.902: E/AndroidRuntime(2715): at android.app.ContextImpl.openOrCreateDatabase(ContextImpl.java:833) 09-03 23:20:37.902: E/AndroidRuntime(2715): at android.content.ContextWrapper.openOrCreateDatabase(ContextWrapper.java:221) 09-03 23:20:37.902: E/AndroidRuntime(2715): at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:157) 09-03 23:20:37.902: E/AndroidRuntime(2715): at com.background.Database.open(Database.java:127) 09-03 23:20:37.902: E/AndroidRuntime(2715): at com.background.Broadcast_Reciver.onReceive(BroadcastService.java:100) 09-03 23:20:37.902: E/AndroidRuntime(2715): at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java:728) 09-03 23:20:37.902: E/AndroidRuntime(2715): ... 9 more Checkout that the program goes into BroadcastReceiver class and i don't understand why!

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• undefined reference to function, despite giving reference in c

  - by Jamie Edwards

  I'm following a tutorial, but when it comes to compiling and linking the code I get the following error: /tmp/cc8gRrVZ.o: In function `main': main.c:(.text+0xa): undefined reference to `monitor_clear' main.c:(.text+0x16): undefined reference to `monitor_write' collect2: ld returned 1 exit status make: *** [obj/main.o] Error 1 What that is telling me is that I haven't defined both 'monitor_clear' and 'monitor_write'. But I have, in both the header and source files. They are as follows: monitor.c: // monitor.c -- Defines functions for writing to the monitor. // heavily based on Bran's kernel development tutorials, // but rewritten for JamesM's kernel tutorials. #include "monitor.h" // The VGA framebuffer starts at 0xB8000. u16int *video_memory = (u16int *)0xB8000; // Stores the cursor position. u8int cursor_x = 0; u8int cursor_y = 0; // Updates the hardware cursor. static void move_cursor() { // The screen is 80 characters wide... u16int cursorLocation = cursor_y * 80 + cursor_x; outb(0x3D4, 14); // Tell the VGA board we are setting the high cursor byte. outb(0x3D5, cursorLocation >> 8); // Send the high cursor byte. outb(0x3D4, 15); // Tell the VGA board we are setting the low cursor byte. outb(0x3D5, cursorLocation); // Send the low cursor byte. } // Scrolls the text on the screen up by one line. static void scroll() { // Get a space character with the default colour attributes. u8int attributeByte = (0 /*black*/ << 4) | (15 /*white*/ & 0x0F); u16int blank = 0x20 /* space */ | (attributeByte << 8); // Row 25 is the end, this means we need to scroll up if(cursor_y >= 25) { // Move the current text chunk that makes up the screen // back in the buffer by a line int i; for (i = 0*80; i < 24*80; i++) { video_memory[i] = video_memory[i+80]; } // The last line should now be blank. Do this by writing // 80 spaces to it. for (i = 24*80; i < 25*80; i++) { video_memory[i] = blank; } // The cursor should now be on the last line. cursor_y = 24; } } // Writes a single character out to the screen. void monitor_put(char c) { // The background colour is black (0), the foreground is white (15). u8int backColour = 0; u8int foreColour = 15; // The attribute byte is made up of two nibbles - the lower being the // foreground colour, and the upper the background colour. u8int attributeByte = (backColour << 4) | (foreColour & 0x0F); // The attribute byte is the top 8 bits of the word we have to send to the // VGA board. u16int attribute = attributeByte << 8; u16int *location; // Handle a backspace, by moving the cursor back one space if (c == 0x08 && cursor_x) { cursor_x--; } // Handle a tab by increasing the cursor's X, but only to a point // where it is divisible by 8. else if (c == 0x09) { cursor_x = (cursor_x+8) & ~(8-1); } // Handle carriage return else if (c == '\r') { cursor_x = 0; } // Handle newline by moving cursor back to left and increasing the row else if (c == '\n') { cursor_x = 0; cursor_y++; } // Handle any other printable character. else if(c >= ' ') { location = video_memory + (cursor_y*80 + cursor_x); *location = c | attribute; cursor_x++; } // Check if we need to insert a new line because we have reached the end // of the screen. if (cursor_x >= 80) { cursor_x = 0; cursor_y ++; } // Scroll the screen if needed. scroll(); // Move the hardware cursor. move_cursor(); } // Clears the screen, by copying lots of spaces to the framebuffer. void monitor_clear() { // Make an attribute byte for the default colours u8int attributeByte = (0 /*black*/ << 4) | (15 /*white*/ & 0x0F); u16int blank = 0x20 /* space */ | (attributeByte << 8); int i; for (i = 0; i < 80*25; i++) { video_memory[i] = blank; } // Move the hardware cursor back to the start. cursor_x = 0; cursor_y = 0; move_cursor(); } // Outputs a null-terminated ASCII string to the monitor. void monitor_write(char *c) { int i = 0; while (c[i]) { monitor_put(c[i++]); } } void monitor_write_hex(u32int n) { s32int tmp; monitor_write("0x"); char noZeroes = 1; int i; for (i = 28; i > 0; i -= 4) { tmp = (n >> i) & 0xF; if (tmp == 0 && noZeroes != 0) { continue; } if (tmp >= 0xA) { noZeroes = 0; monitor_put (tmp-0xA+'a' ); } else { noZeroes = 0; monitor_put( tmp+'0' ); } } tmp = n & 0xF; if (tmp >= 0xA) { monitor_put (tmp-0xA+'a'); } else { monitor_put (tmp+'0'); } } void monitor_write_dec(u32int n) { if (n == 0) { monitor_put('0'); return; } s32int acc = n; char c[32]; int i = 0; while (acc > 0) { c[i] = '0' + acc%10; acc /= 10; i++; } c[i] = 0; char c2[32]; c2[i--] = 0; int j = 0; while(i >= 0) { c2[i--] = c[j++]; } monitor_write(c2); } monitor.h: // monitor.h -- Defines the interface for monitor.h // From JamesM's kernel development tutorials. #ifndef MONITOR_H #define MONITOR_H #include "common.h" // Write a single character out to the screen. void monitor_put(char c); // Clear the screen to all black. void monitor_clear(); // Output a null-terminated ASCII string to the monitor. void monitor_write(char *c); #endif // MONITOR_H common.c: // common.c -- Defines some global functions. // From JamesM's kernel development tutorials. #include "common.h" // Write a byte out to the specified port. void outb ( u16int port, u8int value ) { asm volatile ( "outb %1, %0" : : "dN" ( port ), "a" ( value ) ); } u8int inb ( u16int port ) { u8int ret; asm volatile ( "inb %1, %0" : "=a" ( ret ) : "dN" ( port ) ); return ret; } u16int inw ( u16int port ) { u16int ret; asm volatile ( "inw %1, %0" : "=a" ( ret ) : "dN" ( port ) ); return ret; } // Copy len bytes from src to dest. void memcpy(u8int *dest, const u8int *src, u32int len) { const u8int *sp = ( const u8int * ) src; u8int *dp = ( u8int * ) dest; for ( ; len != 0; len-- ) *dp++ =*sp++; } // Write len copies of val into dest. void memset(u8int *dest, u8int val, u32int len) { u8int *temp = ( u8int * ) dest; for ( ; len != 0; len-- ) *temp++ = val; } // Compare two strings. Should return -1 if // str1 < str2, 0 if they are equal or 1 otherwise. int strcmp(char *str1, char *str2) { int i = 0; int failed = 0; while ( str1[i] != '\0' && str2[i] != '\0' ) { if ( str1[i] != str2[i] ) { failed = 1; break; } i++; } // Why did the loop exit? if ( ( str1[i] == '\0' && str2[i] != '\0' || (str1[i] != '\0' && str2[i] =='\0' ) ) failed =1; return failed; } // Copy the NULL-terminated string src into dest, and // return dest. char *strcpy(char *dest, const char *src) { do { *dest++ = *src++; } while ( *src != 0 ); } // Concatenate the NULL-terminated string src onto // the end of dest, and return dest. char *strcat(char *dest, const char *src) { while ( *dest != 0 ) { *dest = *dest++; } do { *dest++ = *src++; } while ( *src != 0 ); return dest; } common.h: // common.h -- Defines typedefs and some global functions. // From JamesM's kernel development tutorials. #ifndef COMMON_H #define COMMON_H // Some nice typedefs, to standardise sizes across platforms. // These typedefs are written for 32-bit x86. typedef unsigned int u32int; typedef int s32int; typedef unsigned short u16int; typedef short s16int; typedef unsigned char u8int; typedef char s8int; void outb ( u16int port, u8int value ); u8int inb ( u16int port ); u16int inw ( u16int port ); #endif //COMMON_H main.c: // main.c -- Defines the C-code kernel entry point, calls initialisation routines. // Made for JamesM's tutorials <www.jamesmolloy.co.uk> #include "monitor.h" int main(struct multiboot *mboot_ptr) { monitor_clear(); monitor_write ( "hello, world!" ); return 0; } here is my makefile: C_SOURCES= main.c monitor.c common.c S_SOURCES= boot.s C_OBJECTS=$(patsubst %.c, obj/%.o, $(C_SOURCES)) S_OBJECTS=$(patsubst %.s, obj/%.o, $(S_SOURCES)) CFLAGS=-nostdlib -nostdinc -fno-builtin -fno-stack-protector -m32 -Iheaders LDFLAGS=-Tlink.ld -melf_i386 --oformat=elf32-i386 ASFLAGS=-felf all: kern/kernel .PHONY: clean clean: -rm -f kern/kernel kern/kernel: $(S_OBJECTS) $(C_OBJECTS) ld $(LDFLAGS) -o $@ $^ $(C_OBJECTS): obj/%.o : %.c gcc $(CFLAGS) $< -o $@ vpath %.c source $(S_OBJECTS): obj/%.o : %.s nasm $(ASFLAGS) $< -o $@ vpath %.s asem Hopefully this will help you understand what is going wrong and how to fix it :L Thanks in advance. Jamie.

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• org.apache.http.conn.HttpHostConnectException:Connection to http://172.20.38.143 refused

  - by Passion

  I have developed client server Application .I am accessing mysql with php running on my machine and client running on my cell which is connected to machine.WI-FI is also switched ON. Internet Permission are also added in Manifest file but then also the i encounter error 172.20.38.143 is IP OF MY MACHINE 06-01 13:20:10.391: W/System.err(11157): org.apache.http.conn.HttpHostConnectException: Connection to http://172.20.38.143 refused 06-01 13:20:10.401: W/System.err(11157): at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:183) 06-01 13:20:10.401: W/System.err(11157): at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164) 06-01 13:20:10.401: W/System.err(11157): at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119) 06-01 13:20:10.401: W/System.err(11157): at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:360) 06-01 13:20:10.401: W/System.err(11157): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:674) 06-01 13:20:10.401: W/System.err(11157): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:511) 06-01 13:20:10.401: W/System.err(11157): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:489) 06-01 13:20:10.401: W/System.err(11157): at nineandroid.net.example.library.JSONParser.getJSONFromUrl(JSONParser.java:42) 06-01 13:20:10.401: W/System.err(11157): at nineandroid.net.example.library.UserFunctions.registerUser(UserFunctions.java:59) 06-01 13:20:10.401: W/System.err(11157): at nineandroid.net.example.RegisterActivity$1.onClick(RegisterActivity.java:52) 06-01 13:20:10.411: W/System.err(11157): at android.view.View.performClick(View.java:3567) 06-01 13:20:10.411: W/System.err(11157): at android.view.View$PerformClick.run(View.java:14224) 06-01 13:20:10.411: W/System.err(11157): at android.os.Handler.handleCallback(Handler.java:605) 06-01 13:20:10.411: W/System.err(11157): at android.os.Handler.dispatchMessage(Handler.java:92) 06-01 13:20:10.411: W/System.err(11157): at android.os.Looper.loop(Looper.java:137) 06-01 13:20:10.411: W/System.err(11157): at android.app.ActivityThread.main(ActivityThread.java:4517) 06-01 13:20:10.411: W/System.err(11157): at java.lang.reflect.Method.invokeNative(Native Method) 06-01 13:20:10.411: W/System.err(11157): at java.lang.reflect.Method.invoke(Method.java:511) 06-01 13:20:10.411: W/System.err(11157): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:993) 06-01 13:20:10.421: W/System.err(11157): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:760) 06-01 13:20:10.421: W/System.err(11157): at dalvik.system.NativeStart.main(Native Method) 06-01 13:20:10.421: W/System.err(11157): Caused by: java.net.ConnectException: failed to connect to /172.20.38.143 (port 80): connect failed: ENETUNREACH (Network is unreachable) 06-01 13:20:10.431: W/System.err(11157): at libcore.io.IoBridge.connect(IoBridge.java:114) 06-01 13:20:10.431: W/System.err(11157): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:192) 06-01 13:20:10.431: W/System.err(11157): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:459) 06-01 13:20:10.431: W/System.err(11157): at java.net.Socket.connect(Socket.java:848) 06-01 13:20:10.431: W/System.err(11157): at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:119) 06-01 13:20:10.431: W/System.err(11157): at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:144) 06-01 13:20:10.431: W/System.err(11157): ... 20 more 06-01 13:20:10.431: W/System.err(11157): Caused by: libcore.io.ErrnoException: connect failed: ENETUNREACH (Network is unreachable) 06-01 13:20:10.441: W/System.err(11157): at libcore.io.Posix.connect(Native Method) 06-01 13:20:10.441: W/System.err(11157): at libcore.io.BlockGuardOs.connect(BlockGuardOs.java:85) 06-01 13:20:10.441: W/System.err(11157): at libcore.io.IoBridge.connectErrno(IoBridge.java:127) 06-01 13:20:10.441: W/System.err(11157): at libcore.io.IoBridge.connect(IoBridge.java:112) 06-01 13:20:10.441: W/System.err(11157): ... 25 more 06-01 13:20:10.441: E/Buffer Error(11157): Error converting result java.lang.NullPointerException 06-01 13:20:10.451: E/JSON Parser(11157): Error parsing data org.json.JSONException: End of input at character 0 of 06-01 13:20:10.451: D/AndroidRuntime(11157): Shutting down VM 06-01 13:20:10.451: W/dalvikvm(11157): threadid=1: thread exiting with uncaught exception (group=0x40c0aa68) 06-01 13:20:10.451: E/AndroidRuntime(11157): FATAL EXCEPTION: main 06-01 13:20:10.451: E/AndroidRuntime(11157): java.lang.NullPointerException 06-01 13:20:10.451: E/AndroidRuntime(11157): at nineandroid.net.example.RegisterActivity$1.onClick(RegisterActivity.java:56) 06-01 13:20:10.451: E/AndroidRuntime(11157): at android.view.View.performClick(View.java:3567) 06-01 13:20:10.451: E/AndroidRuntime(11157): at android.view.View$PerformClick.run(View.java:14224) 06-01 13:20:10.451: E/AndroidRuntime(11157): at android.os.Handler.handleCallback(Handler.java:605) 06-01 13:20:10.451: E/AndroidRuntime(11157): at android.os.Handler.dispatchMessage(Handler.java:92) 06-01 13:20:10.451: E/AndroidRuntime(11157): at android.os.Looper.loop(Looper.java:137) 06-01 13:20:10.451: E/AndroidRuntime(11157): at android.app.ActivityThread.main(ActivityThread.java:4517) 06-01 13:20:10.451: E/AndroidRuntime(11157): at java.lang.reflect.Method.invokeNative(Native Method) 06-01 13:20:10.451: E/AndroidRuntime(11157): at java.lang.reflect.Method.invoke(Method.java:511) 06-01 13:20:10.451: E/AndroidRuntime(11157): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:993) 06-01 13:20:10.451: E/AndroidRuntime(11157): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:760) 06-01 13:20:10.451: E/AndroidRuntime(11157): at dalvik.system.NativeStart.main(Native Method) UserFunctions.java to call jsonParser public class UserFunctions { private JSONParser jsonParser; private static String loginURL = "http://172.20.38.143/ah_login_api/"; private static String registerURL = "http://172.20.38.143/ah_login_api/"; private static String login_tag = "login"; private static String register_tag = "register"; // constructor public UserFunctions(){ jsonParser = new JSONParser(); } /** * function make Login Request * @param email * @param password * */ public JSONObject loginUser(String email, String password){ // Building Parameters List<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("tag", login_tag)); params.add(new BasicNameValuePair("email", email)); params.add(new BasicNameValuePair("password", password)); JSONObject json = jsonParser.getJSONFromUrl(loginURL, params); // return json // Log.e("JSON", json.toString()); return json; } /** * function make Login Request * @param name * @param email * @param password * */ public JSONObject registerUser(String name, String email, String password){ // Building Parameters List<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("tag", register_tag)); params.add(new BasicNameValuePair("name", name)); params.add(new BasicNameValuePair("email", email)); params.add(new BasicNameValuePair("password", password)); // getting JSON Object JSONObject json = jsonParser.getJSONFromUrl(registerURL, params); // return json return json; } /** * Function get Login status * */ public boolean isUserLoggedIn(Context context){ DatabaseHandler db = new DatabaseHandler(context); int count = db.getRowCount(); if(count > 0){ // user logged in return true; } return false; } /** * Function to logout user * Reset Database * */ public boolean logoutUser(Context context){ DatabaseHandler db = new DatabaseHandler(context); db.resetTables(); return true; } } jsonParser.java public class JSONParser { static InputStream is = null; static JSONObject jObj = null; static String json = ""; // constructor public JSONParser() { } public JSONObject getJSONFromUrl(String url, List<NameValuePair> params) { // Making HTTP request try { // defaultHttpClient DefaultHttpClient httpClient = new DefaultHttpClient(); HttpPost httpPost = new HttpPost(url); httpPost.setEntity(new UrlEncodedFormEntity(params)); HttpResponse httpResponse = httpClient.execute(httpPost); HttpEntity httpEntity = httpResponse.getEntity(); is = httpEntity.getContent(); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (ClientProtocolException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } try { BufferedReader reader = new BufferedReader(new InputStreamReader( is, "iso-8859-1"), 8); StringBuilder sb = new StringBuilder(); String line = null; while ((line = reader.readLine()) != null) { sb.append(line + "\n"); } is.close(); json = sb.toString(); Log.e("JSON", json); } catch (Exception e) { Log.e("Buffer Error", "Error converting result " + e.toString()); } // try parse the string to a JSON object try { jObj = new JSONObject(json); } catch (JSONException e) { Log.e("JSON Parser", "Error parsing data " + e.toString()); } // return JSON String return jObj; } } RegisterActivity.java public class RegisterActivity extends Activity { Button btnRegister; Button btnLinkToLogin; EditText inputFullName; EditText inputEmail; EditText inputPassword; TextView registerErrorMsg; // JSON Response node names private static String KEY_SUCCESS = "success"; private static String KEY_UID = "uid"; private static String KEY_NAME = "name"; private static String KEY_EMAIL = "email"; private static String KEY_CREATED_AT = "created_at"; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.register); // Importing all assets like buttons, text fields inputFullName = (EditText) findViewById(R.id.registerName); inputEmail = (EditText) findViewById(R.id.registerEmail); inputPassword = (EditText) findViewById(R.id.registerPassword); btnRegister = (Button) findViewById(R.id.btnRegister); btnLinkToLogin = (Button) findViewById(R.id.btnLinkToLoginScreen); registerErrorMsg = (TextView) findViewById(R.id.register_error); // Register Button Click event btnRegister.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { String name = inputFullName.getText().toString(); String email = inputEmail.getText().toString(); String password = inputPassword.getText().toString(); UserFunctions userFunction = new UserFunctions(); JSONObject json = userFunction.registerUser(name, email, password); // check for login response try { if (json.getString(KEY_SUCCESS) != null) { registerErrorMsg.setText(""); String res = json.getString(KEY_SUCCESS); if(Integer.parseInt(res) == 1){ // user successfully registred // Store user details in SQLite Database DatabaseHandler db = new DatabaseHandler(getApplicationContext()); JSONObject json_user = json.getJSONObject("user"); // Clear all previous data in database userFunction.logoutUser(getApplicationContext()); db.addUser(json_user.getString(KEY_NAME), json_user.getString(KEY_EMAIL), json.getString(KEY_UID), json_user.getString(KEY_CREATED_AT)); // Launch Dashboard Screen Intent dashboard = new Intent(getApplicationContext(), DashboardActivity.class); // Close all views before launching Dashboard dashboard.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); startActivity(dashboard); // Close Registration Screen finish(); }else{ // Error in registration registerErrorMsg.setText("Error occured in registration"); } } } catch (JSONException e) { e.printStackTrace(); } } }); // Link to Login Screen btnLinkToLogin.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { Intent i = new Intent(getApplicationContext(), LoginActivity.class); startActivity(i); // Close Registration View finish(); } }); } }

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• o write a C++ program to encrypt and decrypt certain codes.

  - by Amber

  Step 1: Write a function int GetText(char[],int); which fills a character array from a requested file. That is, the function should prompt the user to input the filename, and then read up to the number of characters given as the second argument, terminating when the number has been reached or when the end of file is encountered. The file should then be closed. The number of characters placed in the array is then returned as the value of the function. Every character in the file should be transferred to the array. Whitespace should not be removed. When testing, assume that no more than 5000 characters will be read. The function should be placed in a file called coding.cpp while the main will be in ass5.cpp. To enable the prototypes to be accessible, the file coding.h contains the prototypes for all the functions that are to be written in coding.cpp for this assignment. (You may write other functions. If they are called from any of the functions in coding.h, they must appear in coding.cpp where their prototypes should also appear. Do not alter coding.h. Any other functions written for this assignment should be placed, along with their prototypes, with the main function.) Step 2: Write a function int SimplifyText(char[],int); which simplifies the text in the first argument, an array containing the number of characters as given in the second argument, by converting all alphabetic characters to lower case, removing all non-alpha characters, and replacing multiple whitespace by one blank. Any leading whitespace at the beginning of the array should be removed completely. The resulting number of characters should be returned as the value of the function. Note that another array cannot appear in the function (as the file does not contain one). For example, if the array contained the 29 characters "The 39 Steps" by John Buchan (with the " appearing in the array), the simplified text would be the steps by john buchan of length 24. The array should not contain a null character at the end. Step 3: Using the file test.txt, test your program so far. You will need to write a function void PrintText(const char[],int,int); that prints out the contents of the array, whose length is the second argument, breaking the lines to exactly the number of characters in the third argument. Be warned that, if the array contains newlines (as it would when read from a file), lines will be broken earlier than the specified length. Step 4: Write a function void Caesar(const char[],int,char[],int); which takes the first argument array, with length given by the second argument and codes it into the third argument array, using the shift given in the fourth argument. The shift must be performed cyclicly and must also be able to handle negative shifts. Shifts exceeding 26 can be reduced by modulo arithmetic. (Is C++'s modulo operations on negative numbers a problem here?) Demonstrate that the test file, as simplified, can be coded and decoded using a given shift by listing the original input text, the simplified text (indicating the new length), the coded text and finally the decoded text. Step 5: The permutation cypher does not limit the character substitution to just a shift. In fact, each of the 26 characters is coded to one of the others in an arbitrary way. So, for example, a might become f, b become q, c become d, but a letter never remains the same. How the letters are rearranged can be specified using a seed to the random number generator. The code can then be decoded, if the decoder has the same random number generator and knows the seed. Write the function void Permute(const char[],int,char[],unsigned long); with the same first three arguments as Caesar above, with the fourth argument being the seed. The function will have to make up a permutation table as follows: To find what a is coded as, generate a random number from 1 to 25. Add that to a to get the coded letter. Mark that letter as used. For b, generate 1 to 24, then step that many letters after b, ignoring the used letter if encountered. For c, generate 1 to 23, ignoring a or b's codes if encountered. Wrap around at z. Here's an example, for only the 6 letters a, b, c, d, e, f. For the letter a, generate, from 1-5, a 2. Then a - c. c is marked as used. For the letter b, generate, from 1-4, a 3. So count 3 from b, skipping c (since it is marked as used) yielding the coding of b - f. Mark f as used. For c, generate, from 1-3, a 3. So count 3 from c, skipping f, giving a. Note the wrap at the last letter back to the first. And so on, yielding a - c b - f c - a d - b (it got a 2) e - d f - e Thus, for a given seed, a translation table is required. To decode a piece of text, we need the table generated to be re-arranged so that the right hand column is in order. In fact you can just store the table in the reverse way (e.g., if a gets encoded to c, put a opposite c is the table). Write a function called void DePermute(const char[],int,char[], unsigned long); to reverse the permutation cypher. Again, test your functions using the test file. At this point, any main program used to test these functions will not be required as part of the assignment. The remainder of the assignment uses some of these functions, and needs its own main function. When submitted, all the above functions will be tested by the marker's own main function. Step 6: If the seed number is unknown, decoding is difficult. Write a main program which: (i) reads in a piece of text using GetText; (ii) simplifies the text using SimplifyText; (iii) prints the text using PrintText; (iv) requests two letters to swap. If we think 'a' in the text should be 'q' we would type aq as input. The text would be modified by swapping the a's and q's, and the text reprinted. Repeat this last step until the user considers the text is decoded, when the input of the same letter twice (requesting a letter to be swapped with itself) terminates the program. Step 7: If we have a large enough sample of coded text, we can use knowledge of English to aid in finding the permutation. The first clue is in the frequency of occurrence of each letter. Write a function void LetterFreq(const char[],int,freq[]); which takes the piece of text given as the first two arguments (same as above) and returns in the 26 long array of structs (the third argument), the table of the frequency of the 26 letters. This frequency table should be in decreasing order of popularity. A simple Selection Sort will suffice. (This will be described in lectures.) When printed, this summary would look something like v x r s z j p t n c l h u o i b w d g e a q y k f m 168106 68 66 59 54 48 45 44 35 26 24 22 20 20 20 17 13 12 12 4 4 1 0 0 0 The formatting will require the use of input/output manipulators. See the header file for the definition of the struct called freq. Modify the program so that, before each swap is requested, the current frequency of the letters is printed. This does not require further calls to LetterFreq, however. You may use the traditional order of regular letter frequencies (E T A I O N S H R D L U) as a guide when deciding what characters to exchange. Step 8: The decoding process can be made more difficult if blank is also coded. That is, consider the alphabet to be 27 letters. Rewrite LetterFreq and your main program to handle blank as another character to code. In the above frequency order, space usually comes first.

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• Write a C++ program to encrypt and decrypt certain codes.

  - by Amber

  Step 1: Write a function int GetText(char[],int); which fills a character array from a requested file. That is, the function should prompt the user to input the filename, and then read up to the number of characters given as the second argument, terminating when the number has been reached or when the end of file is encountered. The file should then be closed. The number of characters placed in the array is then returned as the value of the function. Every character in the file should be transferred to the array. Whitespace should not be removed. When testing, assume that no more than 5000 characters will be read. The function should be placed in a file called coding.cpp while the main will be in ass5.cpp. To enable the prototypes to be accessible, the file coding.h contains the prototypes for all the functions that are to be written in coding.cpp for this assignment. (You may write other functions. If they are called from any of the functions in coding.h, they must appear in coding.cpp where their prototypes should also appear. Do not alter coding.h. Any other functions written for this assignment should be placed, along with their prototypes, with the main function.) Step 2: Write a function int SimplifyText(char[],int); which simplifies the text in the first argument, an array containing the number of characters as given in the second argument, by converting all alphabetic characters to lower case, removing all non-alpha characters, and replacing multiple whitespace by one blank. Any leading whitespace at the beginning of the array should be removed completely. The resulting number of characters should be returned as the value of the function. Note that another array cannot appear in the function (as the file does not contain one). For example, if the array contained the 29 characters "The 39 Steps" by John Buchan (with the " appearing in the array), the simplified text would be the steps by john buchan of length 24. The array should not contain a null character at the end. Step 3: Using the file test.txt, test your program so far. You will need to write a function void PrintText(const char[],int,int); that prints out the contents of the array, whose length is the second argument, breaking the lines to exactly the number of characters in the third argument. Be warned that, if the array contains newlines (as it would when read from a file), lines will be broken earlier than the specified length. Step 4: Write a function void Caesar(const char[],int,char[],int); which takes the first argument array, with length given by the second argument and codes it into the third argument array, using the shift given in the fourth argument. The shift must be performed cyclicly and must also be able to handle negative shifts. Shifts exceeding 26 can be reduced by modulo arithmetic. (Is C++'s modulo operations on negative numbers a problem here?) Demonstrate that the test file, as simplified, can be coded and decoded using a given shift by listing the original input text, the simplified text (indicating the new length), the coded text and finally the decoded text. Step 5: The permutation cypher does not limit the character substitution to just a shift. In fact, each of the 26 characters is coded to one of the others in an arbitrary way. So, for example, a might become f, b become q, c become d, but a letter never remains the same. How the letters are rearranged can be specified using a seed to the random number generator. The code can then be decoded, if the decoder has the same random number generator and knows the seed. Write the function void Permute(const char[],int,char[],unsigned long); with the same first three arguments as Caesar above, with the fourth argument being the seed. The function will have to make up a permutation table as follows: To find what a is coded as, generate a random number from 1 to 25. Add that to a to get the coded letter. Mark that letter as used. For b, generate 1 to 24, then step that many letters after b, ignoring the used letter if encountered. For c, generate 1 to 23, ignoring a or b's codes if encountered. Wrap around at z. Here's an example, for only the 6 letters a, b, c, d, e, f. For the letter a, generate, from 1-5, a 2. Then a - c. c is marked as used. For the letter b, generate, from 1-4, a 3. So count 3 from b, skipping c (since it is marked as used) yielding the coding of b - f. Mark f as used. For c, generate, from 1-3, a 3. So count 3 from c, skipping f, giving a. Note the wrap at the last letter back to the first. And so on, yielding a - c b - f c - a d - b (it got a 2) e - d f - e Thus, for a given seed, a translation table is required. To decode a piece of text, we need the table generated to be re-arranged so that the right hand column is in order. In fact you can just store the table in the reverse way (e.g., if a gets encoded to c, put a opposite c is the table). Write a function called void DePermute(const char[],int,char[], unsigned long); to reverse the permutation cypher. Again, test your functions using the test file. At this point, any main program used to test these functions will not be required as part of the assignment. The remainder of the assignment uses some of these functions, and needs its own main function. When submitted, all the above functions will be tested by the marker's own main function. Step 6: If the seed number is unknown, decoding is difficult. Write a main program which: (i) reads in a piece of text using GetText; (ii) simplifies the text using SimplifyText; (iii) prints the text using PrintText; (iv) requests two letters to swap. If we think 'a' in the text should be 'q' we would type aq as input. The text would be modified by swapping the a's and q's, and the text reprinted. Repeat this last step until the user considers the text is decoded, when the input of the same letter twice (requesting a letter to be swapped with itself) terminates the program. Step 7: If we have a large enough sample of coded text, we can use knowledge of English to aid in finding the permutation. The first clue is in the frequency of occurrence of each letter. Write a function void LetterFreq(const char[],int,freq[]); which takes the piece of text given as the first two arguments (same as above) and returns in the 26 long array of structs (the third argument), the table of the frequency of the 26 letters. This frequency table should be in decreasing order of popularity. A simple Selection Sort will suffice. (This will be described in lectures.) When printed, this summary would look something like v x r s z j p t n c l h u o i b w d g e a q y k f m 168106 68 66 59 54 48 45 44 35 26 24 22 20 20 20 17 13 12 12 4 4 1 0 0 0 The formatting will require the use of input/output manipulators. See the header file for the definition of the struct called freq. Modify the program so that, before each swap is requested, the current frequency of the letters is printed. This does not require further calls to LetterFreq, however. You may use the traditional order of regular letter frequencies (E T A I O N S H R D L U) as a guide when deciding what characters to exchange. Step 8: The decoding process can be made more difficult if blank is also coded. That is, consider the alphabet to be 27 letters. Rewrite LetterFreq and your main program to handle blank as another character to code. In the above frequency order, space usually comes first.

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• Process is killed without a (obvious) reason and program stops working

  - by Krzysiek Gurniak

  Here's what my program is supposed to do: create 4 child processes: process 0 is reading 1 byte at a time from STDIN, then writing it into FIFO process 1 is reading this 1 byte from fifo and write its value as HEX into shared memory process 2 is reading HEX value from shared memory and writing it into pipe finally process 3 is reading from pipe and writing into STDOUT (in my case: terminal) I can't change communication channels. FIFO, then shared memory, then pipes are the only option. My problem: Program stops at random moments when some file is directed into stdin (for example:./program < /dev/urandom). Sometimes after writing 5 HEX values, sometimes after 100. Weird thing is that when it is working and in another terminal I write "pstree -c" there is 1 main process with 4 children processes (which is what I want), but when I write "pstree -c" after it stopped writing (but still runs) there are only 3 child processes. For some reason 1 is gone even though they all have while(1) in them.. I think I might have problem with synchronization here, but I am unable to spot it (I've tried for many hours). Here's the code: #include <unistd.h> #include <fcntl.h> #include <stdio.h> #include <string.h> #include <stdlib.h> #include <sys/shm.h> #include <sys/sem.h> #include <sys/types.h> #include <sys/wait.h> #include <sys/stat.h> #include <string.h> #include <signal.h> #define BUFSIZE 1 #define R 0 #define W 1 // processes ID pid_t p0, p1, p2, p3; // FIFO variables int fifo_fd; unsigned char bufor[BUFSIZE] = {}; unsigned char bufor1[BUFSIZE] = {}; // Shared memory variables key_t key; int shmid; char * tab; // zmienne do pipes int file_des[2]; char bufor_pipe[BUFSIZE*30] = {}; void proces0() { ssize_t n; while(1) { fifo_fd = open("/tmp/fifo",O_WRONLY); if(fifo_fd == -1) { perror("blad przy otwieraniu kolejki FIFO w p0\n"); exit(1); } n = read(STDIN_FILENO, bufor, BUFSIZE); if(n<0) { perror("read error w p0\n"); exit(1); } if(n > 0) { if(write(fifo_fd, bufor, n) != n) { perror("blad zapisu do kolejki fifo w p0\n"); exit(1); } memset(bufor, 0, n); // czyszczenie bufora } close(fifo_fd); } } void proces1() { ssize_t m, x; char wartosc_hex[30] = {}; while(1) { if(tab[0] == 0) { fifo_fd = open("/tmp/fifo", O_RDONLY); // otwiera plik typu fifo do odczytu if(fifo_fd == -1) { perror("blad przy otwieraniu kolejki FIFO w p1\n"); exit(1); } m = read(fifo_fd, bufor1, BUFSIZE); x = m; if(x < 0) { perror("read error p1\n"); exit(1); } if(x > 0) { // Konwersja na HEX if(bufor1[0] < 16) { if(bufor1[0] == 10) // gdy enter { sprintf(wartosc_hex, "0x0%X\n", bufor1[0]); } else { sprintf(wartosc_hex, "0x0%X ", bufor1[0]); } } else { sprintf(wartosc_hex, "0x%X ", bufor1[0]); } // poczekaj az pamiec bedzie pusta (gotowa do zapisu) strcpy(&tab[0], wartosc_hex); memset(bufor1, 0, sizeof(bufor1)); // czyszczenie bufora memset(wartosc_hex, 0, sizeof(wartosc_hex)); // przygotowanie tablicy na zapis wartosci hex x = 0; } close(fifo_fd); } } } void proces2() { close(file_des[0]); // zablokuj kanal do odczytu while(1) { if(tab[0] != 0) { if(write(file_des[1], tab, strlen(tab)) != strlen(tab)) { perror("blad write w p2"); exit(1); } // wyczysc pamiec dzielona by przyjac kolejny bajt memset(tab, 0, sizeof(tab)); } } } void proces3() { ssize_t n; close(file_des[1]); // zablokuj kanal do zapisu while(1) { if(tab[0] == 0) { if((n = read(file_des[0], bufor_pipe, sizeof(bufor_pipe))) > 0) { if(write(STDOUT_FILENO, bufor_pipe, n) != n) { perror("write error w proces3()"); exit(1); } memset(bufor_pipe, 0, sizeof(bufor_pipe)); } } } } int main(void) { key = 5678; int status; // Tworzenie plikow przechowujacych ID procesow int des_pid[2] = {}; char bufor_proces[50] = {}; mknod("pid0", S_IFREG | 0777, 0); mknod("pid1", S_IFREG | 0777, 0); mknod("pid2", S_IFREG | 0777, 0); mknod("pid3", S_IFREG | 0777, 0); // Tworzenie semaforow key_t klucz; klucz = ftok(".", 'a'); // na podstawie pliku i pojedynczego znaku id wyznacza klucz semafora if(klucz == -1) { perror("blad wyznaczania klucza semafora"); exit(1); } semafor = semget(klucz, 1, IPC_CREAT | 0777); // tworzy na podstawie klucza semafor. 1 - ilosc semaforow if(semafor == -1) { perror("blad przy tworzeniu semafora"); exit(1); } if(semctl(semafor, 0, SETVAL, 0) == -1) // ustawia poczatkowa wartosc semafora (klucz, numer w zbiorze od 0, polecenie, argument 0/1/2) { perror("blad przy ustawianiu wartosci poczatkowej semafora"); exit(1); } // Tworzenie lacza nazwanego FIFO if(access("/tmp/fifo", F_OK) == -1) // sprawdza czy plik istnieje, jesli nie - tworzy go { if(mkfifo("/tmp/fifo", 0777) != 0) { perror("blad tworzenia FIFO w main"); exit(1); } } // Tworzenie pamieci dzielonej // Lista pamieci wspoldzielonych, komenda "ipcs" // usuwanie pamieci wspoldzielonej, komenta "ipcrm -m ID_PAMIECI" shmid = shmget(key, (BUFSIZE*30), 0666 | IPC_CREAT); if(shmid == -1) { perror("shmget"); exit(1); } tab = (char *) shmat(shmid, NULL, 0); if(tab == (char *)(-1)) { perror("shmat"); exit(1); } memset(tab, 0, (BUFSIZE*30)); // Tworzenie lacza nienazwanego pipe if(pipe(file_des) == -1) { perror("pipe"); exit(1); } // Tworzenie procesow potomnych if(!(p0 = fork())) { des_pid[W] = open("pid0", O_WRONLY | O_TRUNC | O_CREAT); // 1 - zapis, 0 - odczyt sprintf(bufor_proces, "Proces0 ma ID: %d\n", getpid()); if(write(des_pid[W], bufor_proces, sizeof(bufor_proces)) != sizeof(bufor_proces)) { perror("blad przy zapisie pid do pliku w p0"); exit(1); } close(des_pid[W]); proces0(); } else if(p0 == -1) { perror("blad przy p0 fork w main"); exit(1); } else { if(!(p1 = fork())) { des_pid[W] = open("pid1", O_WRONLY | O_TRUNC | O_CREAT); // 1 - zapis, 0 - odczyt sprintf(bufor_proces, "Proces1 ma ID: %d\n", getpid()); if(write(des_pid[W], bufor_proces, sizeof(bufor_proces)) != sizeof(bufor_proces)) { perror("blad przy zapisie pid do pliku w p1"); exit(1); } close(des_pid[W]); proces1(); } else if(p1 == -1) { perror("blad przy p1 fork w main"); exit(1); } else { if(!(p2 = fork())) { des_pid[W] = open("pid2", O_WRONLY | O_TRUNC | O_CREAT); // 1 - zapis, 0 - odczyt sprintf(bufor_proces, "Proces2 ma ID: %d\n", getpid()); if(write(des_pid[W], bufor_proces, sizeof(bufor_proces)) != sizeof(bufor_proces)) { perror("blad przy zapisie pid do pliku w p2"); exit(1); } close(des_pid[W]); proces2(); } else if(p2 == -1) { perror("blad przy p2 fork w main"); exit(1); } else { if(!(p3 = fork())) { des_pid[W] = open("pid3", O_WRONLY | O_TRUNC | O_CREAT); // 1 - zapis, 0 - odczyt sprintf(bufor_proces, "Proces3 ma ID: %d\n", getpid()); if(write(des_pid[W], bufor_proces, sizeof(bufor_proces)) != sizeof(bufor_proces)) { perror("blad przy zapisie pid do pliku w p3"); exit(1); } close(des_pid[W]); proces3(); } else if(p3 == -1) { perror("blad przy p3 fork w main"); exit(1); } else { // proces macierzysty waitpid(p0, &status, 0); waitpid(p1, &status, 0); waitpid(p2, &status, 0); waitpid(p3, &status, 0); //wait(NULL); unlink("/tmp/fifo"); shmdt(tab); // odlaczenie pamieci dzielonej shmctl(shmid, IPC_RMID, NULL); // usuwanie pamieci wspoldzielonej printf("\nKONIEC PROGRAMU\n"); } } } } exit(0); }

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• Postfix Send Error: Must Issue STARTTLS command

  - by Mary Elizabeth

  Running Ubuntu 12.04 and trying to configure postfix to relay send and receive through GMAIL. Am running into connection issues particularly with TLS. Have tried a bunch of troubleshooting solutions and have changed my main.cf to address TLS but still receive the below errors. Tried debugging connection issues with: `root@mailservice:/etc/postfix# openssl s_client -connect localhost:587 -starttls smtp` and I recveive these errors `connect: Connection refused' 'connect:errno=111` in my logs I see: Jun 11 13:54:31 mailservice postfix/smtp[3765]: warning: cannot get RSA certificate from file /etc/postfix/cert.pem: disabling TLS support Jun 11 13:54:31 mailservice postfix/smtp[3765]: warning: TLS library problem: 3765:error:0906D06C:PEM routines:PEM_read_bio:no start line:pem_lib.c:696:Expecting: TRUSTED CERTIFICATE: Jun 11 13:54:31 mailservice postfix/smtp[3765]: warning: TLS library problem: 3765:error:140DC009:SSL routines:SSL_CTX_use_certificate_chain_file:PEM lib:ssl_rsa.c:729: Jun 11 13:54:31 mailservice postfix/smtp[3765]: 9986B6846A: to= <[email protected]>, relay=smtp.gmail.com[173.194.77.109]:587, delay=0.15, delays=0.02/0.02/0.09/0.02, dsn=5.7.0, status=bounced (host smtp.gmail.com[173.194.77.109] said: 530 5.7.0 Must issue a STARTTLS command first. hd9sm12170509obc.6 (in reply to MAIL FROM command)) The contents of my main.cf (pertaining to TLS) look like this: #TLS Parameters smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache #TLS Settings smtp_use_tls = yes smtp_tls_security_level = may smtp_tls_loglevel = 1 smtp_enforce_tls = yes smtp_tls_CAfile = /etc/postfix/cacert.pem smtp_tls_cert_file = /etc/postfix/cert.pem smtp_tls_key_file = $smtp_tls_cert_file smtp_tls_session_cache_dataabase = btree:/var/run/smtp_tls_session_cache smtp_tls_note_starttls_offer = yes smtpd_use_tls = yes smtpd_tls_security)level = may smtpd_tls_auth_only = no smtpd_tls_CAfile = /etc/postfix/cacert.pem smtpd_tls_cert_file = /etc/postfix/cert.pem smtpd_tls_key_file = /etc/postfix/key.pem smtpd_tls_received_header = yes smtpd_tls_session_cache_database = btree:/var/run/smtpd_tls_session_cache smtpd_tls_session_cache_timeout = 3600s tls_random_source = dev:/dev/urandom As far as I can tell everything is in order for a proper TLS Connection, and I am unsure what would need to change in main.cf or elsewhere for mail to send.

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• Need help with yum,python and php in CentOS. (I made a complete mess!)

  - by pek

  Hello, a while back I wanted to install some plugins for Trac but it required python 2.5 I tried installing it (I don't remember how) and the only thing I managed was to have two versions of python (2.4 and 2.5). Trac still uses the old version but the console uses 2.5 (python -V = Python 2.5.2). Anyway, the problem is not python, the problem is yum (which uses python). I am trying to upgrade my PHP version from 5.1.x to 5.2.x. I tried following this tutorial but when I reach the step with yum I get this error: [root@XXX]# yum update Loading "installonlyn" plugin Setting up Update Process Setting up repositories Reading repository metadata in from local files Traceback (most recent call last): File "/usr/bin/yum", line 29, in ? yummain.main(sys.argv[1:]) File "/usr/share/yum-cli/yummain.py", line 94, in main result, resultmsgs = base.doCommands() File "/usr/share/yum-cli/cli.py", line 381, in doCommands return self.yum_cli_commands[self.basecmd].doCommand(self, self.basecmd, self.extcmds) File "/usr/share/yum-cli/yumcommands.py", line 150, in doCommand return base.updatePkgs(extcmds) File "/usr/share/yum-cli/cli.py", line 672, in updatePkgs self.doRepoSetup() File "/usr/share/yum-cli/cli.py", line 109, in doRepoSetup self.doSackSetup(thisrepo=thisrepo) File "/usr/lib/python2.4/site-packages/yum/init.py", line 338, in doSackSetup self.repos.populateSack(which=repos) File "/usr/lib/python2.4/site-packages/yum/repos.py", line 200, in populateSack sack.populate(repo, with, callback, cacheonly) File "/usr/lib/python2.4/site-packages/yum/yumRepo.py", line 91, in populate dobj = repo.cacheHandler.getPrimary(xml, csum) File "/usr/lib/python2.4/site-packages/yum/sqlitecache.py", line 100, in getPrimary return self._getbase(location, checksum, 'primary') File "/usr/lib/python2.4/site-packages/yum/sqlitecache.py", line 86, in _getbase (db, dbchecksum) = self.getDatabase(location, metadatatype) File "/usr/lib/python2.4/site-packages/yum/sqlitecache.py", line 82, in getDatabase db = self.makeSqliteCacheFile(filename,cachetype) File "/usr/lib/python2.4/site-packages/yum/sqlitecache.py", line 245, in makeSqliteCacheFile self.createTablesPrimary(db) File "/usr/lib/python2.4/site-packages/yum/sqlitecache.py", line 165, in createTablesPrimary cur.execute(q) File "/usr/lib/python2.4/site-packages/sqlite/main.py", line 244, in execute self.rs = self.con.db.execute(SQL) _sqlite.DatabaseError: near "release": syntax error Any help? Thank you.

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• Use Windows/Mac MySQL GUI over SSH Tunnel

  - by Marcin

  I am working on a client's website and he has hosting through 1and1. They don't allow connecting directly to their mySQL server from anywhere. I can't for instance load up a mySQL GUI on windows and just connect and work on the databases, it says host not found. His hosting account on the other hand is given access to the mySQL server even though it is in a different location. Let's say these are the servers I'm working with: His main hosting: Address: thehost.com Username: joe His mySQL server: Address: mysqlserver.com Port: 3306 Database: thedata User: dbouser The main hosting account he has comes with SSH. So if I SSH into thehost.com on port 22 and then use the mysql command to connect to mysqlserver.com, it works. I have tried to set up SSH tunneling but the problem is that it's not the mySQL server that has SSH allowed, it's the main hosting. How do I set up SSH Tunneling on both a Mac and a Windows machine so that I can run any GUI I want and I will be able to connect to the mysqlserver.com server. All based on the information above that SSH access is to thehost.com only, and thehost.com itself can connect to mysqlserver.com.

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• NSclient++ NRPE issues

  - by Kyle

  I have had NSclient++ working with Nagios for a while now. Recently I started testing Nagwin just to see how it would work, out of pure curiosity. I stopped checking a test server with my main Nagios config, set NSclient++ to NRPE mode, and pointed Nagwin at it. It worked great for a few hours then suddenly I started seeing "UNKNOWN: No Handler for that command." I figured it has to be Nagwin's fault since it's so new, I'll just unload NRPElistner.dll and return my server to being monitored by check_NT. However now check_NT doesn't work my main Nagios server returns timeout errors and is unable to connect at all. My Nagwin server can connect to it, the server just doesn't know how to handle the check_NRPE commands even though it did with no changes a few hours earlier. I have been working on this for a day now and am fairly certain it is NSclient++ who is to blame here. My nagwin box has successfully stayed connected to a similar server throughout the night, without any issues. And my main Nagios config is not having any problems at all. I have been able to successfully switch another server between being monitored by nagios and nagwin without any problems by simply loading and unloading the NRPE.dll. I have tried uninstalling NSclient++ and reinstalling with fresh configuration but still receive the errors. As of now the firewall is off on the server, NSclient++ is setup to accept connection from any server, there is no password, I have also turned ssl off, and the NRPE module is loaded. Any Ideas would be appreciated, I am not an advanced Nagios user but I do know my way around it and can easily break it down and set it up again. I also want to add that while in test mode NSclient++ is unable to handle check_NRPE commands there either.

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• Unable to receive any emails using postfix, dovecot, mysql, and virtual domain/mailboxes

  - by stkdev248

  I have been working on configuring my mail server for the last couple of weeks using postfix, dovecot, and mysql. I have one virtual domain and a few virtual mailboxes. Using squirrelmail I have been able to log into my accounts and send emails out (e.g. I can send to googlemail just fine), however I am not able to receive any emails--not from the outside world nor from within my own network. I am able to telnet in using localhost, my private ip, and my public ip on port 25 without any problems (I've tried it from the server itself and from another computer on my network). This is what I get in my logs when I send an email from my googlemail account to my mail server: mail.log Apr 14 07:36:06 server1 postfix/qmgr[1721]: BE01B520538: from=, size=733, nrcpt=1 (queue active) Apr 14 07:36:06 server1 postfix/pipe[3371]: 78BC0520510: to=, relay=dovecot, delay=45421, delays=45421/0/0/0.13, dsn=4.3.0, status=deferred (temporary failure. Command output: Can't open log file /var/log/mail-dovecot.log: Permission denied) Apr 14 07:36:06 server1 postfix/pipe[3391]: 8261B520534: to=, relay=dovecot, delay=38036, delays=38036/0.06/0/0.12, dsn=4.3.0, status=deferred (temporary failure. Command output: Can't open log file /var/log/mail-dovecot.log: Permission denied ) Apr 14 07:36:06 server1 postfix/pipe[3378]: 63927520532: to=, relay=dovecot, delay=38105, delays=38105/0.02/0/0.17, dsn=4.3.0, status=deferred (temporary failure. Command output: Can't open log file /var/log/mail-dovecot.log: Permission denied ) Apr 14 07:36:06 server1 postfix/pipe[3375]: 07F65520522: to=, relay=dovecot, delay=39467, delays=39467/0.01/0/0.17, dsn=4.3.0, status=deferred (temporary failure. Command output: Can't open log file /var/log/mail-dovecot.log: Permission denied ) Apr 14 07:36:06 server1 postfix/pipe[3381]: EEDE9520527: to=, relay=dovecot, delay=38361, delays=38360/0.04/0/0.15, dsn=4.3.0, status=deferred (temporary failure. Command output: Can't open log file /var/log/mail-dovecot.log: Permission denied ) Apr 14 07:36:06 server1 postfix/pipe[3379]: 67DFF520517: to=, relay=dovecot, delay=40475, delays=40475/0.03/0/0.16, dsn=4.3.0, status=deferred (temporary failure. Command output: Can't open log file /var/log/mail-dovecot.log: Permission denied ) Apr 14 07:36:06 server1 postfix/pipe[3387]: 3C7A052052E: to=, relay=dovecot, delay=38259, delays=38259/0.05/0/0.13, dsn=4.3.0, status=deferred (temporary failure. Command output: Can't open log file /var/log/mail-dovecot.log: Permission denied ) Apr 14 07:36:06 server1 postfix/pipe[3394]: BE01B520538: to=, relay=dovecot, delay=37682, delays=37682/0.07/0/0.11, dsn=4.3.0, status=deferred (temporary failure. Command output: Can't open log file /var/log/mail-dovecot.log: Permission denied ) Apr 14 07:36:07 server1 postfix/pipe[3384]: 3C7A052052E: to=, relay=dovecot, delay=38261, delays=38259/0.04/0/1.3, dsn=4.3.0, status=deferred (temporary failure. Command output: Can't open log file /var/log/mail-dovecot.log: Permission denied ) Apr 14 07:39:23 server1 postfix/anvil[3368]: statistics: max connection rate 1/60s for (smtp:209.85.213.169) at Apr 14 07:35:32 Apr 14 07:39:23 server1 postfix/anvil[3368]: statistics: max connection count 1 for (smtp:209.85.213.169) at Apr 14 07:35:32 Apr 14 07:39:23 server1 postfix/anvil[3368]: statistics: max cache size 1 at Apr 14 07:35:32 Apr 14 07:41:06 server1 postfix/qmgr[1721]: ED6005203B7: from=, size=1463, nrcpt=1 (queue active) Apr 14 07:41:06 server1 postfix/pipe[4594]: ED6005203B7: to=, relay=dovecot, delay=334, delays=334/0.01/0/0.13, dsn=4.3.0, status=deferred (temporary failure. Command output: Can't open log file /var/log/mail-dovecot.log: Permission denied ) Apr 14 07:51:06 server1 postfix/qmgr[1721]: ED6005203B7: from=, size=1463, nrcpt=1 (queue active) Apr 14 07:51:06 server1 postfix/pipe[4604]: ED6005203B7: to=, relay=dovecot, delay=933, delays=933/0.02/0/0.12, dsn=4.3.0, status=deferred (temporary failure. Command output: Can't open log file /var/log/mail-dovecot.log: Permission denied ) mail-dovecot-log (the log I set for debugging): Apr 14 07:28:26 auth: Info: mysql(127.0.0.1): Connected to database postfixadmin Apr 14 07:28:26 auth: Debug: sql([email protected],127.0.0.1): query: SELECT password FROM mailbox WHERE username = '[email protected]' Apr 14 07:28:26 auth: Debug: client out: OK 1 [email protected] Apr 14 07:28:26 auth: Debug: master in: REQUEST 1809973249 3356 1 7cfb822db820fc5da67d0776b107cb3f Apr 14 07:28:26 auth: Debug: sql([email protected],127.0.0.1): SELECT '/home/vmail/mydomain.com/some.user1' as home, 5000 AS uid, 5000 AS gid FROM mailbox WHERE username = '[email protected]' Apr 14 07:28:26 auth: Debug: master out: USER 1809973249 [email protected] home=/home/vmail/mydomain.com/some.user1 uid=5000 gid=5000 Apr 14 07:28:26 imap-login: Info: Login: user=, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, mpid=3360, secured Apr 14 07:28:26 imap([email protected]): Debug: Effective uid=5000, gid=5000, home=/home/vmail/mydomain.com/some.user1 Apr 14 07:28:26 imap([email protected]): Debug: maildir++: root=/home/vmail/mydomain.com/some.user1/Maildir, index=/home/vmail/mydomain.com/some.user1/Maildir/indexes, control=, inbox=/home/vmail/mydomain.com/some.user1/Maildir Apr 14 07:48:31 imap([email protected]): Info: Disconnected: Logged out bytes=85/681 From the output above I'm pretty sure that my problems all stem from (temporary failure. Command output: Can't open log file /var/log/mail-dovecot.log: Permission denied ), but I have no idea why I'm getting that error. I've have the permissions to that log set just like the other mail logs: root@server1:~# ls -l /var/log/mail* -rw-r----- 1 syslog adm 196653 2012-04-14 07:58 /var/log/mail-dovecot.log -rw-r----- 1 syslog adm 62778 2012-04-13 21:04 /var/log/mail.err -rw-r----- 1 syslog adm 497767 2012-04-14 08:01 /var/log/mail.log Does anyone have any idea what I may be doing wrong? Here are my main.cf and master.cf files: main.cf: # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key smtpd_use_tls=yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client. myhostname = server1.mydomain.com alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = /etc/mailname mydestination = relayhost = mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 mailbox_command = procmail -a "$EXTENSION" mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = all # Virtual Configs virtual_uid_maps = static:5000 virtual_gid_maps = static:5000 virtual_mailbox_base = /home/vmail virtual_mailbox_domains = mysql:/etc/postfix/mysql_virtual_mailbox_domains.cf virtual_mailbox_maps = mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf virtual_alias_maps = mysql:/etc/postfix/mysql_virtual_alias_maps.cf relay_domains = mysql:/etc/postfix/mysql_relay_domains.cf smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_hostname, reject_non_fqdn_sender, reject_non_fqdn_recipient, reject_unauth_destination, reject_unauth_pipelining, reject_invalid_hostname smtpd_sasl_auth_enable = yes smtpd_sasl_security_options = noanonymous virtual_transport=dovecot dovecot_destination_recipient_limit = 1 master.cf: # # Postfix master process configuration file. For details on the format # of the file, see the master(5) manual page (command: "man 5 master"). # # Do not forget to execute "postfix reload" after editing this file. # # ========================================================================== # service type private unpriv chroot wakeup maxproc command + args # (yes) (yes) (yes) (never) (100) # ========================================================================== smtp inet n - - - - smtpd #smtp inet n - - - 1 postscreen #smtpd pass - - - - - smtpd #dnsblog unix - - - - 0 dnsblog #tlsproxy unix - - - - 0 tlsproxy #submission inet n - - - - smtpd # -o smtpd_tls_security_level=encrypt # -o smtpd_sasl_auth_enable=yes # -o smtpd_client_restrictions=permit_sasl_authenticated,reject # -o milter_macro_daemon_name=ORIGINATING #smtps inet n - - - - smtpd # -o smtpd_tls_wrappermode=yes # -o smtpd_sasl_auth_enable=yes # -o smtpd_client_restrictions=permit_sasl_authenticated,reject # -o milter_macro_daemon_name=ORIGINATING #628 inet n - - - - qmqpd pickup fifo n - - 60 1 pickup cleanup unix n - - - 0 cleanup qmgr fifo n - n 300 1 qmgr #qmgr fifo n - - 300 1 oqmgr tlsmgr unix - - - 1000? 1 tlsmgr rewrite unix - - - - - trivial-rewrite bounce unix - - - - 0 bounce defer unix - - - - 0 bounce trace unix - - - - 0 bounce verify unix - - - - 1 verify flush unix n - - 1000? 0 flush proxymap unix - - n - - proxymap proxywrite unix - - n - 1 proxymap smtp unix - - - - - smtp # When relaying mail as backup MX, disable fallback_relay to avoid MX loops relay unix - - - - - smtp -o smtp_fallback_relay= # -o smtp_helo_timeout=5 -o smtp_connect_timeout=5 showq unix n - - - - showq error unix - - - - - error retry unix - - - - - error discard unix - - - - - discard local unix - n n - - local virtual unix - n n - - virtual lmtp unix - - - - - lmtp anvil unix - - - - 1 anvil scache unix - - - - 1 scache # # ==================================================================== # Interfaces to non-Postfix software. Be sure to examine the manual # pages of the non-Postfix software to find out what options it wants. # # Many of the following services use the Postfix pipe(8) delivery # agent. See the pipe(8) man page for information about ${recipient} # and other message envelope options. # ==================================================================== # # maildrop. See the Postfix MAILDROP_README file for details. # Also specify in main.cf: maildrop_destination_recipient_limit=1 # maildrop unix - n n - - pipe flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient} # # ==================================================================== # # Recent Cyrus versions can use the existing "lmtp" master.cf entry. # # Specify in cyrus.conf: # lmtp cmd="lmtpd -a" listen="localhost:lmtp" proto=tcp4 # # Specify in main.cf one or more of the following: # mailbox_transport = lmtp:inet:localhost # virtual_transport = lmtp:inet:localhost # # ==================================================================== # # Cyrus 2.1.5 (Amos Gouaux) # Also specify in main.cf: cyrus_destination_recipient_limit=1 # #cyrus unix - n n - - pipe # user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user} # # ==================================================================== # Old example of delivery via Cyrus. # #old-cyrus unix - n n - - pipe # flags=R user=cyrus argv=/cyrus/bin/deliver -e -m ${extension} ${user} # # ==================================================================== # # See the Postfix UUCP_README file for configuration details. # uucp unix - n n - - pipe flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient) # # Other external delivery methods. # ifmail unix - n n - - pipe flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient) bsmtp unix - n n - - pipe flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender $recipient scalemail-backend unix - n n - 2 pipe flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store ${nexthop} ${user} ${extension} mailman unix - n n - - pipe flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py ${nexthop} ${user} dovecot unix - n n - - pipe flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -d ${recipient}

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• Getting Error while running RED5 server - class path resource [red5.xml] cannot be opened because it does not exist

  - by sunil221

  HI , I have installed java version "1.6.0_14" and Ant version 1.8.2 for red5 Server. when i am trying to run red5 server i am getting the following error please help Root: /usr/local/red5 Deploy type: bootstrap Logback selector: org.red5.logging.LoggingContextSelector Setting default logging context: default 11:27:39.838 [main] INFO org.red5.server.Launcher - Red5 Server 1.0.0 RC1 $Rev: 4171 $ (http://code.google.com/p/red5/) Red5 Server 1.0.0 RC1 $Rev: 4171 $ (http://code.google.com/p/red5/) SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/usr/local/red5/red5.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/usr/local/red5/lib/logback-classic-0.9.26.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation. 11:27:39.994 [main] INFO o.s.c.s.FileSystemXmlApplicationContext - Refreshing org.springframework.context.support.FileSystemXmlApplicationContext@39d85f79: startup date [Mon Dec 21 11:27:39 EST 2009]; root of context hierarchy 11:27:40.149 [main] INFO o.s.b.f.xml.XmlBeanDefinitionReader - Loading XML bean definitions from class path resource [red5.xml] Exception org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from class path resource [red5.xml]; nested exception is java.io.FileNotFoundException: class path resource [red5.xml] cannot be opened because it does not exist Bootstrap complete

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• Postfix installation error on Ubuntu

  - by kgpdeveloper

  How do I fix this error on Ubuntu 10.04 ? Reading package lists... Done Building dependency tree Reading state information... Done postfix is already the newest version. The following packages were automatically installed and are no longer required: libaprutil1-dbd-sqlite3 libcap2 apache2.2-bin libapr1 libaprutil1-ldap libaprutil1 php5-common Use 'apt-get autoremove' to remove them. 0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded. 1 not fully installed or removed. After this operation, 0B of additional disk space will be used. Setting up postfix (2.7.0-1) ... Postfix configuration was not changed. If you need to make changes, edit /etc/postfix/main.cf (and others) as needed. To view Postfix configuration values, see postconf(1). After modifying main.cf, be sure to run '/etc/init.d/postfix reload'. Running newaliases newaliases: warning: valid_hostname: numeric hostname: 202002 newaliases: fatal: file /etc/postfix/main.cf: parameter myhostname: bad parameter value: 202002 dpkg: error processing postfix (--configure): subprocess installed post-installation script returned error exit status 75 Processing triggers for libc-bin ... ldconfig deferred processing now taking place Errors were encountered while processing: postfix E: Sub-process /usr/bin/dpkg returned an error code (1) Even if I reboot, the same error shows up. Thanks for the help..

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• Getting Error while running RED5 server - class path resource [red5.xml] cannot be opened because it does not exist

  - by sunil221

  HI , I have installed java version "1.6.0_14" and Ant version 1.8.2 for red5 Server. when i am trying to run red5 server i am getting the following error please help Root: /usr/local/red5 Deploy type: bootstrap Logback selector: org.red5.logging.LoggingContextSelector Setting default logging context: default 11:27:39.838 [main] INFO org.red5.server.Launcher - Red5 Server 1.0.0 RC1 $Rev: 4171 $ (http://code.google.com/p/red5/) Red5 Server 1.0.0 RC1 $Rev: 4171 $ (http://code.google.com/p/red5/) SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/usr/local/red5/red5.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/usr/local/red5/lib/logback-classic-0.9.26.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation. 11:27:39.994 [main] INFO o.s.c.s.FileSystemXmlApplicationContext - Refreshing org.springframework.context.support.FileSystemXmlApplicationContext@39d85f79: startup date [Mon Dec 21 11:27:39 EST 2009]; root of context hierarchy 11:27:40.149 [main] INFO o.s.b.f.xml.XmlBeanDefinitionReader - Loading XML bean definitions from class path resource [red5.xml] Exception org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from class path resource [red5.xml]; nested exception is java.io.FileNotFoundException: class path resource [red5.xml] cannot be opened because it does not exist Bootstrap complete

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