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• How to get a result from output parameter(SYS_REFCURSOR) of Oracle stored procedure in iBATIS 3(by u

  - by yjacket

  I got an example how to call oracle SP in iBATIS 3 without a map file. And now I understand how to call it. But I got another problem that how to get a result from output parameter(Oracle cursor). A part of exception messages is "There is no setter for property named 'rs' in 'class java.lang.Class". Below is my code. Does anyone can help me? Oracle Stored Procedure: CREATE OR REPLACE PROCEDURE getProducts ( rs OUT SYS_REFCURSOR ) IS BEGIN OPEN rs FOR SELECT * FROM Products; END getProducts; Interface: public interface ProductMapper { @Select("call getProducts(#{rs,mode=OUT,jdbcType=CURSOR})") @Options(statementType = StatementType.CALLABLE) List<Product> getProducts(); } DAO: public class ProductDAO { public List<Product> getProducts() { return mapper.getProducts(); // mapper is ProductMapper } } Full Error Message: Exception in thread "main" org.apache.ibatis.exceptions.IbatisException: ### Error querying database. Cause: org.apache.ibatis.reflection.ReflectionException: Could not set property 'rs' of 'class org.apache.ibatis.reflection.MetaObject$NullObject' with value 'oracle.jdbc.driver.OracleResultSetImpl@1a001ff' Cause: org.apache.ibatis.reflection.ReflectionException: There is no setter for property named 'rs' in 'class java.lang.Class' ### The error may involve defaultParameterMap ### The error occurred while setting parameters ### Cause: org.apache.ibatis.reflection.ReflectionException: Could not set property 'rs' of 'class org.apache.ibatis.reflection.MetaObject$NullObject' with value 'oracle.jdbc.driver.OracleResultSetImpl@1a001ff' Cause: org.apache.ibatis.reflection.ReflectionException: There is no setter for property named 'rs' in 'class java.lang.Class' at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:8) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:61) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:53) at org.apache.ibatis.binding.MapperMethod.executeForList(MapperMethod.java:82) at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:63) at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:35) at $Proxy8.getList(Unknown Source) at com.dao.ProductDAO.getList(ProductDAO.java:42) at com.Ibatis3Test.main(Ibatis3Test.java:30) Caused by: org.apache.ibatis.reflection.ReflectionException: Could not set property 'rs' of 'class org.apache.ibatis.reflection.MetaObject$NullObject' with value 'oracle.jdbc.driver.OracleResultSetImpl@1a001ff' Cause: org.apache.ibatis.reflection.ReflectionException: There is no setter for property named 'rs' in 'class java.lang.Class' at org.apache.ibatis.reflection.wrapper.BeanWrapper.setBeanProperty(BeanWrapper.java:154) at org.apache.ibatis.reflection.wrapper.BeanWrapper.set(BeanWrapper.java:36) at org.apache.ibatis.reflection.MetaObject.setValue(MetaObject.java:120) at org.apache.ibatis.executor.resultset.FastResultSetHandler.handleOutputParameters(FastResultSetHandler.java:69) at org.apache.ibatis.executor.statement.CallableStatementHandler.query(CallableStatementHandler.java:44) at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:55) at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:41) at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:94) at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:72) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:59) ... 7 more Caused by: org.apache.ibatis.reflection.ReflectionException: There is no setter for property named 'rs' in 'class java.lang.Class' at org.apache.ibatis.reflection.Reflector.getSetInvoker(Reflector.java:300) at org.apache.ibatis.reflection.MetaClass.getSetInvoker(MetaClass.java:97) at org.apache.ibatis.reflection.wrapper.BeanWrapper.setBeanProperty(BeanWrapper.java:146) ... 16 more

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• Glassfish v3 / JNDI entry cannot be found problems!

  - by REMP

  I've been having problems trying to call an EJB's method from a Java Application Client. Here is the code. EJB Remote Interface package com.test; import javax.ejb.Remote; @Remote public interface HelloBeanRemote { public String sayHello(); } EJB package com.test; import javax.ejb.Stateless; @Stateless (name="HelloBeanExample" , mappedName="ejb/HelloBean") public class HelloBean implements HelloBeanRemote { @Override public String sayHello(){ return "hola"; } } Main class (another project) import com.test.HelloBeanRemote; import javax.naming.Context; import javax.naming.InitialContext; public class Main { public void runTest()throws Exception{ Context ctx = new InitialContext(); HelloBeanRemote bean = (HelloBeanRemote)ctx.lookup("java:global/Test/HelloBeanExample!com.test.HelloBeanRemote"); System.out.println(bean.sayHello()); } public static void main(String[] args)throws Exception { Main main = new Main(); main.runTest(); } } Well, what is my problem? JNDI entry for this EJB cannot be found! java.lang.NullPointerException at com.sun.enterprise.naming.impl.SerialContext.getRemoteProvider(SerialContext.java:297) at com.sun.enterprise.naming.impl.SerialContext.getProvider(SerialContext.java:271) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:430) at javax.naming.InitialContext.lookup(InitialContext.java:392) at testdesktop.Main.runTest(Main.java:22) at testdesktop.Main.main(Main.java:31) Exception in thread "main" javax.naming.NamingException: Lookup failed for 'java:global/Test/HelloBeanExample!com.test.HelloBeanRemote' in SerialContext [Root exception is javax.naming.NamingException: Unable to acquire SerialContextProvider for SerialContext [Root exception is java.lang.NullPointerException]] at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:442) at javax.naming.InitialContext.lookup(InitialContext.java:392) at testdesktop.Main.runTest(Main.java:22) at testdesktop.Main.main(Main.java:31) Caused by: javax.naming.NamingException: Unable to acquire SerialContextProvider for SerialContext [Root exception is java.lang.NullPointerException] at com.sun.enterprise.naming.impl.SerialContext.getProvider(SerialContext.java:276) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:430) ... 3 more Caused by: java.lang.NullPointerException at com.sun.enterprise.naming.impl.SerialContext.getRemoteProvider(SerialContext.java:297) at com.sun.enterprise.naming.impl.SerialContext.getProvider(SerialContext.java:271) ... 4 more Java Result: 1 I've trying with different JNDI entries but nothing works (I got this entries from NetBeans console): INFO: Portable JNDI names for EJB HelloBeanExample : [java:global/Test/HelloBeanExample, java:global/Test/HelloBeanExample!com.test.HelloBeanRemote] INFO: Glassfish-specific (Non-portable) JNDI names for EJB HelloBeanExample : [ejb/HelloBean, ejb/HelloBean#com.test.HelloBeanRemote] So I tried with the following entries but I got the same exception : java:global/Test/HelloBeanExample java:global/Test/HelloBeanExample!com.test.HelloBeanRemote ejb/HelloBean ejb/HelloBean#com.test.HelloBeanRemote I'm using Netbeans 6.8 and Glassfish v3!

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• Problem with Google Analytics for Android : "Dispatcher thinks it finished, but there were 543 faile

  - by PHP_Jedi

  Anyone know how to solve this problem? 03-23 13:03:20.585: WARN/googleanalytics(3430): Problem with socket or streams. 03-23 13:03:20.585: WARN/googleanalytics(3430): java.net.SocketException: Broken pipe 03-23 13:03:20.585: WARN/googleanalytics(3430): at org.apache.harmony.luni.platform.OSNetworkSystem.sendStreamImpl(Native Method) 03-23 13:03:20.585: WARN/googleanalytics(3430): at org.apache.harmony.luni.platform.OSNetworkSystem.sendStream(OSNetworkSystem.java:498) 03-23 13:03:20.585: WARN/googleanalytics(3430): at org.apache.harmony.luni.net.PlainSocketImpl.write(PlainSocketImpl.java:585) 03-23 13:03:20.585: WARN/googleanalytics(3430): at org.apache.harmony.luni.net.SocketOutputStream.write(SocketOutputStream.java:59) 03-23 13:03:20.585: WARN/googleanalytics(3430): at org.apache.http.impl.io.AbstractSessionOutputBuffer.flushBuffer(AbstractSessionOutputBuffer.java:87) 03-23 13:03:20.585: WARN/googleanalytics(3430): at org.apache.http.impl.io.AbstractSessionOutputBuffer.flush(AbstractSessionOutputBuffer.java:94) 03-23 13:03:20.585: WARN/googleanalytics(3430): at org.apache.http.impl.AbstractHttpClientConnection.doFlush(AbstractHttpClientConnection.java:168) 03-23 13:03:20.585: WARN/googleanalytics(3430): at org.apache.http.impl.AbstractHttpClientConnection.flush(AbstractHttpClientConnection.java:173) 03-23 13:03:20.585: WARN/googleanalytics(3430): at com.google.android.apps.analytics.PipelinedRequester.sendRequests(Unknown Source) 03-23 13:03:20.585: WARN/googleanalytics(3430): at com.google.android.apps.analytics.NetworkDispatcher$DispatcherThread$AsyncDispatchTask.dispatchSomePendingEvents(Unknown Source) 03-23 13:03:20.585: WARN/googleanalytics(3430): at com.google.android.apps.analytics.NetworkDispatcher$DispatcherThread$AsyncDispatchTask.run(Unknown Source) 03-23 13:03:20.585: WARN/googleanalytics(3430): at android.os.Handler.handleCallback(Handler.java:587) 03-23 13:03:20.585: WARN/googleanalytics(3430): at android.os.Handler.dispatchMessage(Handler.java:92) 03-23 13:03:20.585: WARN/googleanalytics(3430): at android.os.Looper.loop(Looper.java:123) 03-23 13:03:20.585: WARN/googleanalytics(3430): at android.os.HandlerThread.run(HandlerThread.java:60) 03-23 13:03:21.088: WARN/googleanalytics(3430): Dispatcher thinks it finished, but there were 543 failed events Specially the last line explain why there is lost so much data, as the dispatcher thinks it is done, but have 543 events not dispatched... The application have a good internet connection and there is no problem reaching the app server-side api. I see in analytics that lots of startups and click-events the past few days are lost, even I know the traffic is normal since i can see statistics from the the server api. In the analytics reports I see a day by day under-reporting. So the problems seems to be spreading/growing to all the devices using this application. Im wondering why google does not answer this in their mail-groups - several people have complained about this...well, well... I found this thread relevant: http://stackoverflow.com/questions/682560/java-net-socketexception-broken-pipe But, I'm still not sure if there is anything I can do to fix it or not. If there is nothing I can do to fix it, I guess its not my fault that it got broken. But i got a feeling it is, since the problem got dramatically worse on the last deploy to Android market. Anyone else with experience on Google Analytics for android ?

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• Detect user logout / shutdown in Python / GTK under Linux - SIGTERM/HUP not received

  - by Ivo Wetzel

  OK this is presumably a hard one, I've got an pyGTK application that has random crashes due to X Window errors that I can't catch/control. So I created a wrapper that restarts the app as soon as it detects a crash, now comes the problem, when the user logs out or shuts down the system, the app exits with status 1. But on some X errors it does so too. So I tried literally anything to catch the shutdown/logout, with no success, here's what I've tried: import pygtk import gtk import sys class Test(gtk.Window): def delete_event(self, widget, event, data=None): open("delete_event", "wb") def destroy_event(self, widget, data=None): open("destroy_event", "wb") def destroy_event2(self, widget, event, data=None): open("destroy_event2", "wb") def __init__(self): gtk.Window.__init__(self, gtk.WINDOW_TOPLEVEL) self.show() self.connect("delete_event", self.delete_event) self.connect("destroy", self.destroy_event) self.connect("destroy-event", self.destroy_event2) def foo(): open("add_event", "wb") def ex(): open("sys_event", "wb") from signal import * def clean(sig): f = open("sig_event", "wb") f.write(str(sig)) f.close() exit(0) for sig in (SIGABRT, SIGILL, SIGINT, SIGSEGV, SIGTERM): signal(sig, lambda *args: clean(sig)) def at(): open("at_event", "wb") import atexit atexit.register(at) f = Test() sys.exitfunc = ex gtk.quit_add(gtk.main_level(), foo) gtk.main() open("exit_event", "wb") Not one of these succeeds, is there any low level way to detect the system shutdown? Google didn't find anything related to that. I guess there must be a way, am I right? :/ EDIT: OK, more stuff. I've created this shell script: #!/bin/bash trap test_term TERM trap test_hup HUP test_term(){ echo "teeeeeeeeeerm" >~/Desktop/term.info exit 0 } test_hup(){ echo "huuuuuuuuuuup" >~/Desktop/hup.info exit 1 } while [ true ] do echo "idle..." sleep 2 done And also created a .desktop file to run it: [Desktop Entry] Name=Kittens GenericName=Kittens Comment=Kitten Script Exec=kittens StartupNotify=true Terminal=false Encoding=UTF-8 Type=Application Categories=Network;GTK; Name[de_DE]=Kittens Normally this should create the term file on logout and the hup file when it has been started with &. But not on my System. GDM doesn't care about the script at all, when I relog, it's still running. I've also tried using shopt -s huponexit, with no success. EDIT2: Also here's some more information aboute the real code, the whole thing looks like this: Wrapper Script, that catches errors and restarts the programm -> Main Programm with GTK Mainloop -> Background Updater Thread The flow is like this: Start Wrapper -> enter restart loop while restarts < max: -> start program -> check return code -> write error to file or exit the wrapper on 0 Now on shutdown, start program return 1. That means either it did hanup or the parent process terminated, the main problem is to figure out which of these two did just happen. X Errors result in a 1 too. Trapping in the shellscript doesn't work. If you want to take a look at the actual code check it out over at GitHub: http://github.com/BonsaiDen/Atarashii

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• Java, Jacob and Microsoft Outlook events: Receiving "Can't find event iid" Error

  - by Adam Paynter

  I am writing a Java program that interacts with Microsoft Outlook using the Jacob library (bridges COM and Java). This program creates a new MailItem, displaying its Inspector window to the user. I wish to subscribe to the inspector's Close event to know when the user is finished editing their mail item. To subscribe to the event, I followed the instructions in Jacob's documentation (about 2⁄3 down the page): The current [event] model is conceptually similar to the Visual Basic WithEvents construct. Basically, I provide a class called com.jacob.com.DispatchEvents which has a constructor that takes a source object (of type com.jacob.com.Dispatch) and a target object (of any type). The source object is queried for its IConnectionPointContainer interface and I attempt to obtain an IConnectionPoint for its default source interface (which I obtain from IProvideClassInfo). At the same time, I also create a mapping of DISPID's for the default source interface to the actual method names. I then use the method names to get jmethodID handles from the target Java object. All event methods currently must have the same signature: one argument which is a Java array of Variants, and a void return type. Here is my InspectorEventHandler class, conforming to Jacob's documentation: public class InspectorEventHandler { public void Activate(Variant[] arguments) { } public void BeforeMaximize(Variant[] arguments) { } public void BeforeMinimize(Variant[] arguments) { } public void BeforeMove(Variant[] arguments) { } public void BeforeSize(Variant[] arguments) { } public void Close(Variant[] arguments) { System.out.println("Closing"); } public void Deactivate(Variant[] arguments) { } public void PageChange(Variant[] arguments) { } } And here is how I subscribe to the events using this InspectorEventHandler class: Object outlook = new ActiveXComponent("Outlook.Application"); Object mailItem = Dispatch.call(outlook, "CreateItem", 0).getDispatch(); Object inspector = Dispatch.get(mailItem, "GetInspector").getDispatch(); InspectorEventHandler eventHandler = new InspectorEventHandler(); // This supposedly registers eventHandler with the inspector new DispatchEvents((Dispatch) inspector, eventHandler); However, the last line fails with the following exception: Exception in thread "main" com.jacob.com.ComFailException: Can't find event iid at com.jacob.com.DispatchEvents.init(Native Method) at com.jacob.com.DispatchEvents.(DispatchEvents.java) at cake.CakeApplication.run(CakeApplication.java:30) at cake.CakeApplication.main(CakeApplication.java:15) couldn't get IProvideClassInfo According to Google, a few others have also received this error. Unfortunately, none of them have received an answer. I am using version 1.7 of the Jacob library, which claims to prevent this problem: Version 1.7 also includes code to read the type library directly from the progid. This makes it possible to work with all the Microsoft Office application events, as well as IE5 events. For an example see the samples/test/IETest.java example. I noticed that the aforementioned IETest.java file subscribes to events like this: new DispatchEvents((Dispatch) ieo, ieE,"InternetExplorer.Application.1"); Therefore, I tried subscribing to my events in a similar manner: new DispatchEvents((Dispatch) inspector, eventHandler, "Outlook.Application"); new DispatchEvents((Dispatch) inspector, eventHandler, "Outlook.Application.1"); new DispatchEvents((Dispatch) inspector, eventHandler, "Outlook.Application.12"); All these attempts failed with the same error.

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• Eventlet or gevent or Stackless + Twisted, Pylons, Django and SQL Alchemy

  - by Khorkrak

  We're using Twisted extensively for apps requiring a great deal of asynchronous io. There are some cases where stuff is cpu bound instead and for that we spawn a pool of processes to do the work and have a system for managing these across multiple servers as well - all done in Twisted. Works great. The problem is that it's hard to bring new team members up to speed. Writing asynchronous code in Twisted requires a near vertical learning curve. It's as if humans just don't think that way naturally. We're considering a mixed approach perhaps. Maybe do the xmlrpc server part and process management in Twisted still but the other stuff in code that at least looks synchronous while not being as such. Then again I like explicit over implicit so hmmm. Anyway onto greenlets - how well does that stuff work? So there's Stackless and as you can see from my Gallentean avatar I'm well aware of the tremendous success in it's use for CCP's flagship EVE Online game first hand. What about Eventlet or gevent? Well for now only Eventlet works with Twisted. However gevent claims to be faster since it's not a pure python implementation it instead uses libevent. It also has fewer idiosyncrasies and defects supposedly. The documentation there is minimal in comparison to Eventlet and it's maintained by 1 guy as far as I can tell. This makes me leery but all great projects start this way so... Then there's PyPy - I haven't even finished reading about that one yet - just saw it in this thread: Drawbacks of Stackless. So confusing - I'm wondering what the heck to do - sounds like Eventlet is probably the best bet but is it really stable enough? Anyone out there have any experience with it? Should we go with Stackless instead as it's been around and is proven technology - just like Twisted is as well - and they do work together nicely. But still I hate having to have a separate version of Python to do this. what to do.... This somewhat obnoxious blog entry hit the nail on the head for me though: Asynchronous IO for Grownups We're stuck using MySQL as well - I never knew how great PostgreSQL was until having had to work on a production OLTP system in MySQL instead - but that's another story. But if that monkey patch thing really works then wow. Just wow.

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• Android "Trying to use recycled bitmap" error?

  - by Mike

  Hi all, I am running into a problem with bitmaps on an Android application I am working on. What is suppose to happen is that the application downloads images from a website, saves them to the device, loads them into memory as bitmaps into an arraylist, and displays them to the user. This all works fine when the application is first started. However, I have added a refresh option for the user where the images are deleted, and the process outlined above starts all over. My problem: By using the refresh option the old images were still in memory and I would quickly get OutOfMemoryErrors. Thus, if the images are being refreshed, I had it run through the arraylist and recycle the old images. However, when the application goes to load the new images into the arraylist, it crashes with a "Trying to use recycled bitmap" error. As far as I understand it, recycling a bitmap destroys the bitmap and frees up its memory for other objects. If I want to use the bitmap again, it has to be reinitialized. I believe that I am doing this when the new files are loaded into the arraylist, but something is still wrong. Any help is greatly appreciated as this is very frustrating. The problem code is below. Thank you! public void fillUI(final int refresh) { // Recycle the images to avoid memory leaks if(refresh==1) { for(int x=0; x<images.size(); x++) images.get(x).recycle(); images.clear(); selImage=-1; // Reset the selected image variable } final ProgressDialog progressDialog = ProgressDialog.show(this, null, this.getString(R.string.loadingImages)); // Create the array with the image bitmaps in it new Thread(new Runnable() { public void run() { Looper.prepare(); File[] fileList = new File("/data/data/[package name]/files/").listFiles(); if(fileList!=null) { for(int x=0; x<fileList.length; x++) { try { images.add(BitmapFactory.decodeFile("/data/data/[package name]/files/" + fileList[x].getName())); } catch (OutOfMemoryError ome) { Log.i(LOG_FILE, "out of memory again :("); } } Collections.reverse(images); } fillUiHandler.sendEmptyMessage(0); } }).start(); fillUiHandler = new Handler() { public void handleMessage(Message msg) { progressDialog.dismiss(); } }; }

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• How to debug nondeterministic access violation crash?

  - by Special Touch

  Our C#/COM/C++ application is crashing and I need help debugging it. Running with gflags enabled and WinDbg attached, we determined the crashes are caused by an access violation, but we haven't been able to narrow it down any more than that. We are not seeing the issue on all machines; there are a couple of machines that seem to reproduce the issue frequently but not deterministically. We have observed the application crash from simply switching away from the application (say, Alt-Tab) and then back. Output from WinDbg is below. We have been trying to systematically comment out areas of code that could be causing the problem, but we haven't had much success yet. Any suggestions on what debugging steps or tools we should try? !analyze -v EXCEPTION_RECORD: ffffffff -- (.exr 0xffffffffffffffff) ExceptionAddress: 1a584ff2 (+0x1a584ff1) ExceptionCode: c0000005 (Access violation) ExceptionFlags: 00000000 NumberParameters: 2 Parameter[0]: 00000000 Parameter[1]: 1a584ff2 Attempt to read from address 1a584ff2 PROCESS_NAME: ProcessFiles.exe ERROR_CODE: (NTSTATUS) 0xc0000005 - The instruction at 0x%08lx referenced memory at 0x%08lx. The memory could not be %s. EXCEPTION_CODE: (NTSTATUS) 0xc0000005 - The instruction at 0x%08lx referenced memory at 0x%08lx. The memory could not be %s. EXCEPTION_PARAMETER1: 00000000 EXCEPTION_PARAMETER2: 1a584ff2 READ_ADDRESS: 1a584ff2 FOLLOWUP_IP: Ed20+1a584ff1 1a584ff2 ?? ??? NTGLOBALFLAG: 2000000 APPLICATION_VERIFIER_FLAGS: 0 IP_MODULE_UNLOADED: Ed20+1a584ff1 1a584ff2 ?? ??? MANAGED_STACK: (TransitionMU) 0EC6F6F4 7B1D8CCE System_Windows_Forms_ni!System.Windows.Forms.Application+ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32, Int32, Int32)+0x24e 0EC6F790 7B1D8937 System_Windows_Forms_ni!System.Windows.Forms.Application+ThreadContext.RunMessageLoopInner(Int32, System.Windows.Forms.ApplicationContext)+0x177 0EC6F7E4 7B1D8781 System_Windows_Forms_ni!System.Windows.Forms.Application+ThreadContext.RunMessageLoop(Int32, System.Windows.Forms.ApplicationContext)+0x61 0EC6F814 7B195911 System_Windows_Forms_ni!System.Windows.Forms.Application.Run(System.Windows.Forms.Form)+0x31 0EC6F828 0969D97A Extract_Utilities_Forms!Extract.Utilities.Forms.VerificationForm`1[[System.__Canon, mscorlib]].A(System.Object)+0x23a 0EC6F8C0 79A00EEE mscorlib_ni!System.Threading.ThreadHelper.ThreadStart_Context(System.Object)+0x72a25e 0EC6F8CC 792E019F mscorlib_ni!System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)+0x6f 0EC6F8E4 797DB48A mscorlib_ni!System.Threading.ThreadHelper.ThreadStart(System.Object)+0x4a (TransitionUM) LAST_CONTROL_TRANSFER: from 7e418734 to 1a584ff2 FAULTING_THREAD: ffffffff ADDITIONAL_DEBUG_TEXT: Followup set based on attribute [ip_not_executable] from Frame:[0] on thread:[e30] BUGCHECK_STR: APPLICATION_FAULT_BAD_INSTRUCTION_PTR_INVALID_POINTER_READ_WRONG_SYMBOLS_WINDOW_HOOK PRIMARY_PROBLEM_CLASS: BAD_INSTRUCTION_PTR DEFAULT_BUCKET_ID: BAD_INSTRUCTION_PTR STACK_TEXT: 7b1d8cce System_Windows_Forms_ni!System.Windows.Forms.Application+ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop+0xc 7b1d8937 System_Windows_Forms_ni!System.Windows.Forms.Application+ThreadContext.RunMessageLoopInner+0x0 7b1d8781 System_Windows_Forms_ni!System.Windows.Forms.Application+ThreadContext.RunMessageLoop+0x0 7b195911 System_Windows_Forms_ni!System.Windows.Forms.Application.Run+0x31 0969d97a Extract_Utilities_Forms!Extract.Utilities.Forms.VerificationForm`1[[System.__Canon, mscorlib]].A+0x23a 79a00eee mscorlib_ni!System.Threading.ThreadHelper.ThreadStart_Context+0x72a25e 792e019f mscorlib_ni!System.Threading.ExecutionContext.Run+0x6f 797db48a mscorlib_ni!System.Threading.ThreadHelper.ThreadStart+0x4a STACK_COMMAND: .ecxr ; ~~[e30] ; .frame 0 ; ** Pseudo Context ** ; kb FAILED_INSTRUCTION_ADDRESS: Ed20+1a584ff1 1a584ff2 ?? ??? SYMBOL_NAME: Ed20 FOLLOWUP_NAME: MachineOwner MODULE_NAME: Ed20 IMAGE_NAME: Ed20 DEBUG_FLR_IMAGE_TIMESTAMP: 0 FAILURE_BUCKET_ID: BAD_INSTRUCTION_PTR_c0000005_Ed20!Unloaded BUCKET_ID: APPLICATION_FAULT_BAD_INSTRUCTION_PTR_INVALID_POINTER_READ_WRONG_SYMBOLS_WINDOW_HOOK_BAD_IP_Ed20 Followup: MachineOwner

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• Injecting jms resource in servlet & best practice for MDB

  - by kislo_metal

  using ejb 3.1, servlet 3.0 (glassfish server v3) Scenario: I have MDB that listen to jms messages and give processing to some other session bean (Stateless). Servelet injecting jms resource. Question 1: Why servlet can`t inject jms resources when they use static declaration ? @Resource(mappedName = "jms/Tarturus") private static ConnectionFactory connectionFactory; @Resource(mappedName = "jms/StyxMDB") private static Queue queue; private Connection connection; and @PostConstruct public void postConstruct() { try { connection = connectionFactory.createConnection(); } catch (JMSException e) { e.printStackTrace(); } } @PreDestroy public void preDestroy() { try { connection.close(); } catch (JMSException e) { e.printStackTrace(); } } The error that I get is : [#|2010-05-03T15:18:17.118+0300|WARNING|glassfish3.0|javax.enterprise.system.container.web.com.sun.enterprise.web|_ThreadID=35;_ThreadName=Thread-1;|StandardWrapperValve[WorkerServlet]: PWC1382: Allocate exception for servlet WorkerServlet com.sun.enterprise.container.common.spi.util.InjectionException: Error creating managed object for class ua.co.rufous.server.services.WorkerServiceImpl at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl.createManagedObject(InjectionManagerImpl.java:312) at com.sun.enterprise.web.WebContainer.createServletInstance(WebContainer.java:709) at com.sun.enterprise.web.WebModule.createServletInstance(WebModule.java:1937) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1252) Caused by: com.sun.enterprise.container.common.spi.util.InjectionException: Exception attempting to inject Unresolved Message-Destination-Ref ua.co.rufous.server.services.WorkerServiceImpl/[email protected]@null into class ua.co.rufous.server.services.WorkerServiceImpl at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl._inject(InjectionManagerImpl.java:614) at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl.inject(InjectionManagerImpl.java:384) at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl.injectInstance(InjectionManagerImpl.java:141) at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl.injectInstance(InjectionManagerImpl.java:127) at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl.createManagedObject(InjectionManagerImpl.java:306) ... 27 more Caused by: com.sun.enterprise.container.common.spi.util.InjectionException: Illegal use of static field private static javax.jms.Queue ua.co.rufous.server.services.WorkerServiceImpl.queue on class that only supports instance-based injection at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl._inject(InjectionManagerImpl.java:532) ... 31 more |#] my MDB : /** * asadmin commands * asadmin create-jms-resource --restype javax.jms.ConnectionFactory jms/Tarturus * asadmin create-jms-resource --restype javax.jms.Queue jms/StyxMDB * asadmin list-jms-resources */ @MessageDriven(mappedName = "jms/StyxMDB", activationConfig = { @ActivationConfigProperty(propertyName = "connectionFactoryJndiName", propertyValue = "jms/Tarturus"), @ActivationConfigProperty(propertyName = "acknowledgeMode", propertyValue = "Auto-acknowledge"), @ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Queue") }) public class StyxMDB implements MessageListener { @EJB private ActivationProcessingLocal aProcessing; public StyxMDB() { } public void onMessage(Message message) { try { TextMessage msg = (TextMessage) message; String hash = msg.getText(); GluttonyLogger.getInstance().writeInfoLog("geted jms message hash = " + hash); } catch (JMSException e) { } } } everything work good without static declaration: @Resource(mappedName = "jms/Tarturus") private ConnectionFactory connectionFactory; @Resource(mappedName = "jms/StyxMDB") private Queue queue; private Connection connection; Question 2: what is the best practice for working with MDB : processing full request in onMessage() or calling another bean(Stateless bean in my case) in onMessage() method that would process it. Processing including few calls to soap services, so the full processing time could be for a 3 seconds. Thank you.

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• GoogleAppEngine : possible to disable FileUpload?

  - by James.Elsey

  Hi, When I deploy my application to GoogleAppEngine I keep getting the following error Uncaught exception from servlet java.lang.NoClassDefFoundError: java.io.FileOutputStream is a restricted class. Please see the Google App Engine developer's guide for more details. at com.google.apphosting.runtime.security.shared.stub.java.io.FileOutputStream.<clinit>(FileOutputStream.java) at org.apache.log4j.FileAppender.setFile(FileAppender.java:289) at org.apache.log4j.FileAppender.activateOptions(FileAppender.java:163) at org.apache.log4j.config.PropertySetter.activate(PropertySetter.java:256) at org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:132) at org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:96) at org.apache.log4j.PropertyConfigurator.parseAppender(PropertyConfigurator.java:654) at org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator.java:612) at org.apache.log4j.PropertyConfigurator.configureRootCategory(PropertyConfigurator.java:509) at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:415) at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:441) at org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:468) at org.apache.log4j.LogManager.<clinit>(LogManager.java:122) at org.slf4j.impl.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:73) at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:88) at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:155) at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:131) at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:685) at org.springframework.web.context.ContextLoader.<clinit>(ContextLoader.java:146) at org.springframework.web.context.ContextLoaderListener.createContextLoader(ContextLoaderListener.java:53) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:44) at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:548) at org.mortbay.jetty.servlet.Context.startContext(Context.java:136) at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250) at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517) at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.createHandler(AppVersionHandlerMap.java:191) at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.getHandler(AppVersionHandlerMap.java:168) at com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:123) at com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java:243) at com.google.apphosting.base.RuntimePb$EvaluationRuntime$6.handleBlockingRequest(RuntimePb.java:5485) at com.google.apphosting.base.RuntimePb$EvaluationRuntime$6.handleBlockingRequest(RuntimePb.java:5483) at com.google.net.rpc.impl.BlockingApplicationHandler.handleRequest(BlockingApplicationHandler.java:24) at com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:398) at com.google.net.rpc.impl.Server$2.run(Server.java:852) at com.google.tracing.LocalTraceSpanRunnable.run(LocalTraceSpanRunnable.java:56) at com.google.tracing.LocalTraceSpanBuilder.internalContinueSpan(LocalTraceSpanBuilder.java:536) at com.google.net.rpc.impl.Server.startRpc(Server.java:807) at com.google.net.rpc.impl.Server.processRequest(Server.java:369) at com.google.net.rpc.impl.ServerConnection.messageReceived(ServerConnection.java:442) at com.google.net.rpc.impl.RpcConnection.parseMessages(RpcConnection.java:319) at com.google.net.rpc.impl.RpcConnection.dataReceived(RpcConnection.java:290) at com.google.net.async.Connection.handleReadEvent(Connection.java:474) at com.google.net.async.EventDispatcher.processNetworkEvents(EventDispatcher.java:831) at com.google.net.async.EventDispatcher.internalLoop(EventDispatcher.java:207) at com.google.net.async.EventDispatcher.loop(EventDispatcher.java:103) at com.google.net.rpc.RpcService.runUntilServerShutdown(RpcService.java:251) at com.google.apphosting.runtime.JavaRuntime$RpcRunnable.run(JavaRuntime.java:404) at java.lang.Thread.run(Unknown Source) I've checked the documentation and it suggests to create a FileUpload class, since I won't be uploading files/documents etc from my application, is this necessary? Is there a way to disable this functionality, or at least bypass this error? I have already provided implementation for a MultipartWrapperFactory.Class as that has been suggested from searching for this error Thanks

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• Problem with sqlite database on android platform

  - by mudit

  hi all i am developing an application which uses sqlite db for storing records. I am developing this application on SDK 1.5.. when i test the application on 1.5 device it works good but when i try to run it on a 1.6 device i get a force close message with following logcat output: 03-19 09:31:35.206: ERROR/AndroidRuntime(224): Uncaught handler: thread main exiting due to uncaught exception 03-19 09:31:35.226: ERROR/AndroidRuntime(224): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.abc.android/com.abc.android.app}: android.database.sqlite.SQLiteException: unable to open database file 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2454) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2470) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.app.ActivityThread.access$2200(ActivityThread.java:119) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1821) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.os.Handler.dispatchMessage(Handler.java:99) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.os.Looper.loop(Looper.java:123) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.app.ActivityThread.main(ActivityThread.java:4310) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at java.lang.reflect.Method.invokeNative(Native Method) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at java.lang.reflect.Method.invoke(Method.java:521) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at dalvik.system.NativeStart.main(Native Method) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): Caused by: android.database.sqlite.SQLiteException: unable to open database file 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.database.sqlite.SQLiteDatabase.dbopen(Native Method) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.database.sqlite.SQLiteDatabase.(SQLiteDatabase.java:1697) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:738) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:760) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:753) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.app.ApplicationContext.openOrCreateDatabase(ApplicationContext.java:473) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.content.ContextWrapper.openOrCreateDatabase(ContextWrapper.java:193) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:98) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at com.abc.android.DbAdapter.open(DbAdapter.java:101) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at com.abc.android.class1.onCreate(class1.java:105) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2417) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): ... 11 more DBAdapter.java public DbAdapter open() throws SQLException { Log.d("DbAdapter", "in DbAdapter open()"); mDbHelper = new DatabaseHelper(mCtx); mDb = mDbHelper.getWritableDatabase(); // line 101 return this; } DatabaseHelper(Context context) { super(context, DATABASE_NAME, null, DATABASE_VERSION); } @Override public void onCreate(SQLiteDatabase db) { db.execSQL(DATABASE_QUERY); } class1.java mDB = new DbAdapter(Class1.this); mDB.open(); // line 105 Please help..what do i do????

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• SSLException: Keystore does not support enabled cipher suites

  - by wurfkeks

  I want to implement a small android application, that works as SSL Server. After lot of problems with the right format of the keystore, I solved this and run into the next one. My keystore file is properly loaded by the KeyStore class. But when I try to open the server socket (socket.accept()) the following error is raised: javax.net.ssl.SSLException: Could not find any key store entries to support the enabled cipher suites. I generated my keystore with this command: keytool -genkey -keystore test.keystore -keyalg RSA -keypass ssltest -storepass ssltest -storetype BKS -provider org.bouncycastle.jce.provider.BouncyCastleProvider -providerpath bcprov.jar with the Unlimited Strength Jurisdiction Policy for Java SE6 applied to my jre6. I got a list of supported ciphers suites by calling socket.getSupportedCipherSuites() that prints a long list with very different combinations. But I don't know how to get a supported key. I also tried the android debug keystore after converting it to BKS format using portecle but get still the same error. Can anyone help and tell how I can generate a key that is compatible with one of the cipher suites? Version Information: targetSDK: 15 tested on emulator running 4.0.3 and real device running 2.3.3 BounceCastle 1.46 portecle 1.7 Code of my test application: public class SSLTestActivity extends Activity implements Runnable { SSLServerSocket mServerSocket; ToggleButton tglBtn; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); this.tglBtn = (ToggleButton)findViewById(R.id.toggleButton1); tglBtn.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { if (isChecked) { new Thread(SSLTestActivity.this).run(); } else { try { if (mServerSocket != null) mServerSocket.close(); } catch (IOException e) { Log.e("SSLTestActivity", e.toString()); } } } }); } @Override public void run() { try { KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType()); keyStore.load(getAssets().open("test.keystore"), "ssltest".toCharArray()); ServerSocketFactory socketFactory = SSLServerSocketFactory.getDefault(); mServerSocket = (SSLServerSocket) socketFactory.createServerSocket(8080); while (!mServerSocket.isClosed()) { Socket client = mServerSocket.accept(); PrintWriter output = new PrintWriter(client.getOutputStream(), true); output.println("So long, and thanks for all the fish!"); client.close(); } } catch (Exception e) { Log.e("SSLTestActivity", e.toString()); } } }

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• Android - Getting audio to play through earpiece

  - by Donal Rafferty

  I currently have code that reads a recording in from the devices mic using the AudioRecord class and then playing it back out using the AudioTrack class. My problem is that when I play it out it plays vis the speaker phone. I want it to play out via the ear piece on the device. Here is my code: public class LoopProg extends Activity { boolean isRecording; //currently not used AudioManager am; int count = 0; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); am = (AudioManager) getSystemService(Context.AUDIO_SERVICE); am.setMicrophoneMute(true); while(count <= 1000000){ Record record = new Record(); record.run(); count ++; Log.d("COUNT", "Count is : " + count); } } public class Record extends Thread { static final int bufferSize = 200000; final short[] buffer = new short[bufferSize]; short[] readBuffer = new short[bufferSize]; public void run() { isRecording = true; android.os.Process.setThreadPriority (android.os.Process.THREAD_PRIORITY_URGENT_AUDIO); int buffersize = AudioRecord.getMinBufferSize(11025, AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT); AudioRecord arec = new AudioRecord(MediaRecorder.AudioSource.MIC, 11025, AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT, buffersize); AudioTrack atrack = new AudioTrack(AudioManager.STREAM_MUSIC, 11025, AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT, buffersize, AudioTrack.MODE_STREAM); am.setRouting(AudioManager.MODE_NORMAL,1, AudioManager.STREAM_MUSIC); int ok = am.getRouting(AudioManager.ROUTE_EARPIECE); Log.d("ROUTING", "getRouting = " + ok); setVolumeControlStream(AudioManager.STREAM_VOICE_CALL); //am.setSpeakerphoneOn(true); Log.d("SPEAKERPHONE", "Is speakerphone on? : " + am.isSpeakerphoneOn()); am.setSpeakerphoneOn(false); Log.d("SPEAKERPHONE", "Is speakerphone on? : " + am.isSpeakerphoneOn()); atrack.setPlaybackRate(11025); byte[] buffer = new byte[buffersize]; arec.startRecording(); atrack.play(); while(isRecording) { arec.read(buffer, 0, buffersize); atrack.write(buffer, 0, buffer.length); } arec.stop(); atrack.stop(); isRecording = false; } } } As you can see if the code I have tried using the AudioManager class and its methods including the deprecated setRouting method and nothing works, the setSpeatPoneOn method seems to have no effect at all, neither does the routing method. Has anyone got any ideas on how to get it to play via the earpiece instead of the spaker phone?

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• OSGI & Apache Commons-DBCP Classloading Issue

  - by Saul

  I inherited some code that is using the Apache commons-dbcp Connection pools in an OSGi bundle. This code works fine with Eclipse/Equinox OSGi version 3.4.3 (R34x_v20081215), commons-dbcp 1.2.2 and the postgres jdbc3 8.3.603 bundles from springsource.org. I wanted to modernize, maybe this was my first mistake! When I use the new version of Felix or Equinox OSGI Cores with the new postgresql JDBC3 or JDBC4 bundles along with the latest version of commons-dbcp (1.4.1), I am getting a classloading issue. I have done numerous searches and found that the commons-dbcp code should have a fix DBCP-214, but it still seems to fail. I have tried to put the org.postgresql on the commons-dbcp MANIFEST.MF import-package line, but that did not work either. I wrote a simple test in an activator that first does a basic class.forName() and DriverManager.getConnection(), this works fine, but when I add in BasicDataSource() and setup the connection with BasicDataSource.getConnection(), I get the ClassNotFoundException. See the code example below. Thanks in Advance for any help, suggestions, ... Sau! // This one fails with an exception public void dsTest() { BasicDataSource bds = new BasicDataSource(); ClassLoader cl; try { logger.debug("ContextClassLoader: {}", Thread.currentThread().getContextClassLoader().toString()); cl = this.getClass().getClassLoader(); logger.debug("ClassLoader: {}", cl); if (bds.getDriverClassLoader() != null) { logger.debug(bds.getDriverClassLoader().toString()); } // The failure is the same with and with the setDriverClassLoader() line bds.setDriverClassLoader(cl); bds.setDriverClassName("org.postgresql.Driver"); bds.setUrl("jdbc:postgresql://127.0.0.1/dbname"); bds.setUsername("user"); bds.setPassword("pword"); Class.forName("org.postgresql.Driver").newInstance(); conn = bds.getConnection(); Statement st = conn.createStatement(); ResultSet rs = st.executeQuery("SELECT COUNT(*) FROM table"); conn.close(); logger.debug("Closed DataSource Test"); } catch (Exception ex) { ex.printStackTrace(); logger.debug("Exception: {} ", ex.getMessage()); } } // This one works public void managerTest() { ClassLoader cl; try { cl = this.getClass().getClassLoader(); logger.debug("ClassLoader: {}", cl); Class.forName("org.postgresql.Driver").newInstance(); String url = "jdbc:postgresql://127.0.0.1/dbname"; conn = DriverManager.getConnection(url, "user", "pword"); Statement st = conn.createStatement(); ResultSet rs = st.executeQuery("SELECT COUNT(*) FROM table"); conn.close(); logger.debug("Closed Manger Test"); } catch (Exception ex) { ex.printStackTrace(); logger.debug("Exception: {} ", ex.getMessage()); } }

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• NSString drawAtPoint Crash on the iPhone (NSString drawAtPoint)

  - by Kyle

  Hey. I have a very simple text output to buffer system which will crash randomly. It will be fine for DAYS, then sometimes it'll crash a few times in a few minutes. The callstack is almost exactly the same for other guys who use higher level controls: http://discussions.apple.com/thread.jspa?messageID=7949746 http://stackoverflow.com/questions/1978997/iphone-app-crashed-assertion-failed-function-evictglyphentryfromstrike-file It crashes at the line (below as well in drawTextToBuffer()): [nsString drawAtPoint:CGPointMake(0, 0) withFont:clFont]; I have the same call of "evict_glyph_entry_from_cache" with the abort calls immediately following it. Apparently it happens to other people. I can say that my NSString* is perfectly fine at the time of the crash. I can read the text from the debugger just fine. static CGColorSpaceRef curColorSpace; static CGContextRef myContext; static float w, h; static int iFontSize; static NSString* sFontName; static UIFont* clFont; static int iLineHeight; unsigned long* txb; /* 256x256x4 Buffer */ void selectFont(int iSize, NSString* sFont) { iFontSize = iSize; clFont = [UIFont fontWithName:sFont size:iFontSize]; iLineHeight = (int)(ceil([clFont capHeight])); } void initText() { w = 256; h = 256; txb = (unsigned long*)malloc_(w * h * 4); curColorSpace = CGColorSpaceCreateDeviceRGB(); myContext = CGBitmapContextCreate(txb, w, h, 8, w * 4, curColorSpace, kCGImageAlphaPremultipliedLast); selectFont(12, @"Helvetica"); } void drawTextToBuffer(NSString* nsString) { CGContextSaveGState(myContext); CGContextSetRGBFillColor(myContext, 1, 1, 1, 1); UIGraphicsPushContext(myContext); /* This line will crash. It crashes even with constant Strings.. At the time of the crash, the pointer to nsString is perfectly fine. The data looks fine! */ [nsString drawAtPoint:CGPointMake(0, 0) withFont:clFont]; UIGraphicsPopContext(); CGContextRestoreGState(myContext); } It will happen with other non-unicode supporting methods as well such as CGContextShowTextAtPoint(); the callstack is similar with that as well. Is this any kind of known issue with the iPhone? Or, perhaps, can something outside of this cause be causing an exception in this particular call (drawAtPoint)?

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• Android -- autoLink

  - by Ryan

  Is there any way to Linkify a specific TextView that is contained within a ListView? I tried using android:autoLink="all" but that didn't work. I was getting an out of context error. Important also to note: the ListView is my second view in the ViewFlipper. I have also tried: View mItemView = mAdapter.getView(2, null, null); TextView infoText = (TextView) mItemView.findViewById(R.id.rowText2); Linkify.addLinks(infoText, Linkify.ALL); Right after the adapter was bound to the ListView and the View was switched. No luck. Here is the stack trace: 06-03 21:19:25.180: ERROR/AndroidRuntime(1214): Uncaught handler: thread main exiting due to uncaught exception 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): android.util.AndroidRuntimeException: Calling startActivity() from outside of an Activity context requires the FLAG_ACTIVITY_NEW_TASK flag. Is this really what you want? 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.app.ApplicationContext.startActivity(ApplicationContext.java:550) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.content.ContextWrapper.startActivity(ContextWrapper.java:248) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.text.style.URLSpan.onClick(URLSpan.java:62) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.text.method.LinkMovementMethod.onTouchEvent(LinkMovementMethod.java:216) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.widget.TextView.onTouchEvent(TextView.java:6560) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.view.View.dispatchTouchEvent(View.java:3709) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1659) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1107) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.app.Activity.dispatchTouchEvent(Activity.java:2061) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1643) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.view.ViewRoot.handleMessage(ViewRoot.java:1691) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.os.Handler.dispatchMessage(Handler.java:99) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.os.Looper.loop(Looper.java:123) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at android.app.ActivityThread.main(ActivityThread.java:4363) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at java.lang.reflect.Method.invokeNative(Native Method) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at java.lang.reflect.Method.invoke(Method.java:521) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 06-03 21:19:25.219: ERROR/AndroidRuntime(1214): at dalvik.system.NativeStart.main(Native Method) Any Ideas? Thanks in advance!!!

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• How to send audio stream via UDP in java?

  - by Nob Venoda

  Hi to all :) I have a problem, i have set MediaLocator to microphone input, and then created Player. I need to grab that sound from the microphone, encode it to some lower quality stream, and send it as a datagram packet via UDP. Here's the code, i found most of it online and adapted it to my app: public class AudioSender extends Thread { private MediaLocator ml = new MediaLocator("javasound://44100"); private DatagramSocket socket; private boolean transmitting; private Player player; TargetDataLine mic; byte[] buffer; private AudioFormat format; private DatagramSocket datagramSocket(){ try { return new DatagramSocket(); } catch (SocketException ex) { return null; } } private void startMic() { try { format = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, 8000.0F, 16, 2, 4, 8000.0F, true); DataLine.Info info = new DataLine.Info(TargetDataLine.class, format); mic = (TargetDataLine) AudioSystem.getLine(info); mic.open(format); mic.start(); buffer = new byte[1024]; } catch (LineUnavailableException ex) { Logger.getLogger(AudioSender.class.getName()).log(Level.SEVERE, null, ex); } } private Player createPlayer() { try { return Manager.createRealizedPlayer(ml); } catch (IOException ex) { return null; } catch (NoPlayerException ex) { return null; } catch (CannotRealizeException ex) { return null; } } private void send() { try { mic.read(buffer, 0, 1024); DatagramPacket packet = new DatagramPacket( buffer, buffer.length, InetAddress.getByName(Util.getRemoteIP()), 91); socket.send(packet); } catch (IOException ex) { Logger.getLogger(AudioSender.class.getName()).log(Level.SEVERE, null, ex); } } @Override public void run() { player = createPlayer(); player.start(); socket = datagramSocket(); transmitting = true; startMic(); while (transmitting) { send(); } } public static void main(String[] args) { AudioSender as = new AudioSender(); as.start(); } } And only thing that happens when I run the receiver class, is me hearing this Player from the sender class. And I cant seem to see the connection between TargetDataLine and Player. Basically, I need to get the sound form player, and somehow convert it to bytes[], therefore I can sent it as datagram. Any ideas? Everything is acceptable, as long as it works :)

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• How to compile jsoup through Ant?

  - by JackWM

  I tried to use Ant to compile the jsoup source. I can compile successfully, but cannot pass the test. Here is the process: jsoup version: 1.6.3 ; Ant version: 1.8.2 the source of jsoup is in the directory src/ I made a build file src/build.xml This file contains <project name="jsoup"> <target name="compile"> <mkdir dir="build/classes"/> <javac srcdir="src" destdir="build/classes" includeantruntime="false"/> </target> <target name="jar"> <mkdir dir="build/jar"/> <jar destfile="build/jar/jsoup.jar" basedir="build/classes"> <manifest> <attribute name="Main-Class" value="StateTrace"/> </manifest> </jar> </target> <target name="run"> <!--<java jar="build/jar/jsoup.jar" input="htmls/index.html" fork="true"/>--> <exec executable="java"> <arg value="-jar"/> <arg value="build/jar/jsoup.jar"/> <arg value="htmls/index.html"/> </exec> </target> </project> Note: 1. StateTrace.java is my own test program; 2. htmls/index.html is the input to StateTrace.java. Then I compile and run it with Ant: > ant compile > ant jar > ant run After this, I got err like: run: [exec] Exception in thread "main" java.lang.ExceptionInInitializerError [exec] at org.jsoup.nodes.Entities$EscapeMode.<clinit>(Unknown Source) [exec] at org.jsoup.nodes.Document$OutputSettings.<init>(Unknown Source) [exec] at org.jsoup.nodes.Document.<init>(Unknown Source) [exec] at org.jsoup.parser.TreeBuilder.initialiseParse(Unknown Source) [exec] at org.jsoup.parser.TreeBuilder.parse(Unknown Source) [exec] at org.jsoup.parser.HtmlTreeBuilder.parse(Unknown Source) [exec] at org.jsoup.parser.Parser.parse(Unknown Source) [exec] at org.jsoup.Jsoup.parse(Unknown Source) [exec] at StateTrace.main(Unknown Source) [exec] Caused by: java.lang.NullPointerException [exec] at java.util.Properties$LineReader.readLine(Properties.java:418) [exec] at java.util.Properties.load0(Properties.java:337) [exec] at java.util.Properties.load(Properties.java:325) [exec] at org.jsoup.nodes.Entities.loadEntities(Unknown Source) [exec] at org.jsoup.nodes.Entities.<clinit>(Unknown Source) [exec] ... 9 more [exec] Result: 1 BUILD SUCCESSFUL Total time: 0 seconds However, if I manually compiled all the java source, like javac src/org/jsoup/*.java src/org/jsoup/parser/*.java src/org/jsoup/examples/*.java src/org/jsoup/nodes/*.java src/org/jsoup/safety/*.java src/org/jsoup/select/*.java src/org/jsoup/helper/*.java I could compile successfully and pass my test. Any clue? Thanks!

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• Android Gallery View Update Images

  - by xger86x

  Hi, i have a question about using GalleryView. At first, i set five "default images" to show from drawable directory. But after, i want to run an Async Task in which i download the images, save them and show them in the gallery. For that i created the following Adapter: public class ImageAdapter extends BaseAdapter { int mGalleryItemBackground; private Context mContext; private ArrayList<Integer> mImageIds = new ArrayList<Integer>(); private ArrayList<Drawable> mImageDrawables = new ArrayList<Drawable>(); public ImageAdapter(Context c) { mContext = c; TypedArray a = obtainStyledAttributes(R.styleable.Gallery1); mGalleryItemBackground = a.getResourceId( R.styleable.Gallery1_android_galleryItemBackground, 0); a.recycle(); } public void setPlaces(int count) { for (int i = 0; i < count; i++) { mImageIds.add(R.drawable.tournoimg); mImageDrawables.add(null); } } public void setDrawable(String resource, int position) { Drawable image = Drawable.createFromPath(resource); mImageDrawables.add(position, image); } public int getCount() { return mImageIds.size(); } public Object getItem(int position) { return position; } public long getItemId(int position) { return position; } public View getView(int position, View convertView, ViewGroup parent) { ImageView i = new ImageView(mContext); if (mImageDrawables.get(position) == null) i.setImageResource(mImageIds.get(position)); else i.setImageDrawable(mImageDrawables.get(position)); i.setLayoutParams(new Gallery.LayoutParams(60, 78)); i.setScaleType(ImageView.ScaleType.FIT_XY); i.setBackgroundResource(mGalleryItemBackground); return i; } } } and the following Async Task private class FillImages extends AsyncTask<ArrayList<Place>, Void, Void> { protected Void doInBackground(ArrayList<Place>... listplaces) { ArrayList<Place> places = listplaces[0]; Iterator<Place> it = places.iterator(); int position = 0; while (it.hasNext()) { Place p = it.next(); saveImage(p.getImage(), p.getURLImage()); // Gallery g = (Gallery) findViewById(R.id.gallery); mImageAdapter.setDrawable(p.getImage(), position); position++; mImageAdapter.notifyDataSetChanged(); } return (null); } But when i run it i have this error: Caused by: android.view.ViewRoot$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views. Any idea? Thanks

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• Delphi Pascal - Using SetFilePointerEx and GetFileSizeEx, Getting Physical Media exact size when reading as a file

  - by SuicideClutchX2

  I am having trouble understanding how to delcare GetFileSizeEx and SetFilePointerEx in Delphi 2009 so that I can use them since they are not in the RTL or Windows.pas. I was able to compile with the following: function GetFileSizeEx(hFile: THandle; lpFileSizeHigh: Pointer): DWORD; external 'kernel32'; Then using GetFileSizeEx(PD, Pointer(DriveSize)); to get the size. But could not get it to work, the disk handle I am using is valid and I have had no problem reading the data or working under the 2gb mark with the older API's. GetFileSize of course returns 4294967295. I have had greater trouble trying to use SetFilePointerEx with the data types it uses. The overall project needs to read the data from a flash card, which is not a problem at all I can do this. My problem is that I can not find the length or size of the media I will be reading. I have code I have used in the past to do this with media under 2GB. But now that I need to read media over 2GB it is a problem. If you still dont understand I am dumping a card with all data including the boot record, etc. This is the code I would normally use to read from the physical disk to grab say the boot record and dump it to file: SetFilePointer(PD,0,nil,FILE_BEGIN); SetLength(Buffer,512); ReadFile(PD,Buffer[0],512,BytesReturned,nil); I just need to figure out how to find the end of an 8gb card and so on as well as being able to set a file pointer beyond the 2gb barrier. I guess any help in the external declarations as well as understand the values that SetFilePointerEx uses (I do not understand the whole High Low thing) would be of great help. var Form1: TForm1; function GetFileSizeEx(hFile: THandle; var FileSize: Int64): DWORD; stdcall; external 'kernel32'; implementation {$R *.dfm} function GetLD(Drive: Char): Cardinal; var Buffer : String; begin Buffer := Format('\\.\%s:',[Drive]); Result := CreateFile(PChar(Buffer),GENERIC_READ Or GENERIC_WRITE,FILE_SHARE_READ,nil,OPEN_EXISTING,0,0); If Result = INVALID_HANDLE_VALUE Then begin Result := CreateFile(PChar(Buffer),GENERIC_READ,FILE_SHARE_READ,nil,OPEN_EXISTING,0,0); end; end; function GetPD(Drive: Byte): Cardinal; var Buffer : String; begin If Drive = 0 Then begin Result := INVALID_HANDLE_VALUE; Exit; end; Buffer := Format('\\.\PHYSICALDRIVE%d',[Drive]); Result := CreateFile(PChar(Buffer),GENERIC_READ Or GENERIC_WRITE,FILE_SHARE_READ,nil,OPEN_EXISTING,0,0); If Result = INVALID_HANDLE_VALUE Then begin Result := CreateFile(PChar(Buffer),GENERIC_READ,FILE_SHARE_READ,nil,OPEN_EXISTING,0,0); end; end; function GetPhysicalDiskNumber(Drive: Char): Byte; var LD : DWORD; DiskExtents : PVolumeDiskExtents; DiskExtent : TDiskExtent; BytesReturned : Cardinal; begin Result := 0; LD := GetLD(Drive); If LD = INVALID_HANDLE_VALUE Then Exit; Try DiskExtents := AllocMem(Max_Path); DeviceIOControl(LD,IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS,nil,0,DiskExtents,Max_Path,BytesReturned,nil); If DiskExtents^.NumberOfDiskExtents > 0 Then begin DiskExtent := DiskExtents^.Extents[0]; Result := DiskExtent.DiskNumber; end; Finally CloseHandle(LD); end; end; procedure TForm1.Button1Click(Sender: TObject); var PD : DWORD; BytesReturned : Cardinal; Buffer : Array Of Byte; myFile: File; DriveSize: Int64; begin PD := GetPD(GetPhysicalDiskNumber(Edit1.Text[1])); If PD = INVALID_HANDLE_VALUE Then Exit; Try GetFileSizeEx(PD, DriveSize); //SetFilePointer(PD,0,nil,FILE_BEGIN); //etLength(Buffer,512); //ZeroMemory(@Buffer,SizeOf(Buffer)); //ReadFile(PD,Buffer[0],512,BytesReturned,nil); //AssignFile(myFile, 'StickDump.bin'); //ReWrite(myFile, 512); //BlockWrite(myFile, Buffer[0], 1); //CloseFile(myFile); Finally CloseHandle(PD); End; end;

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• Import problem with PyCrypto in Jython

  - by Arg

  Hello, I am currently trying to get python bittorrent tracker running inside of jython and i encountered this problem: the tracker uses PyCrypto library which i compiled for my platform and added into the python path. When i try to run code, however, i get following error: Exception in thread "MainThread" Traceback (most recent call last): File "./python_dep/BitTorrent-5.2.2/bittorrent-tracker.py", line 21, in <module> from BitTorrent.track import track File "./python_dep/BitTorrent-5.2.2/BitTorrent/track.py", line 50, in <module> from BitTorrent.UI import Size File "./python_dep/BitTorrent-5.2.2/BitTorrent/UI.py", line 37, in <module> from BitTorrent.MultiTorrent import UnknownInfohash, TorrentAlreadyInQueue, TorrentAlreadyRunning, TorrentNotRunning File "./python_dep/BitTorrent-5.2.2/BitTorrent/MultiTorrent.py", line 25, in <module> from BitTorrent.Torrent import Feedback, Torrent File "./python_dep/BitTorrent-5.2.2/BitTorrent/Torrent.py", line 32, in <module> from BitTorrent.ConnectionManager import ConnectionManager File "./python_dep/BitTorrent-5.2.2/BitTorrent/ConnectionManager.py", line 22, in <module> from BitTorrent.Connector import Connector File "./python_dep/BitTorrent-5.2.2/BitTorrent/Connector.py", line 27, in <module> from Crypto.Cipher import ARC4 ImportError: cannot import name ARC4 Java Result: 1 I am pretty sure that the library is in the python path, because command import Crypto.Cipher works, while from Crypto.Cipher import ARC4 does not. The java code i run looks like this: package jythTest; import org.python.util.PythonInterpreter; public class Main { public static void main(String[] args) { PythonInterpreter pythonInterpreter = new PythonInterpreter(); pythonInterpreter.exec("import sys"); pythonInterpreter.exec("sys.path.append(\"./python_dep/BitTorrent-5.2.2/\")"); pythonInterpreter.exec("sys.path.append(\"./python_dep/Twisted-10.0.0/\")"); pythonInterpreter.exec("sys.path.append(\"./python_dep/Zope-3.4.0/build/lib.linux-i686-2.6\")"); pythonInterpreter.exec("sys.path.append(\"./python_dep\")"); pythonInterpreter.exec("sys.path.append(\"./python_dep/pycrypto-2.0.1/build/lib.linux-i686-2.6\")"); pythonInterpreter.exec("sys.path.append(\"import Crypto.Cipher\")"); //pythonInterpreter.exec("print sys.path"); pythonInterpreter.execfile("./python_dep/BitTorrent-5.2.2/bittorrent-tracker.py"); } } Thanks in advance to anyone who could provide any kind of help.

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• QueryInterface fails at casting inside COM-interface implementation

  - by brecht

  I am creating a tool in c# to retrieve messages of a CAN-network (network in a car) using an Dll written in C/C++. This dll is usable as a COM-interface. My c#-formclass implements one of these COM-interfaces. And other variables are instantiated using these COM-interfaces (everything works perfect). The problem: The interface my C#-form implements has 3 abstract functions. One of these functions is called -by the dll- and i need to implement it myself. In this function i wish to retrieve a property of a form-wide variable that is of a COM-type. The COM library is CANSUPPORTLib The form-wide variable: private CANSUPPORTLib.ICanIOEx devices = new CANSUPPORTLib.CanIO(); This variable is also form-wide and is retrieved via the devices-variable: canreceiver = (CANSUPPORTLib.IDirectCAN2)devices.get_DirectDispatch(receiverLogicalChannel); The function that is called by the dll and implemented in c# public void Message(double dTimeStamp) { Console.WriteLine("!!! message ontvangen !!!" + Environment.NewLine); try { CANSUPPORTLib.can_msg_tag message = new CANSUPPORTLib.can_msg_tag(); message = (CANSUPPORTLib.can_msg_tag) System.Runtime.InteropServices.Marshal.PtrToStructure(canreceiver.RawMessage, message.GetType()); for (int i = 0; i < message.data.Length; i++) { Console.WriteLine("byte " + i + ": " + message.data[i]); } } catch (Exception e) { Console.WriteLine(e.Message); } } The error rises at this line: message = (CANSUPPORTLib.can_msg_tag)System.Runtime.InteropServices.Marshal.PtrToStructure(canreceiver.RawMessage, message.GetType()); Error: Unable to cast COM object of type 'System.__ComObject' to interface type 'CANSUPPORTLib.IDirectCAN2'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{33373EFC-DB42-48C4-A719-3730B7F228B5}' failed due to the following error: No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE)). Notes: It is possible to have a timer-clock that checks every 100ms for the message i need. The message is then retrieved in the exact same way as i do now. This timer is started when the form starts. The checking is only done when Message(double) has put a variable to true (a message arrived). When the timer-clock is started in the Message function, i have the same error as above Starting another thread when the form starts, is also not possible. Is there someone with experience with COM-interop ? When this timer

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• realtime logging

  - by Ion Todirel

  I have an application which has a loop, part of a "Scheduler", which runs at all time and is the heart of the application. Pretty much like a game loop, just that my application is a WPF application and it's not a game. Naturally the application does logging at many points, but the Scheduler does some sensitive monitoring, and sometimes it's impossible just from the logs to tell what may have gotten wrong (and by wrong I don't mean exceptions) or the current status. Because Scheduler's inner loop runs at short intervals, you can't do file I/O-based logging (or using the Event Viewer) in there. First, you need to watch it in real-time, and secondly the log file would grow in size very fast. So I was thinking of ways to show this data to the user in the realtime, some things I considered: Display the data in realtime in the UI Use AllocConsole/WriteConsole to display this information in a console Use a different console application which would display this information, communicate between the Scheduler and the console app using pipes or other IPC techniques Use Windows' Performance Monitor and somehow feed it with this information ETW Displaying in the UI would have its issues. First it doesn't integrate with the UI I had in mind for my application, and I don't want to complicate the UI just for this. This diagnostics would only happen rarely. Secondly, there is going to be some non-trivial data protection, as the Scheduler has it's own thread. A separate console window would work probably, but I'm still worried if it's not too much threshold. Allocating my own console, as this is a windows app, would probably be better than a different console application (3), as I don't need to worry about IPC communication, and non-blocking communication. However a user could close the console I allocated, and it would be problematic in that case. With a separate process you don't have to worry about it. Assuming there is an API for Performance Monitor, it wouldn't be integrated too well with my app or apparent to the users. Using ETW also doesn't solve anything, just a random idea, I still need to display this information somehow. What others think, would there be other ways I missed?

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• Error when compiling code with the Protege API

  - by Anto

  I am new to Protege API and I have just created on Eclipse a small application which uses an external OWL file. Also I did import all the necessary libraries. import java.util.Collection; import java.util.Iterator; import edu.stanford.smi.protege.exception.OntologyLoadException; import edu.stanford.smi.protegex.owl.ProtegeOWL; import edu.stanford.smi.protegex.owl.model.*; public class Trial { public static void main(String[] args) throws OntologyLoadException{ String uri = "C:/Documents and Settings/Anto/Desktop/travel.owl"; OWLModel owlModel = ProtegeOWL.createJenaOWLModelFromURI(uri); Collection classes = owlModel.getUserDefinedOWLNamedClasses(); for(Iterator it = classes.iterator(); it.hasNext();){ OWLNamedClass cls = (OWLNamedClass) it.next(); Collection instances = cls.getInstances(false); System.out.println("Class " + cls.getBrowserText()+ " (" + instances.size()+")"); for(Iterator jt = instances.iterator(); jt.hasNext();){ OWLIndividual individual = (OWLIndividual) jt.next(); System.out.println(" - "+ individual.getBrowserText()); } } } } When I do compile however I get the following errors: WARNING: [Local Folder Repository] The specified file must be a directory. (C:\Documents and Settings\Anto\My Documents\Eclipse Workspace\ProtegeTrial\plugins\edu.stanford.smi.protegex.owl) LocalFolderRepository.update() SEVERE: Exception caught -- java.net.URISyntaxException: Illegal character in path at index 12: C:/Documents and Settings/CiuffreA/Desktop/travel.owl at java.net.URI$Parser.fail(URI.java:2809) at java.net.URI$Parser.checkChars(URI.java:2982) at java.net.URI$Parser.parseHierarchical(URI.java:3066) at java.net.URI$Parser.parse(URI.java:3014) at java.net.URI.<init>(URI.java:578) at edu.stanford.smi.protegex.owl.jena.JenaKnowledgeBaseFactory.getFileURI(Unknown Source) at edu.stanford.smi.protegex.owl.jena.JenaKnowledgeBaseFactory.loadKnowledgeBase(Unknown Source) at edu.stanford.smi.protege.model.Project.loadDomainKB(Unknown Source) at edu.stanford.smi.protege.model.Project.createDomainKnowledgeBase(Unknown Source) at edu.stanford.smi.protegex.owl.jena.creator.OwlProjectFromUriCreator.create(Unknown Source) at edu.stanford.smi.protegex.owl.ProtegeOWL.createJenaOWLModelFromURI(Unknown Source) at Trial.main(Trial.java:14) Exception in thread "main" java.lang.NullPointerException at edu.stanford.smi.protegex.owl.jena.JenaKnowledgeBaseFactory.loadKnowledgeBase(Unknown Source) at edu.stanford.smi.protege.model.Project.loadDomainKB(Unknown Source) at edu.stanford.smi.protege.model.Project.createDomainKnowledgeBase(Unknown Source) at edu.stanford.smi.protegex.owl.jena.creator.OwlProjectFromUriCreator.create(Unknown Source) at edu.stanford.smi.protegex.owl.ProtegeOWL.createJenaOWLModelFromURI(Unknown Source) at Trial.main(Trial.java:14) Does anyone have an idea on where the problem should be?

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• Injecting generics with Guice

  - by paradigmatic

  I am trying to migrate a small project, replacing some factories with Guice (it is my first Guice trial). However, I am stuck when trying to inject generics. I managed to extract a small toy example with two classes and a module: import com.google.inject.Inject; public class Console<T> { private final StringOutput<T> out; @Inject public Console(StringOutput<T> out) { this.out = out; } public void print(T t) { System.out.println(out.converter(t)); } } public class StringOutput<T> { public String converter(T t) { return t.toString(); } } import com.google.inject.AbstractModule; import com.google.inject.Guice; import com.google.inject.Injector; import com.google.inject.TypeLiteral; public class MyModule extends AbstractModule { @Override protected void configure() { bind(StringOutput.class); bind(Console.class); } public static void main(String[] args) { Injector injector = Guice.createInjector( new MyModule() ); StringOutput<Integer> out = injector.getInstance(StringOutput.class); System.out.println( out.converter(12) ); Console<Double> cons = injector.getInstance(Console.class); cons.print(123.0); } } When I run this example, all I got is: Exception in thread "main" com.google.inject.CreationException: Guice creation errors: 1) playground.StringOutput<T> cannot be used as a key; It is not fully specified. at playground.MyModule.configure(MyModule.java:15) 1 error at com.google.inject.internal.Errors.throwCreationExceptionIfErrorsExist(Errors.java:354) at com.google.inject.InjectorBuilder.initializeStatically(InjectorBuilder.java:152) at com.google.inject.InjectorBuilder.build(InjectorBuilder.java:105) at com.google.inject.Guice.createInjector(Guice.java:92) I tried looking for the error message, but without finding any useful hints. Further on the Guice FAQ I stumble upon a question about how to inject generics. I tried to add the following binding in the configure method: bind(new TypeLiteral<StringOutput<Double>>() {}).toInstance(new StringOutput<Double>()); But without success (same error message). Can someone explain me the error message and provide me some tips ? Thanks.

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