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• Combining HBase and HDFS results in Exception in makeDirOnFileSystem

  - by utrecht

  Introduction An attempt to combine HBase and HDFS results in the following: 2014-06-09 00:15:14,777 WARN org.apache.hadoop.hbase.HBaseFileSystem: Create Dir ectory, retries exhausted 2014-06-09 00:15:14,780 FATAL org.apache.hadoop.hbase.master.HMaster: Unhandled exception. Starting shutdown. java.io.IOException: Exception in makeDirOnFileSystem at org.apache.hadoop.hbase.HBaseFileSystem.makeDirOnFileSystem(HBaseFile System.java:136) at org.apache.hadoop.hbase.master.MasterFileSystem.checkRootDir(MasterFi leSystem.java:428) at org.apache.hadoop.hbase.master.MasterFileSystem.createInitialFileSyst emLayout(MasterFileSystem.java:148) at org.apache.hadoop.hbase.master.MasterFileSystem.<init>(MasterFileSyst em.java:133) at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.j ava:572) at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:432) at java.lang.Thread.run(Thread.java:744) Caused by: org.apache.hadoop.security.AccessControlException: Permission denied: user=hbase, access=WRITE, inode="/":vagrant:supergroup:drwxr-xr-x at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPe rmissionChecker.java:224) at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPe rmissionChecker.java:204) at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermi ssion(FSPermissionChecker.java:149) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(F SNamesystem.java:4891) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(F SNamesystem.java:4873) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkAncestorAcce ss(FSNamesystem.java:4847) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirsInternal(FS Namesystem.java:3192) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirsInt(FSNames ystem.java:3156) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesyst em.java:3137) at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameN odeRpcServer.java:669) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTra nslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:419) at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$Cl ientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:4497 0) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.cal l(ProtobufRpcEngine.java:453) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1002) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1752) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1748) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInforma tion.java:1438) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1746) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstruct orAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingC onstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:408) at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteExce ption.java:90) at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteExc eption.java:57) at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:2153) at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:2122) at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSy stem.java:545) at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:1915) at org.apache.hadoop.hbase.HBaseFileSystem.makeDirOnFileSystem(HBaseFile System.java:129) ... 6 more while configuration and system settings are as follows: [vagrant@localhost hadoop-hdfs]$ hadoop fs -ls hdfs://localhost/ Found 1 items -rw-r--r-- 3 vagrant supergroup 1010827264 2014-06-08 19:01 hdfs://localhost/u buntu-14.04-desktop-amd64.iso [vagrant@localhost hadoop-hdfs]$ /etc/hadoop/conf/core-site.xml <configuration> <property> <name>fs.defaultFS</name> <value>hdfs://localhost:8020</value> </property> </configuration> /etc/hbase/conf/hbase-site.xml <configuration> <property> <name>hbase.rootdir</name> <value>hdfs://localhost:8020/hbase</value> </property> <property> <name>hbase.cluster.distributed</name> <value>true</value> </property> </configuration> /etc/hadoop/conf/hdfs-site.xml <configuration> <property> <name>dfs.name.dir</name> <value>/var/lib/hadoop-hdfs/cache</value> </property> <property> <name>dfs.data.dir</name> <value>/tmp/hellodatanode</value> </property> </configuration> NameNode directory permissions [vagrant@localhost hadoop-hdfs]$ ls -ltr /var/lib/hadoop-hdfs/cache total 8 -rwxrwxrwx. 1 hbase hdfs 15 Jun 8 23:43 in_use.lock drwxrwxrwx. 2 hbase hdfs 4096 Jun 8 23:43 current [vagrant@localhost hadoop-hdfs]$ HMaster is able to start if fs.defaultFS property has been commented in core-site.xml NameNode is listening [vagrant@localhost hadoop-hdfs]$ netstat -nato | grep 50070 tcp 0 0 0.0.0.0:50070 0.0.0.0:* LIST EN off (0.00/0/0) tcp 0 0 33.33.33.33:50070 33.33.33.1:57493 ESTA BLISHED off (0.00/0/0) and accessible by navigating to http://33.33.33.33:50070/dfshealth.jsp. Question How to solve makeDirOnFileSystem exception and let HBase connect to HDFS?

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• Cannot Create New Team Project TFS2010 TF249063 TF218017

  - by Kodicus

  Server: Windows 2008 R2 Standard Team Foundation Server 2010 WSS 3.0 TFS Configuration: Single Server instalation (including SharePoint) The following error occurs when trying to create a new team project from my local machine. The ://sourcecontrol site and ://sourcecontrol/sites/DefaultCollection/ site appears to be functioning fine and my user is a Site collection administrator on both. I can navigate both sites through a browser on my local machine. Thanks for your help! 2010-04-23T10:01:42 | Module: Internal | Team Foundation Server proxy retrieved | Completion time: 0 seconds 2010-04-23T10:01:42 | Module: Wizard | Retrieved IAuthorizationService proxy | Completion time: 0 seconds 2010-04-23T10:01:42 | Module: Wizard | TF30227: Project creation permissions retrieved | Completion time: 0.109382 seconds 2010-04-23T10:01:42 | Module: Internal | The template information for Team Foundation Server "sourcecontrol\DefaultCollection" was retrieved from the Team Foundation Server. | Completion time: 0.15626 seconds ---begin Exception entry--- Time: 2010-04-23T10:03:24 Module: Wizard Exception Message: TF218017: A SharePoint site could not be created for use as the team project portal. The following error occurred: TF249063: The following Web service is not available: ://sourcecontrol/_vti_bin/TeamFoundationIntegrationService.asmx. This Web service is used for the Team Foundation Server Extensions for SharePoint Products. The underlying error is: The underlying connection was closed: A connection that was expected to be kept alive was closed by the server.. Verify that the following URL points to a valid SharePoint Web application and that the application is available: ://sourcecontrol. If the URL is correct and the Web application is operating normally, verify that a firewall is not blocking access to the Web application. (type TeamFoundationServerException) Exception Stack Trace: at Microsoft.VisualStudio.TeamFoundation.WssSiteCreator.CheckCreateSite(TfsTeamProjectCollection tfsServer, Uri adminUri, Uri siteUri) at Microsoft.VisualStudio.TeamFoundation.WssSiteCreator.ValidateSettings(ProjectCreationContext context) at Microsoft.VisualStudio.TeamFoundation.PortfolioProjectForm.OnFinish() Inner Exception Details: Exception Message: TF249063: The following Web service is not available: ://sourcecontrol/_vti_bin/TeamFoundationIntegrationService.asmx. This Web service is used for the Team Foundation Server Extensions for SharePoint Products. The underlying error is: The underlying connection was closed: A connection that was expected to be kept alive was closed by the server.. Verify that the following URL points to a valid SharePoint Web application and that the application is available: ://sourcecontrol. If the URL is correct and the Web application is operating normally, verify that a firewall is not blocking access to the Web application. (type TeamFoundationServiceUnavailableException) Exception Stack Trace: at Microsoft.TeamFoundation.Client.SharePoint.SharePointTeamFoundationIntegrationService.HandleException(Exception e) at Microsoft.TeamFoundation.Client.SharePoint.SharePointTeamFoundationIntegrationService.CheckUrl(String absolutePath, CheckUrlOptions options, Guid configurationServerId, Guid projectCollectionId) at Microsoft.TeamFoundation.Client.SharePoint.WssUtilities.CheckUrl(ICredentials credentials, Uri adminUrl, Uri siteUrl, CheckUrlOptions options, Guid configurationServerId, Guid projectCollectionId) at Microsoft.TeamFoundation.Client.SharePoint.WssUtilities.CheckCreateSite(TfsConnection tfs, Uri adminUrl, Uri siteUrl) at Microsoft.VisualStudio.TeamFoundation.WssSiteCreator.CheckCreateSite(TfsTeamProjectCollection tfsServer, Uri adminUri, Uri siteUri) Inner Exception Details: Exception Message: The underlying connection was closed: A connection that was expected to be kept alive was closed by the server. (type WebException) Exception Stack Trace: at System.Net.WebRequest.GetResponse() at Microsoft.TeamFoundation.Client.TeamFoundationClientProxyBase.AsyncWebRequest.ExecRequest(Object obj) Inner Exception Details: Exception Message: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host. (type IOException) Exception Stack Trace: at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size) at System.Net.PooledStream.Read(Byte[] buffer, Int32 offset, Int32 size) at System.Net.Connection.SyncRead(WebRequest request, Boolean userRetrievedStream, Boolean probeRead) Inner Exception Details: Exception Message: An existing connection was forcibly closed by the remote host (type SocketException) Exception Stack Trace: at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags) at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size) --- end Exception entry ---

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• "Unable to read data from the transport connection: net_io_connectionclosed." - Windows Vista Busine

  - by John DaCosta

  Unable to test sending email from .NET code in Windows Vista Business. I am writing code which I will migrate to an SSIS Package once it its proven. The code is to send an error message via email to a list of recipients. The code is below, however I am getting an exception when I execute the code. I created a simple class to do the mailing... the design could be better, I am testing functionality before implementing more robust functionality, methods, etc. namespace LabDemos { class Program { static void Main(string[] args) { Mailer m = new Mailer(); m.test(); } } } namespace LabDemos { class MyMailer { List<string> _to = new List<string>(); List<string> _cc = new List<string>(); List<string> _bcc = new List<string>(); String _msgFrom = ""; String _msgSubject = ""; String _msgBody = ""; public void test(){ //create the mail message MailMessage mail = new MailMessage(); //set the addresses mail.From = new MailAddress("[email protected]"); //set the content mail.Subject = "This is an email"; mail.Body = "this is a sample body"; mail.IsBodyHtml = false; //send the message SmtpClient smtp = new SmtpClient(); smtp.Host = "emailservername"; smtp.Port = 25; smtp.UseDefaultCredentials = true; smtp.Send(mail); } } Exception Message Inner Exception {"Unable to read data from the transport connection: net_io_connectionclosed."} Stack Trace " at System.Net.Mail.SmtpReplyReaderFactory.ProcessRead(Byte[] buffer, Int32 offset, Int32 read, Boolean readLine)\r\n at System.Net.Mail.SmtpReplyReaderFactory.ReadLines(SmtpReplyReader caller, Boolean oneLine)\r\n at System.Net.Mail.SmtpReplyReaderFactory.ReadLine(SmtpReplyReader caller)\r\n at System.Net.Mail.SmtpConnection.GetConnection(String host, Int32 port)\r\n at System.Net.Mail.SmtpTransport.GetConnection(String host, Int32 port)\r\n at System.Net.Mail.SmtpClient.GetConnection()\r\n at System.Net.Mail.SmtpClient.Send(MailMessage message)" Outer Exception System.Net.Mail.SmtpException was unhandled Message="Failure sending mail." Source="System" StackTrace: at System.Net.Mail.SmtpClient.Send(MailMessage message) at LabDemos.Mailer.test() in C:\Users\username\Documents\Visual Studio 2008\Projects\LabDemos\LabDemos\Mailer.cs:line 40 at LabDemos.Program.Main(String[] args) in C:\Users\username\Documents\Visual Studio 2008\Projects\LabDemos\LabDemos\Program.cs:line 48 at System.AppDomain._nExecuteAssembly(Assembly assembly, String[] args) at System.AppDomain.nExecuteAssembly(Assembly assembly, String[] args) at System.Runtime.Hosting.ManifestRunner.Run(Boolean checkAptModel) at System.Runtime.Hosting.ManifestRunner.ExecuteAsAssembly() at System.Runtime.Hosting.ApplicationActivator.CreateInstance(ActivationContext activationContext, String[] activationCustomData) at System.Runtime.Hosting.ApplicationActivator.CreateInstance(ActivationContext activationContext) at System.Activator.CreateInstance(ActivationContext activationContext) at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssemblyDebugInZone() at System.Threading.ThreadHelper.ThreadStart_Context(Object state) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart() InnerException: System.IO.IOException Message="Unable to read data from the transport connection: net_io_connectionclosed." Source="System" StackTrace: at System.Net.Mail.SmtpReplyReaderFactory.ProcessRead(Byte[] buffer, Int32 offset, Int32 read, Boolean readLine) at System.Net.Mail.SmtpReplyReaderFactory.ReadLines(SmtpReplyReader caller, Boolean oneLine) at System.Net.Mail.SmtpReplyReaderFactory.ReadLine(SmtpReplyReader caller) at System.Net.Mail.SmtpConnection.GetConnection(String host, Int32 port) at System.Net.Mail.SmtpTransport.GetConnection(String host, Int32 port) at System.Net.Mail.SmtpClient.GetConnection() at System.Net.Mail.SmtpClient.Send(MailMessage message) InnerException:

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• WCF timeouts are a nightmare

  - by Greg

  We have a bunch of WCF services that work almost all of the time, using various bindings, ports, max sizes, etc. The super-frustrating thing about WCF is that when it (rarely) fails, we are powerless to find out why it failed. Sometimes you will get a message that looks like this: System.ServiceModel.CommunicationException: The socket connection was aborted. This could be caused by an error processing your message or a receive timeout being exceeded by the remote host, or an underlying network resource issue. Local socket timeout was '01:00:00'. --- System.IO.IOException: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host. The problem is that the local socket timeout it's giving you is merely an attempt to be convenient. It may or may not be the cause of the problem. But OK, sometimes networks have issues. No big deal. We can retry or something. But here's the huge problem. On top of failing to tell you which precisely which timeout (if any) resulted in the failure ("your server-side receive timeout was exceeded," or something, would be helpful), WCF seems to have two types of timeouts. Timeout Type #1) A timeout, that, if increased, would increase the chance of your operation's success. So, the pertinent timeout is an hour, you are uploading a huge file that will take an hour and twenty minutes. It fails. You increase the timeout, it succeeds. I have no no problem with this type of timeout. Timeout Type #2) A timeout which merely defines how long you have to wait for the service to actually fail and give you an error, but modifying the value of this timeout has no impact on the chance of success. Basically, something happens during the first second of the service request which mucks things up. It will never recover. WCF doesn't magically retry the network connection for you. Fine, sometimes establishing a network connection doesn't go well. But, if your timeout is 2 hours, you have to wait 2 whole hours with no chance of it ever working before it finally acknowledges that it didn't work and gives you the error. But the error you see in both cases looks the same. With timeout Type #2, it still looks like you are running into a timeout. But, you could increase all of your timeouts to 4 years, and all it would do is make it take 4 years to get an error message. I know that Type #2 exists because I can do an operation that is known to complete in less than a minute when successful, and have it take 2 hours to fail. But, if I kill it and retry, it succeeds quickly. (If you are wondering why there might be a 2 hour timeout on an operation that takes less than a minute, there are times I run the operation with a much larger file and it could take over an hour.) So, to combat the problem with Type #2, you'd want your timeout to be really quick so you immediately know if there is a problem. Then you can retry. But the insurmountable problem is that because I don't know which timeouts are the cause of failure, I don't know what timeouts are Type #1 and which ones are Type #2. There may be one timeout (let's say the client-side send timeout) that acts like Type #1 in some cases and Type #2 in others. I have no idea, and I have no way of finding out. Does anyone know how to track down Type #2 timeouts so I can set them to low values without having to shorten actual (read: Type #1) timeouts and lower the chance of success? Thank you.

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• ASP.net FFMPEG video conversion receiving error: "Error number -2 occurred"

  - by Pete

  Hello, I am attempting to integrate FFMPEG into my asp.net website. The process I am trying to complete is to upload a video, check if it is .avi, .mov, or .wmv and then convert this video into an mp4 using x264 so my flash player can play it. I am using an http handler (ashx) file to handle my upload. This is where I am also putting my conversion code. I am not sure if this is the best place to put it, but I wanted to see if i could at least get it working. Additionally, I was able to complete the conversion manually through cmd line. The error -2 comes up when i output the standard error from the process I executed. This is the error i receive: FFmpeg version SVN-r23001, Copyright (c) 2000-2010 the FFmpeg developers built on May 1 2010 06:06:15 with gcc 4.4.2 configuration: --enable-memalign-hack --cross-prefix=i686-mingw32- --cc=ccache-i686-mingw32-gcc --arch=i686 --target-os=mingw32 --enable-runtime-cpudetect --enable-avisynth --enable-gpl --enable-version3 --enable-bzlib --enable-libgsm --enable-libfaad --enable-pthreads --enable-libvorbis --enable-libtheora --enable-libspeex --enable-libmp3lame --enable-libopenjpeg --enable-libxvid --enable-libschroedinger --enable-libx264 --enable-libopencore_amrwb --enable-libopencore_amrnb libavutil 50.15. 0 / 50.15. 0 libavcodec 52.66. 0 / 52.66. 0 libavformat 52.61. 0 / 52.61. 0 libavdevice 52. 2. 0 / 52. 2. 0 libswscale 0.10. 0 / 0.10. 0 532010_Robotica_720.wmv: Error number -2 occurred here is the code below: <%@ WebHandler Language="VB" Class="upload" %> Imports System Imports System.Web Imports System.IO Imports System.Diagnostics Imports System.Threading Public Class upload : Implements IHttpHandler Public currentTime As System.DateTime Public Sub ProcessRequest(ByVal context As HttpContext) Implements IHttpHandler.ProcessRequest currentTime = System.DateTime.Now If (Not context.Request.Files("Filedata") Is Nothing) Then Dim file As HttpPostedFile : file = context.Request.Files("Filedata") Dim targetDirectory As String : targetDirectory = HttpContext.Current.Server.MapPath(context.Request("folder")) Dim targetFilePath As String : targetFilePath = Path.Combine(targetDirectory, currentTime.Month & currentTime.Day & currentTime.Year & "_" & file.FileName) Dim fileNameArray As String() fileNameArray = Split(file.FileName, ".") If (System.IO.File.Exists(targetFilePath)) Then System.IO.File.Delete(targetFilePath) End If file.SaveAs(targetFilePath) Select Case fileNameArray(UBound(fileNameArray)) Case "avi", "mov", "wmv" Dim fileargs As String = fileargs = "-y -i " & currentTime.Month & currentTime.Day & currentTime.Year & "_" & file.FileName & " -ab 96k -vcodec libx264 -vpre normal -level 41 " fileargs += "-crf 25 -bufsize 20000k -maxrate 25000k -g 250 -r 20 -s 900x506 -coder 1 -flags +loop " fileargs += "-cmp +chroma -partitions +parti4x4+partp8x8+partb8x8 -subq 7 -me_range 16 -keyint_min 25 " fileargs += "-sc_threshold 40 -i_qfactor 0.71 -rc_eq 'blurCplx^(1-qComp)' -bf 16 -b_strategy 1 -bidir_refine 1 " fileargs += "-refs 6 -deblockalpha 0 -deblockbeta 0 -f mp4 " & currentTime.Month & currentTime.Day & currentTime.Year & "_" & file.FileName & ".mp4" Dim proc As New Diagnostics.Process() proc.StartInfo.FileName "ffmpeg.exe" proc.StartInfo.Arguments = fileargs proc.StartInfo.UseShellExecute = False proc.StartInfo.CreateNoWindow = True proc.StartInfo.RedirectStandardOutput = True proc.StartInfo.RedirectStandardError = True AddHandler proc.OutputDataReceived, AddressOf SaveTextToFile proc.Start() SaveTextToFile2(proc.StandardError.ReadToEnd()) proc.WaitForExit() proc.Close() End Select Catch ex As System.IO.IOException Thread.Sleep(2000) GoTo Conversion Finally context.Response.Write("1") End Try End If End Sub Public ReadOnly Property IsReusable() As Boolean Implements IHttpHandler.IsReusable Get Return False End Get End Property Private Shared Sub SaveTextToFile(ByVal sendingProcess As Object, ByVal strData As DataReceivedEventArgs) Dim FullPath As String = "text.txt" Dim Contents As String = "" Dim objReader As StreamWriter objReader = New StreamWriter(FullPath) If Not String.IsNullOrEmpty(strData.Data) Then objReader.Write(Environment.NewLine + strData.Data) End If objReader.Close() End Sub Private Sub SaveTextToFile2(ByVal strData As String) Dim FullPath As String = "texterror.txt" Dim Contents As String = "" Dim objReader As StreamWriter objReader = New StreamWriter(FullPath) objReader.Write(Environment.NewLine + strData) objReader.Close() End Sub End Class

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• Example map-reduce oozie program not working on CDH 4.5

  - by user2002748

  I am using Hadoop (CDH 4.5) on my mac since some time now, and do run map reduce jobs regularly. I installed oozie recently (again, CDH4.5) following instructions at: http://archive.cloudera.com/cdh4/cdh/4/oozie-3.3.2-cdh4.5.0/DG_QuickStart.html, and tried to run sample programs provided. However, it always fails with the following error. Looks like the workflow is not getting run at all. The Console URL field in the Job info is also empty. Could someone please help on this? The relevant snippet of the Oozie Job log follows. 2014-06-10 17:27:18,414 INFO ActionStartXCommand:539 - USER[userXXX] GROUP[-] TOKEN[] APP[map-reduce-wf] JOB[0000000-140610172702069-oozie-usrX-W] ACTION[0000000-140610172702069-oozie-usrX-W@:start:] Start action [0000000-140610172702069-oozie-usrX-W@:start:] with user-retry state : userRetryCount [0], userRetryMax [0], userRetryInterval [10] 2014-06-10 17:27:18,417 WARN ActionStartXCommand:542 - USER[userXXX] GROUP[-] TOKEN[] APP[map-reduce-wf] JOB[0000000-140610172702069-oozie-usrX-W] ACTION[0000000-140610172702069-oozie-usrX-W@:start:] [***0000000-140610172702069-oozie-usrX-W@:start:***]Action status=DONE 2014-06-10 17:27:18,417 WARN ActionStartXCommand:542 - USER[userXXX] GROUP[-] TOKEN[] APP[map-reduce-wf] JOB[0000000-140610172702069-oozie-usrX-W] ACTION[0000000-140610172702069-oozie-usrX-W@:start:] [***0000000-140610172702069-oozie-usrX-W@:start:***]Action updated in DB! 2014-06-10 17:27:18,576 INFO ActionStartXCommand:539 - USER[userXXX] GROUP[-] TOKEN[] APP[map-reduce-wf] JOB[0000000-140610172702069-oozie-usrX-W] ACTION[0000000-140610172702069-oozie-usrX-W@mr-node] Start action [0000000-140610172702069-oozie-usrX-W@mr-node] with user-retry state : userRetryCount [0], userRetryMax [0], userRetryInterval [10] 2014-06-10 17:27:19,188 WARN MapReduceActionExecutor:542 - USER[userXXX] GROUP[-] TOKEN[] APP[map-reduce-wf] JOB[0000000-140610172702069-oozie-usrX-W] ACTION[0000000-140610172702069-oozie-usrX-W@mr-node] credentials is null for the action 2014-06-10 17:27:19,423 WARN ActionStartXCommand:542 - USER[userXXX] GROUP[-] TOKEN[] APP[map-reduce-wf] JOB[0000000-140610172702069-oozie-usrX-W] ACTION[0000000-140610172702069-oozie-usrX-W@mr-node] Error starting action [mr-node]. ErrorType [TRANSIENT], ErrorCode [JA009], Message [JA009: Unknown rpc kind RPC_WRITABLE] org.apache.oozie.action.ActionExecutorException: JA009: Unknown rpc kind RPC_WRITABLE at org.apache.oozie.action.ActionExecutor.convertExceptionHelper(ActionExecutor.java:418) at org.apache.oozie.action.ActionExecutor.convertException(ActionExecutor.java:392) at org.apache.oozie.action.hadoop.JavaActionExecutor.submitLauncher(JavaActionExecutor.java:773) at org.apache.oozie.action.hadoop.JavaActionExecutor.start(JavaActionExecutor.java:927) at org.apache.oozie.command.wf.ActionStartXCommand.execute(ActionStartXCommand.java:211) at org.apache.oozie.command.wf.ActionStartXCommand.execute(ActionStartXCommand.java:59) at org.apache.oozie.command.XCommand.call(XCommand.java:277) at org.apache.oozie.service.CallableQueueService$CompositeCallable.call(CallableQueueService.java:326) at org.apache.oozie.service.CallableQueueService$CompositeCallable.call(CallableQueueService.java:255) at org.apache.oozie.service.CallableQueueService$CallableWrapper.run(CallableQueueService.java:175) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:744) Caused by: org.apache.hadoop.ipc.RemoteException(java.io.IOException): Unknown rpc kind RPC_WRITABLE at org.apache.hadoop.ipc.Client.call(Client.java:1238) at org.apache.hadoop.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:225) at org.apache.hadoop.mapred.$Proxy30.getDelegationToken(Unknown Source) at org.apache.hadoop.mapred.JobClient.getDelegationToken(JobClient.java:2125) at org.apache.oozie.service.HadoopAccessorService.createJobClient(HadoopAccessorService.java:372) at org.apache.oozie.action.hadoop.JavaActionExecutor.createJobClient(JavaActionExecutor.java:970) at org.apache.oozie.action.hadoop.JavaActionExecutor.submitLauncher(JavaActionExecutor.java:723) ... 10 more 2014-06-10 17:27:19,426 INFO ActionStartXCommand:539 - USER[userXXX] GROUP[-] TOKEN[] APP[map-reduce-wf] JOB[0000000-140610172702069-oozie-usrX-W] ACTION[0000000-140610172702069-oozie-usrX-W@mr-node] Next Retry, Attempt Number [1] in [60,000] milliseconds 2014-06-10 17:28:19,468 INFO ActionStartXCommand:539 - USER[userXXX] GROUP[-] TOKEN[] APP[map-reduce-wf] JOB[0000000-140610172702069-oozie-usrX-W] ACTION[0000000-140610172702069-oozie-usrX-W@mr-node] Start action [0000000-140610172702069-oozie-usrX-W@mr-node] with user-retry state : userRetryCount [0], userRetryMax [0], userRetryInterval [10]

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• Serial Port Not getting closed. I want to release the COM port ...

  - by sunil

  Serial Port Not getting closed. I want to release the COM port ... Below is my code.... import java.io.*; import java.util.*; import gnu.io.*; public class ReadCommPort implements SerialPortEventListener { static CommPortIdentifier portId; static Enumeration portList; InputStream inputStream; OutputStream outputStream; public SerialPort serialPort; List byteList = new ArrayList(); public static Message message = null; public void readData() { boolean portFound = false; String defaultPort = "COM1"; portList = CommPortIdentifier.getPortIdentifiers(); while ( portList.hasMoreElements() ) { portId = ( CommPortIdentifier )portList.nextElement(); if ( portId.getPortType() == CommPortIdentifier.PORT_SERIAL ) { if ( portId.getName().equals( defaultPort ) ) { System.out.println( "Found port: " + defaultPort ); portFound = true; buildSerialPort(); } } } if ( ! portFound ) { System.out.println( "port " + defaultPort + " not found." ); } } public void buildSerialPort() { try { serialPort = (SerialPort) portId.open( "ReadCommPort", 1 ); inputStream = serialPort.getInputStream(); outputStream = serialPort.getOutputStream(); serialPort.addEventListener( this ); serialPort.notifyOnDataAvailable(true); serialPort.setSerialPortParams( 2400, SerialPort.DATABITS_7, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE ); } catch ( Exception e ) { e.printStackTrace(); } } @SuppressWarnings("unchecked") public void serialEvent( SerialPortEvent event ) { switch ( event.getEventType() ) { case SerialPortEvent.BI: System.out.println( "BI"); break; case SerialPortEvent.OE: System.out.println( "OE"); break; case SerialPortEvent.FE: System.out.println( "FE"); break; case SerialPortEvent.PE: System.out.println( "PE"); break; case SerialPortEvent.CD: System.out.println( "CD"); break; case SerialPortEvent.CTS: System.out.println( "CTS"); break; case SerialPortEvent.DSR: System.out.println( "DSR"); break; case SerialPortEvent.RI: System.out.println( "RI"); break; case SerialPortEvent.OUTPUT_BUFFER_EMPTY: System.out.println( "OUTPUT_BUFFER_EMPTY"); break; case SerialPortEvent.DATA_AVAILABLE : try { int len = inputStream.available(); byte[] readBuffer = new byte[ len ]; // processing data code.. // close the port // release all resources... serialPort.removeEventListener(); try { serialPort.addEventListener( null ); } catch (TooManyListenersException e) { e.printStackTrace(); } inputStream.close(); outputStream.close(); serialPort.close(); } catch ( IOException e ) { e.printStackTrace(); } break; } } public static void main(String[] args) { new ReadCommPort().readData(); } }

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• Android using ksoap calling PHP SOAP webservice fails: 'procedure 'CheckLogin' not found

  - by AmazingDreams

  I'm trying to call a PHP SOAP webservice. I know my webservice functions correctly because I use it in a WPF project succesfully. I'm also building an app in android, using the same webservice. The WSDL file can be found here: http://www.wegotcha.nl/servicehandler/service.wsdl This is my code in the android app: String SOAP_ACTION = "http://www.wegotcha.nl/servicehandler/CheckLogin"; String NAMESPACE = "http://www.wegotcha.nl/servicehandler"; String METHOD_NAME = "CheckLogin"; String URL = "http://www.wegotcha.nl/servicehandler/servicehandler.php"; String resultData = ""; SoapSerializationEnvelope soapEnv = new SoapSerializationEnvelope(SoapEnvelope.VER11); SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME); SoapObject UserCredentials = new SoapObject("Types", "UserCredentials6"); UserCredentials.addProperty("mail", params[0]); UserCredentials.addProperty("password", md5(params[1])); request.addSoapObject(UserCredentials); soapEnv.setOutputSoapObject(request); HttpTransportSE http = new HttpTransportSE(URL); http.setXmlVersionTag("<?xml version=\"1.0\" encoding=\"utf-8\"?>"); http.debug = true; try { http.call(SOAP_ACTION, soapEnv); } catch (IOException e) { e.printStackTrace(); } catch (XmlPullParserException e) { e.printStackTrace(); } SoapObject results = null; results = (SoapObject)soapEnv.bodyOut; if(results != null) resultData = results.getProperty(0).toString(); return resultData; Using fiddler I got the following: Android request: <?xml version="1.0" encoding="utf-8"?> <v:Envelope xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns:d="http://www.w3.org/2001/XMLSchema" xmlns:c="http://schemas.xmlsoap.org/soap/encoding/" xmlns:v="http://schemas.xmlsoap.org/soap/envelope/"><v:Header /> <v:Body> <n0:CheckLogin id="o0" c:root="1" xmlns:n0="http://www.wegotcha.nl/servicehandler"> <n1:UserCredentials6 i:type="n1:UserCredentials6" xmlns:n1="Types"> <mail i:type="d:string">myemail</mail> <password i:type="d:string">myhashedpass</password> </n1:UserCredentials6> </n0:CheckLogin> </v:Body> </v:Envelope> Getting the following response: Procedure 'CheckLogin' not present My request produced by my WPF app looks completely different: <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"> <s:Body xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <UserCredentials6 xmlns="Types"> <mail>mymail</mail> <password>mypassword</password> </UserCredentials6> </s:Body> </s:Envelope> After googling my ass off I was not able to solve this problem by myself. It may be possible there are some weird things in my Java code because I changed a lot since. I hope you guys will be able to help me, thanks. EDIT: My webservice is of document/literal encoding style, after doing some research I found I should be able to use SoepEnvelope Instead of SoapSerializationEnvelope Though when I replace this I get an error before the try cache block, causing my app to crash. Error: 11-04 16:23:26.786: E/AndroidRuntime(26447): Caused by: java.lang.ClassCastException: org.ksoap2.serialization.SoapObject cannot be cast to org.kxml2.kdom.Node Which is caused by these lines: request.addSoapObject(UserCredentials); soapEnv.setOutputSoapObject(request); This may be a solution though, how do I go about this? I found nothing about using a SoapEnvelope instead of a SoapSerializationEnvelope except for this awesome tutorial: http://ksoap.objectweb.org/project/mailingLists/ksoap/msg00849.html

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• non-static variable cannot be referenced from a static context (java)

  - by Greg

  I ask that you ignore all logic.. i was taught poorly at first and so i still dont understand everything about static crap and its killing me. My error is with every single variable that i declare then try to use later inside my methods... i get the non-static variable cannot~~ error I can simply put all the rough coding of my methods inside my cases, and it works but then i cannot use recursion... What i really need is someone to help on the syntax and point me on the right direction of how to have my methods recognize my variables at the top... like compareCount etc thanks public class MyProgram7 { public static void main (String[]args) throws IOException{ Scanner scan = new Scanner(System.in); int compareCount = 0; int low = 0; int high = 0; int mid = 0; int key = 0; Scanner temp; int[]list; String menu, outputString; int option = 1; boolean found = false; // Prompt the user to select an option menu = "\n\t1 Reads file" + "\n\t2 Finds a specific number in the list" + "\n\t3 Prints how many comparisons were needed" + "\n\t0 Quit\n\n\n"; System.out.println(menu); System.out.print("\tEnter your selection: "); option = scan.nextInt(); // Keep reading data until the user enters 0 while (option != 0) { switch (option) { case 1: readFile(); break; case 2: findKey(list,low,high,key); break; case 3: printCount(); break; default: outputString = "\nInvalid Selection\n"; System.out.println(outputString); break; }//end of switch System.out.println(menu); System.out.print("\tEnter your selection: "); option = scan.nextInt(); }//end of while }//end of main public static void readFile() { int i = 0; temp = new Scanner(new File("CS1302_Data7_2010.txt")); while(temp.hasNext()) { list[i]= temp.nextInt(); i++; }//end of while temp.close(); System.out.println("File Found..."); }//end of readFile() public static void findKey() { while(found!=true) { while(key < 100 || key > 999) { System.out.println("Please enter the number you would like to search for? ie 350: "); key = scan.nextInt(); }//end of inside while //base if (low <= high) { mid = ((low+high)/2); if (key == list[mid]) { found = true; compareCount++; }//end of inside if }//end of outside if else if (key < list[mid]) { compareCount++; high = mid-1; findKey(list,low,high,key); }//end of else if else { compareCount++; low = mid+1; findKey(list,low,high,key); }//end of else }//end of outside while }//end of findKey() public static void printCount() { System.out.println("Total number of comparisons is: " + compareCount); }//end of printCount }//end of class

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• Fetching data (responsebody) with a HttpClient in an AsyncTask and returning the data outside the As

  - by Peter Warbo

  Basically I'm wondering how I'm able to do what I've written in the topic. I've looked through many tutorials on AsyncTask but I can't get it to work. I have a little form (EditText) that will take what the user inputs there and make it to a url query for the application to lookup and then display the results. What I think would seem to work is something like this: In my main activity i have a string called responseBody. Then the user clicks on the search button it will go to my search function and from there call the GrabUrl method with the url which will start the asyncdata and when that process is finished the onPostExecute method will use the function activity.this.setResponseBody(content). This is what my code looks like simpliefied with the most important parts (I think). public class activity extends Activity { private String responseBody; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); initControls(); } public void initControls() { fieldSearch = (EditText) findViewById(R.id.EditText01); buttonSearch = (Button)findViewById(R.id.Button01); buttonSearch.setOnClickListener(new Button.OnClickListener() { public void onClick (View v){ search(); }}); } public void grabURL(String url) { new GrabURL().execute(url); } private class GrabURL extends AsyncTask<String, Void, String> { private final HttpClient client = new DefaultHttpClient(); private String content; private boolean error = false; private ProgressDialog dialog = new ProgressDialog(activity.this); protected void onPreExecute() { dialog.setMessage("Getting your data... Please wait..."); dialog.show(); } protected String doInBackground(String... urls) { try { HttpGet httpget = new HttpGet(urls[0]); ResponseHandler<String> responseHandler = new BasicResponseHandler(); content = client.execute(httpget, responseHandler); } catch (ClientProtocolException e) { error = true; cancel(true); } catch (IOException e) { error = true; cancel(true); } return content; } protected void onPostExecute(String content) { dialog.dismiss(); if (error) { Toast toast = Toast.makeText(activity.this, getString(R.string.offline), Toast.LENGTH_LONG); toast.setGravity(Gravity.TOP, 0, 75); toast.show(); } else { activity.this.setResponseBody(content); } } } public void search() { String query = fieldSearch.getText().toString(); String url = "http://example.com/example.php?query=" + query; //this is just an example url, I have a "real" url in my application but for privacy reasons I've replaced it grabURL(url); // the method that will start the asynctask processData(responseBody); // process the responseBody and display stuff on the ui-thread with the data that I would like to get from the asyntask but doesn't obviously }

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• How do you traverse and store XML in Blackberry Java app?

  - by Greg

  I'm having a problem accessing the contents of an XML document. My goal is this: Take an XML source and parse it into a fair equivalent of an associative array, then store it as a persistable object. the xml is pretty simple: <root> <element> <category_id>1</category_id> <name>Cars</name> </element> <element> <category_id>2</category_id> <name>Boats</name> </element> </root> Basic java class below. I'm pretty much just calling save(xml) after http response above. Yes, the xml is properly formatted. import java.io.IOException; import java.util.Hashtable; import org.w3c.dom.Document; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import java.util.Vector; import net.rim.device.api.system.PersistentObject; import net.rim.device.api.system.PersistentStore; import net.rim.device.api.xml.parsers.DocumentBuilder; import net.rim.device.api.xml.parsers.DocumentBuilderFactory; public class database{ private static PersistentObject storeVenue; static final long key = 0x2ba5f8081f7ef332L; public Hashtable hashtable; public Vector venue_list; String _node,_element; public database() { storeVenue = PersistentStore.getPersistentObject(key); } public void save(Document xml) { venue_list = new Vector(); storeVenue.setContents(venue_list); Hashtable categories = new Hashtable(); try{ DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory. newInstance(); DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder(); docBuilder.isValidating(); xml.getDocumentElement ().normalize (); NodeList list=xml.getElementsByTagName("*"); _node=new String(); _element = new String(); for (int i=0;i<list.getLength();i++){ Node value=list.item(i).getChildNodes().item(0); _node=list.item(i).getNodeName(); _element=value.getNodeValue(); categories.put(_element, _node); } } catch (Exception e){ System.out.println(e.toString()); } venue_list.addElement(categories); storeVenue.commit(); } The code above is the work in progress, and is most likely heavily flawed. However, I have been at this for days now. I can never seem to get all child nodes, or the name / value pair. When I print out the vector as a string, I usually end up with results like this: [{ = root, = element}] and that's it. No "category_id", no "name" Ideally, I would end up with something like [{1 = cars, 2 = boats}] Any help is appreciated. Thanks

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• Problem with Java Mail : No provider for smtp

  - by user359198

  Hello all. I am using JavaMail to do a simple application that sends an email when it finds some files in a directory. I managed to get it worked from Eclipse. I Run the application and it sent the email with no errors. But, when I created the jar, and executed it, it fails in the email sending part. It gives this exception. javax.mail.NoSuchProviderException: No provider for smtp at javax.mail.Session.getProvider(Session.java:460) at javax.mail.Session.getTransport(Session.java:655) at javax.mail.Session.getTransport(Session.java:636) at main.java.util.MailManager.sendMail(MailManager.java:69) at main.java.DownloadsMail.composeAndSendMail(DownloadsMail.java:16) at main.java.DownloadsController.checkDownloads(DownloadsController.java:51) at main.java.MainDownloadsController.run(MainDownloadsController.java:26) at java.lang.Thread.run(Unknown Source) I am using the library in this method: public static boolean sendMail(String subject, String text){ noExceptionsThrown = true; try { loadProperties(); } catch (IOException e1) { System.out.println("Problem encountered while loading properties"); e1.printStackTrace(); noExceptionsThrown = false; } Properties mailProps = new Properties(); String host = "mail.smtp.host"; mailProps.setProperty(host, connectionProps.getProperty(host)); String tls = "mail.smtp.starttls.enable"; mailProps.setProperty(tls, connectionProps.getProperty(tls)); String port = "mail.smtp.port"; mailProps.setProperty(port, connectionProps.getProperty(port)); String user = "mail.smtp.user"; mailProps.setProperty(user, connectionProps.getProperty(user)); String auth = "mail.smtp.auth"; mailProps.setProperty(auth, connectionProps.getProperty(auth)); Session session = Session.getDefaultInstance(mailProps); //session.setDebug(true); MimeMessage message = new MimeMessage(session); try { message.setFrom(new InternetAddress(messageProps.getProperty("from"))); message.addRecipient(Message.RecipientType.TO, new InternetAddress( messageProps.getProperty("to"))); message.setSubject(subject); message.setText(text); Transport t = session.getTransport("smtp"); try { t.connect(connectionProps.getProperty("user"), passwordProps .getProperty("password")); t.sendMessage(message, message.getAllRecipients()); } catch (Exception e) { System.out.println("Error encountered while sending the email"); e.printStackTrace(); noExceptionsThrown = false; } finally { t.close(); } } catch (Exception e) { System.out.println("Error encountered while creating the message"); e.printStackTrace(); noExceptionsThrown = false; } return noExceptionsThrown; } I am loading these values from properties files. mail.smtp.host=smtp.gmail.com mail.smtp.starttls.enable=true mail.smtp.port=587 mail.smtp.auth=true I have tried to change the host by ssl://smtp.gmail.com, the port by 465 (just for trying something different), but it doesn't work either. Anyway, if it works fine from Eclipse with the original parameters, I guess that the values are correct, but the problem is creating the jar. I don't know very much about the possible results or changes when creating a jar. Could the JavaMail libraries someway go wrong when the jar is created? Do you have any ideas? Thank you very much for your help.

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• android - Caused by: android.view.ViewRootImpl$CalledFromWrongThreadException

  - by chinna_82

  Im trying to get image from my URL and display in application but it throw error Caused by: android.view.ViewRootImpl$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views. Below is my code Code package com.smartag.bird.dev; public class MainActivity extends Activity { static String ndefMsg = null; static String ndefMsg1 = null; NfcAdapter mNfcAdapter; PendingIntent mNfcPendingIntent; IntentFilter[] mNdefExchangeFilters; static final String TAG = "Read Tag"; TextView mTitle; private static ImageView imageView; static String url = "http://sposter.smartag.my/images/chicken_soup.jpg"; private static Bitmap downloadBitmap; private static BitmapDrawable bitmapDrawable; private static boolean largerImg = false; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //setContentView(R.layout.main); mNfcAdapter = NfcAdapter.getDefaultAdapter(this); mNfcPendingIntent = PendingIntent.getActivity(this, 0, new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0); IntentFilter ndefDetected = new IntentFilter(NfcAdapter.ACTION_NDEF_DISCOVERED); try { ndefDetected.addDataType("text/plain"); } catch (MalformedMimeTypeException e) { } mNdefExchangeFilters = new IntentFilter[] { ndefDetected }; if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(getIntent().getAction())) { NdefMessage[] messages = getNdefMessages(getIntent()); byte[] payload = messages[0].getRecords()[0].getPayload(); ndefMsg = new String(payload); setIntent(new Intent()); // Consume this intent. } ConnectivityManager connManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE); NetworkInfo mWifi = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI); if(ndefMsg == null || ndefMsg.length() == 0) { startActivity(new Intent(MainActivity.this, MainMenu.class)); } else { setContentView(R.layout.main); if (mWifi.isConnected()) { ndefMsg1 = ndefMsg; new DownloadFilesTask().execute(); ndefMsg = null; } else { AlertDialog.Builder dialog = new AlertDialog.Builder(this); dialog.setTitle("Attention"); dialog.setMessage("No Internet Connection. Please enable the wifi."); dialog.setPositiveButton("OK", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { } }); dialog.show(); } } } private class DownloadFilesTask extends AsyncTask<Void, Void, Void> { protected void onPostExecute(Void result) { } @Override protected Void doInBackground(Void... params) { try { URL myFileUrl = new URL("http://sposter.smartag.my/images/chicken_soup.jpg"); HttpURLConnection conn= (HttpURLConnection)myFileUrl.openConnection(); conn.setDoInput(true); conn.connect(); InputStream is = conn.getInputStream(); downloadBitmap = BitmapFactory.decodeStream(is); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } ImageView image = (ImageView) findViewById(R.id.imview); image.setImageBitmap(downloadBitmap); return null; } } }

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• How do I load an image from sd card into coverview

  - by Jolene

  I am doing an application which consists of a cover flow. Currently I am trying to make the cover flow images be obtained from the sd card. But I am not exactly sure how should I display the image. this is the image adapter: public class ImageAdapter extends BaseAdapter { int mGalleryItemBackground; private Context mContext; private FileInputStream fis; private Integer[] mImageIds = { //Instead of using r.drawable, i need to load the images from my sd card instead R.drawable.futsing, R.drawable.futsing2 }; private ImageView[] mImages; public ImageAdapter(Context c) { mContext = c; mImages = new ImageView[mImageIds.length]; } public int getCount() { return mImageIds.length; } public Object getItem(int position) { return position; } public long getItemId(int position) { return position; } @TargetApi(8) public View getView(int position, View convertView, ViewGroup parent) { int screenSize = getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK; ImageView i = new ImageView(mContext); i.setImageResource(mImageIds[position]); switch(screenSize) { case Configuration.SCREENLAYOUT_SIZE_XLARGE: //Toast.makeText(this, "Small screen",Toast.LENGTH_LONG).show(); Display display4 = ((WindowManager) context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay(); int rotation4 = display4.getRotation(); Log.d("XLarge:",String.valueOf(rotation4)); /** LANDSCAPE **/ if(rotation4 == 0 || rotation4 == 2) { i.setLayoutParams(new CoverFlow.LayoutParams(300, 300)); i.setScaleType(ImageView.ScaleType.CENTER_INSIDE); BitmapDrawable drawable = (BitmapDrawable) i.getDrawable(); drawable.setAntiAlias(true); return i; } /** PORTRAIT **/ else if (rotation4 == 1 || rotation4 == 3) { i.setLayoutParams(new CoverFlow.LayoutParams(650, 650)); i.setScaleType(ImageView.ScaleType.CENTER_INSIDE); BitmapDrawable drawable = (BitmapDrawable) i.getDrawable(); drawable.setAntiAlias(true); return i; } break; default: } return null; } /** Returns the size (0.0f to 1.0f) of the views * depending on the 'offset' to the center. */ public float getScale(boolean focused, int offset) { /* Formula: 1 / (2 ^ offset) */ return Math.max(0, 1.0f / (float)Math.pow(2, Math.abs(offset))); } } and this is how i download and save the file. I need to use the image saved and upload it into my coverflow // IF METHOD TO DOWNLOAD IMAGE void downloadFile() { new Thread(new Runnable(){ // RUN IN BACKGROUND THREAD TO AVOID FREEZING OF UI public void run(){ Bitmap bmImg; URL myFileUrl = null; try { //for (int i = 0; i < urlList.size(); i ++) //{ //url = urlList.get(i); myFileUrl = new URL("http://static.adzerk.net/Advertisers/d18eea9d28f3490b8dcbfa9e38f8336e.jpg"); // RETRIEVE IMAGE URL //} } catch (MalformedURLException e) { e.printStackTrace(); } try { HttpURLConnection conn = (HttpURLConnection) myFileUrl.openConnection(); conn.setDoInput(true); conn.connect(); InputStream in = conn.getInputStream(); Log.i("im connected", "Download"); bmImg = BitmapFactory.decodeStream(in); saveFile(bmImg); } catch (IOException e) { e.printStackTrace(); }} }).start(); // START THREAD } // SAVE THE IMAGE AS JPG FILE private void saveFile(Bitmap bmImg) { File filename; try { // GET EXTERNAL STORAGE, SAVE FILE THERE File storagePath = new File(Environment.getExternalStorageDirectory(),"Covers"); storagePath.mkdirs(); filename = new File(storagePath + "/image.jpg"); FileOutputStream out = new FileOutputStream(filename); bmImg.compress(Bitmap.CompressFormat.JPEG, 90, out); out.flush(); out.close(); MediaStore.Images.Media.insertImage(getContentResolver(),filename.getAbsolutePath(), filename.getName(), filename.getName()); // ONCE THE DOWNLOAD FINISHES, CLOSE DIALOG Toast.makeText(getApplicationContext(), "Image Saved!", Toast.LENGTH_SHORT).show(); } catch (Exception e) { e.printStackTrace(); } }

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• HTTP error code 405: tomcat Url mapping issue

  - by Andrew

  I am having trouble POSTing to my java HTTPServlet. I am getting "HTTP Status 405 - HTTP method GET is not supported by this URL" from my tomcat server". When I debug the servlet the login method is never called. I think it's a url mapping issue within tomcat... web.xml <servlet-mapping> <servlet-name>faxcom</servlet-name> <url-pattern>/faxcom/*</url-pattern> </servlet-mapping> FaxcomService.java @Path("/rest") public class FaxcomService extends HttpServlet{ private FAXCOM_x0020_ServiceLocator service; private FAXCOM_x0020_ServiceSoap port; @GET @Produces("application/json") public String testGet() { return "{ \"got here\":true }"; } @POST @Path("/login") @Consumes("application/json") // @Produces("application/json") public Response login(LoginBean login) { ArrayList<ResultMessageBean> rm = new ArrayList<ResultMessageBean>(10); try { service = new FAXCOM_x0020_ServiceLocator(); service.setFAXCOM_x0020_ServiceSoapEndpointAddress("http://cd-faxserver/faxcom_ws/faxcomservice.asmx"); service.setMaintainSession(true); // enable sessions support port = service.getFAXCOM_x0020_ServiceSoap(); rm.add(new ResultMessageBean(port.logOn( "\\\\CD-Faxserver\\FaxcomQ_API", /* path to the queue */ login.getUserName(), /* username */ login.getPassword(), /* password */ login.getUserType() /* 2 = user conf user */ ))); } catch (RemoteException e) { e.printStackTrace(); } catch (ServiceException e) { e.printStackTrace(); } // return rm; return Response.status(201).entity(rm).build(); } @POST @Path("/newFaxMessage") @Consumes(MediaType.APPLICATION_JSON) @Produces(MediaType.APPLICATION_JSON) public ArrayList<ResultMessageBean> newFaxMessage(FaxBean fax) { ArrayList<ResultMessageBean> rm = new ArrayList<ResultMessageBean>(); try { rm.add(new ResultMessageBean(port.newFaxMessage( fax.getPriority(), /* priority: 0 - low, 1 - normal, 2 - high, 3 - urgent */ fax.getSendTime(), /* send time */ /* "0.0" - immediate */ /* "1.0" - offpeak */ /* "9/14/2007 5:12:11 PM" - to set specific time */ fax.getResolution(), /* resolution: 0 - low res, 1 - high res */ fax.getSubject(), /* subject */ fax.getCoverpage(), /* cover page: "" – default, “(none)� – no cover page */ fax.getMemo(), /* memo */ fax.getSenderName(), /* sender's name */ fax.getSenderFaxNumber(), /* sender's fax */ fax.getRecipients().get(0).getName(), /* recipient's name */ fax.getRecipients().get(0).getCompany(), /* recipient's company */ fax.getRecipients().get(0).getFaxNumber(), /* destination fax number */ fax.getRecipients().get(0).getVoiceNumber(), /* recipient's phone number */ fax.getRecipients().get(0).getAccountNumber() /* recipient's account number */ ))); if (fax.getRecipients().size() > 1) { for (int i = 1; i < fax.getRecipients().size(); i++) rm.addAll(addRecipient(fax.getRecipients().get(i))); } } catch (RemoteException e) { // TODO Auto-generated catch block e.printStackTrace(); } return rm; } } Main.java private static void main(String[] args) { try { URL url = new URL("https://andrew-vm/faxcom/rest/login"); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("POST"); conn.setDoOutput(true); conn.setRequestProperty("Content-Type", "application/json"); FileInputStream jsonDemo = new FileInputStream("login.txt"); OutputStream os = (OutputStream) conn.getOutputStream(); os.write(IOUtils.toByteArray(jsonDemo)); os.flush(); if (conn.getResponseCode() != 200) { throw new RuntimeException("Failed : HTTP error code : " + conn.getResponseCode()); } BufferedReader br = new BufferedReader(new InputStreamReader( (conn.getInputStream()))); String output; System.out.println("Output from Server .... \n"); while ((output = br.readLine()) != null) { System.out.println(output); } // Don't want to disconnect - servletInstance will be destroyed // conn.disconnect(); } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } I am working from this tutorial: http://www.mkyong.com/webservices/jax-rs/restfull-java-client-with-java-net-url/

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• Getting EOFException while trying to read from SSLSocket

  - by Isac

  Hi, I am developing a SSL client that will do a simple request to a SSL server and wait for the response. The SSL handshake and the writing goes OK but I can't READ data from the socket. I turned on the debug of java.net.ssl and got the following: [..] main, READ: TLSv1 Change Cipher Spec, length = 1 [Raw read]: length = 5 0000: 16 03 01 00 20 .... [Raw read]: length = 32 [..] main, READ: TLSv1 Handshake, length = 32 Padded plaintext after DECRYPTION: len = 32 [..] * Finished verify_data: { 29, 1, 139, 226, 25, 1, 96, 254, 176, 51, 206, 35 } %% Didn't cache non-resumable client session: [Session-1, SSL_RSA_WITH_RC4_128_MD5] [read] MD5 and SHA1 hashes: len = 16 0000: 14 00 00 0C 1D 01 8B E2 19 01 60 FE B0 33 CE 23 ..........`..3.# Padded plaintext before ENCRYPTION: len = 70 [..] a.j.y. main, WRITE: TLSv1 Application Data, length = 70 [Raw write]: length = 75 [..] Padded plaintext before ENCRYPTION: len = 70 [..] main, WRITE: TLSv1 Application Data, length = 70 [Raw write]: length = 75 [..] main, received EOFException: ignored main, called closeInternal(false) main, SEND TLSv1 ALERT: warning, description = close_notify Padded plaintext before ENCRYPTION: len = 18 [..] main, WRITE: TLSv1 Alert, length = 18 [Raw write]: length = 23 [..] main, called close() main, called closeInternal(true) main, called close() main, called closeInternal(true) The [..] are the certificate chain. Here is a code snippet: try { System.setProperty("javax.net.debug","all"); /* * Set up a key manager for client authentication * if asked by the server. Use the implementation's * default TrustStore and secureRandom routines. */ SSLSocketFactory factory = null; try { SSLContext ctx; KeyManagerFactory kmf; KeyStore ks; char[] passphrase = "importkey".toCharArray(); ctx = SSLContext.getInstance("TLS"); kmf = KeyManagerFactory.getInstance("SunX509"); ks = KeyStore.getInstance("JKS"); ks.load(new FileInputStream("keystore.jks"), passphrase); kmf.init(ks, passphrase); ctx.init(kmf.getKeyManagers(), null, null); factory = ctx.getSocketFactory(); } catch (Exception e) { throw new IOException(e.getMessage()); } SSLSocket socket = (SSLSocket)factory.createSocket("server ip", 9999); /* * send http request * * See SSLSocketClient.java for more information about why * there is a forced handshake here when using PrintWriters. */ SSLSession session = socket.getSession(); [build query] byte[] buff = query.toWire(); out.write(buff); out.flush(); InputStream input = socket.getInputStream(); int readBytes = -1; int randomLength = 1024; byte[] buffer = new byte[randomLength]; while((readBytes = input.read(buffer, 0, randomLength)) != -1) { LOG.debug("Read: " + new String(buffer)); } input.close(); socket.close(); } catch (Exception e) { e.printStackTrace(); } I can write multiple times and I don't get any error but the EOFException happens on the first read. Am I doing something wrong with the socket or with the SSL authentication? Thank you.

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• JAVA: POST data via HTTPS does not seem to get sent?

  - by ostollmann

  Hi guys (and girls), I have a problem POSTing data via HTTPS in Java. The server response is the same whether or not I send 'query'. Maybe someone can point out what the problem is... Thanks! Main class: package bind; public class Main { public static final String urlString = "https://www.sms.ethz.ch/cgi-bin/sms/send.pl"; public static void main(String[] args) { Message msg = new Message("Alles klar?"); URL url = new URL(urlString); String[][] values = new String[3][2]; values[0][0] = "action"; values[0][1] = "listoriginators"; values[1][0] = "username"; values[1][1] = "xxxxxx"; values[2][0] = "password"; values[2][1] = "xxxxxx"; Query query = new Query(values); System.out.println("Query: " + query.getQuery()); Request request = new Request(url.getURL(), query.getQuery()); } } Request class: package bind; public class Request { static private int ic = 0; private URL url; protected Request(java.net.URL URL, String query){ ic++; if(CONSTANTS.SHOW_LOGS) { System.out.println("log: new instance of 'Message'"); } // connect try { System.setProperty("java.protocol.handler.pkgs", "com.sun.net.ssl.internal.www.protocol"); java.security.Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider()); javax.net.ssl.HttpsURLConnection connection = (javax.net.ssl.HttpsURLConnection) URL.openConnection(); connection.setDoInput(true); connection.setDoOutput(true); connection.setRequestMethod("POST"); connection.setFollowRedirects(true); connection.setRequestProperty("Content-Length", String.valueOf(query.length())); connection.setRequestProperty("Content-Type", "application/x-www- form-urlencoded"); connection.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)"); java.io.DataOutputStream output = new java.io.DataOutputStream(connection.getOutputStream()); output.writeBytes(query); // <<-- NOTHING CHANGES IF I COMMENT THIS OUT OR NOT !!??!?! System.out.println("log: response code: " + connection.getResponseCode()); System.out.println("log: response message: " + connection.getResponseMessage()); java.io.DataInputStream input = new java.io.DataInputStream(connection.getInputStream()); for(int i = input.read(); i != -1; i = input.read()) { System.out.print((char)i); } System.out.print("\n"); input.close(); } catch(java.io.IOException e) { if(CONSTANTS.SHOW_LOGS) { System.out.println("error: unable to connect"); System.out.println(e); e.printStackTrace(); } } } } URL Class: public class URL { static private int ic = 0; private String URLString; private java.net.URL url; protected URL(String a_url){ ic++; if(CONSTANTS.SHOW_LOGS) { System.out.println("log: new instance of 'URL'"); } setURLString(a_url); createURL(); } private void setURLString(String a_url) { URLString = a_url; } private void createURL() { try { url = new java.net.URL(URLString); } catch(java.net.MalformedURLException e) { System.out.println("error: invalid URL"); System.out.println(e); e.printStackTrace(); } } private void showURL() { System.out.println("URL: " + url.getHost() + url.getPath()); } public java.net.URL getURL() { return url; } } PS: mostly from here: http://www.java-samples.com/java/POST-toHTTPS-url-free-java-sample-program.htm

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• Servlet Filter: Socket need to be referenced in doFilter()

  - by Craig m

  Right now I have a filter that has the sockets opened in the init and for some reason when I open them in doFilter() it doesn't work with the server app right so I have no choice but to put it in the init I need to be able to reference the outSide.println("test"); in doFilter() so I can send that to my server app every time the if statement it in is is tripped. Heres my code: import java.net.*; import java.io.*; import java.util.*; import javax.servlet.*; import javax.servlet.http.*; public final class IEFilter implements Filter { public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { String browser = ""; String blockInfo; String address = request.getRemoteAddr(); if(((HttpServletRequest)request).getHeader ("User-Agent").indexOf("MSIE") >= 0) { browser = "Internet Explorer"; } if(browser.equals("Internet Explorer")) { BufferedWriter fW = new BufferedWriter(new FileWriter("C://logs//IElog.rtf")); blockInfo = "Blocked IE user from:" + address; response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("<HTML>"); out.println("<HEAD>"); out.println("<TITLE>"); out.println("This page is not available - JNetProtect"); out.println("</TITLE>"); out.println("</HEAD>"); out.println("<BODY>"); out.println("<center><H1>Error 403</H1>"); out.println("<br>"); out.println("<br>"); out.println("<H1>Access Denied</H1>"); out.println("<br>"); out.println("Sorry, that resource may not be accessed now."); out.println("<br>"); out.println("<br>"); out.println("<hr />"); out.println("<i>Page Filtered By JNetProtect</i>"); out.println("</BODY>"); out.println("</HTML>"); //init.outSide.println("Blocked and Internet Explorer user"); fW.write(blockInfo); fW.newLine(); fW.close(); } else { chain.doFilter(request, response); } } public void destroy() { outsocket.close(); outSide.close(); } public void init(FilterConfig filterConfig) { try { ServerSocket fs; Socket outsocket; PrintWriter outSide ; outsocket = new Socket("Localhost", 1337); outSide = new PrintWriter(outsocket.getOutputStream(), true); }catch (Exception e){ System.out.println("error with this connection"); e.printStackTrace();} } }

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• Servlet stops without giving any exception

  - by Fahim

  Hi, I have implemented a Servlet hosted on Tomcat 6 server on Mandriva Linux. I have been able to make the client communicate with the Servlet. In response to a request the Servlet tries to instantiate a another class (named KalmanFilter) located in the same directory. The KalmanFilter tries to create four Matrices (using Jama Matrix package). But at this point Servlet stops without giving any exception ! However, from another test code in the same directory I have been able to create instance of KalmanFilter class, and proceed without any error. The problem occurs only when my Servlet tries to instantiate the KalmanFilter class and create the matrices. Any idea? Below are the codes: MyServlet.java import javax.servlet.*; import javax.servlet.http.*; import java.io.*; import java.util.*; public class MyServlet extends HttpServlet { public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ doGet(request, response); } public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException{ PrintWriter out = null; //response.getWriter(); try{ System.out.println("creating new KalmanFilter"); KalmanFilter filter = new KalmanFilter(); out = response.getWriter(); out.print("filter created"); }catch(Exception ex){ ex.printStackTrace(); System.out.println("Exception in doGet(): " + ex.getMessage()); ex.printStackTrace(out); } } } KalmanFilter.java import Jama.Matrix; public class KalmanFilter { protected Matrix X, X0; protected Matrix F, Q; //protected Matrix F, B, U, Q; protected Matrix H, R; protected Matrix P, P0; private final double EPSILON = 0.001; public KalmanFilter(){ System.out.println("from constructor of KalmanFilter"); createInitialMatrices(); } private void createInitialMatrices(){ System.out.println("from KalmanFilter.createInitialMatrices()"); double[][] pVals = { {1.0, 0.0}, {0.0, 1.0} }; double[][] qVals = { {EPSILON, EPSILON}, {EPSILON, EPSILON} }; double[][] hVals = { {1.0, 0.0}, {0.0, 1.0}, {1.0, 0.0}, {0.0, 1.0} }; double[][] xVals = { {0.0}, {0.0}, }; System.out.println("creating P Q H X matrices in createInitialMatrices()"); try{ this.P = new Matrix(pVals); System.out.println("created P matrix in createInitialMatrices()"); this.Q = new Matrix(qVals); System.out.println("created Q matrix in createInitialMatrices()"); this.H = new Matrix(hVals); System.out.println("created H matrix in createInitialMatrices()"); this.X = new Matrix(xVals); System.out.println("created X matrix in createInitialMatrices()"); System.out.println("created P Q H X matrices in createInitialMatrices()"); }catch(Exception e){ System.out.println("Exception from createInitialMatrices()"+ e.getMessage()); e.printStackTrace(); } System.out.println("returning from createInitialMatrices()"); } }

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• Which option do you like the most?

  - by spderosso

  I need to show a list of movies ordered by the date they were registered in the system and the amount of comments users have made about them. E.g: Title | Register Date | # of comments Gladiator | 02-01-2010 | 30 Matrix | 01-02-2010 | 20 It is a web application that follows MVC. So, I have the object "Movie", there is a MovieManager interface that is used for retrieving/persisting data to the database and a servlet RecentlyAddedMovies.java that forwards to a .jsp to render the list. I will explain my problem by showing an example of how I am doing another similar task: Showing top ranked movies. Regarding the MovieManager: /** * Returns a collection of the x best-ranked movies * @param x the amount of movies to return * @return A collection of movies * @throws SQLException */ public Collection<Movie> getTopX(int x) throws SQLException; The servlet: public class Top5 extends HttpServlet{ @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { MovieManager movManager = JDBCMovieManager.getInstance(); try { req.setAttribute("movies", movManager.getTopX(5)); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } req.getRequestDispatcher("listMovies.jsp").forward(req, resp); } } And the listMovies.jsp has is some place something like: <c:forEach var="movie" items="${movies}"> ... <c:out value="${movie.title}"/> ... </c:forEach> The difference between the top5 problem and the problem I am trying to solve is that with the top5 thing all the data I needed to show in the view where part of the "Movie" object, so the MovieManager simply returned a Collection of Movies. Now, the MovieManager must retrieve an ordered list of (Movie, # of comments). The Movie object has a collection of Comment associated but of course, it lacks an instance variable with the length of that collection. The following things came into my mind: a) Create a MovieView object or something like that, that is only used by the "View" and "Controller" layer of the MVC which is not part of the "Model" in the sense that is used only for easy retrieval and display of information. This MovieView object will have a title, registerDate and # of Comments so the thing would look something like this: /** * Returns a collection of the x most recently added movies * @param x the amount of movies to return * @return A collection of movies * @throws SQLException */ public Collection<Movie2> getXRecentlyAddedMovies(int x) throws SQLException; The .jsp: <c:forEach var="movie2" items="${movies2}"> ... <c:out value="${movie2.title}"/> <c:out value="${movie2.registerDate}"/> <c:out value="${movie2.noOfComments}"/> ... </c:forEach> b) Add to the Collection the movie has, empty Comments (there is no actual need to retrieve all the comment data from the database) so that the comment's collection.size() will show the number of comments that movie has. (This sounds horrible to me) c) Add to the "Movie" object an instance field noOfComments with the setter and getter that will help with this type of cases even if, looking only from the object point of view, it is a redundant field since it already has a Collection that is ".size()"able . d) Make the MovieManager retrieve some structure like a Map or a Collection of a two component array or something like that that will contain both a Movie object and the associated number of comments and with JSLT iterate over it and show it accordingly.

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• Padding error - when using AES Encryption in Java and Decryption in C

  - by user234445

  Hi All, I have a problem while decrypting the xl file in rijndael 'c' code (The file got encrypted in Java through JCE) and this problem is happening only for the excel files types which having formula's. Remaining all file type encryption/decryption is happening properly. (If i decrypt the same file in java the output is coming fine.) While i am dumped a file i can see the difference between java decryption and 'C' file decryption. od -c -b filename(file decrypted in C) 0034620 005 006 \0 \0 \0 \0 022 \0 022 \0 320 004 \0 \0 276 4 005 006 000 000 000 000 022 000 022 000 320 004 000 000 276 064 0034640 \0 \0 \0 \0 \f \f \f \f \f \f \f \f \f \f \f \f 000 000 000 000 014 014 014 014 014 014 014 014 014 014 014 014 0034660 od -c -b filename(file decrypted in Java) 0034620 005 006 \0 \0 \0 \0 022 \0 022 \0 320 004 \0 \0 276 4 005 006 000 000 000 000 022 000 022 000 320 004 000 000 276 064 0034640 \0 \0 \0 \0 000 000 000 000 0034644 (the above is the difference between the dumped files) The following java code i used to encrypt the file. public class AES { /** * Turns array of bytes into string * * @param buf Array of bytes to convert to hex string * @return Generated hex string */ public static void main(String[] args) throws Exception { File file = new File("testxls.xls"); byte[] lContents = new byte[(int) file.length()]; try { FileInputStream fileInputStream = new FileInputStream(file); fileInputStream.read(lContents); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e1) { e1.printStackTrace(); } try { KeyGenerator kgen = KeyGenerator.getInstance("AES"); kgen.init(256); // 192 and 256 bits may not be available // Generate the secret key specs. SecretKey skey = kgen.generateKey(); //byte[] raw = skey.getEncoded(); byte[] raw = "aabbccddeeffgghhaabbccddeeffgghh".getBytes(); SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES"); Cipher cipher = Cipher.getInstance("AES"); cipher.init(Cipher.ENCRYPT_MODE, skeySpec); byte[] encrypted = cipher.doFinal(lContents); cipher.init(Cipher.DECRYPT_MODE, skeySpec); byte[] original = cipher.doFinal(lContents); FileOutputStream f1 = new FileOutputStream("testxls_java.xls"); f1.write(original); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } } I used the following file for decryption in 'C'. #include <stdio.h> #include "rijndael.h" #define KEYBITS 256 #include <stdio.h> #include "rijndael.h" #define KEYBITS 256 int main(int argc, char **argv) { unsigned long rk[RKLENGTH(KEYBITS)]; unsigned char key[KEYLENGTH(KEYBITS)]; int i; int nrounds; char dummy[100] = "aabbccddeeffgghhaabbccddeeffgghh"; char *password; FILE *input,*output; password = dummy; for (i = 0; i < sizeof(key); i++) key[i] = *password != 0 ? *password++ : 0; input = fopen("doc_for_logu.xlsb", "rb"); if (input == NULL) { fputs("File read error", stderr); return 1; } output = fopen("ori_c_res.xlsb","w"); nrounds = rijndaelSetupDecrypt(rk, key, 256); while (1) { unsigned char plaintext[16]; unsigned char ciphertext[16]; int j; if (fread(ciphertext, sizeof(ciphertext), 1, input) != 1) break; rijndaelDecrypt(rk, nrounds, ciphertext, plaintext); fwrite(plaintext, sizeof(plaintext), 1, output); } fclose(input); fclose(output); }

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• Android Dev Help: Saving an image from Res/raw or Asset folder to the Sd card

  - by Lucy

  Android Development Query Hello, I wonder if anyone could help me, i am trying to save an image (jpg or png) from the res/raw or assets folder to the SD card location (/sdcard/DCIM/). I have been following a tutorial which can save an image from a URL to the SD card Root, but i have looked everywhere to be able to save from res/raw or asset folder instead, and to a differnet location onthe sd card /sdcard/DCIM/ Here is the code, can anyone show me how to do the above from this? Thanks Lucy public class home extends Activity { private File file; private String imgNumber; private Button btnDownload; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); btnDownload=(Button)findViewById(R.id.btnDownload); btnDownload.setOnClickListener(new OnClickListener() { public void onClick(View v) { btnDownload.setText("Download is in Progress."); String savedFilePath=Download("http://www.domain.com/android1.png"); Toast.makeText(getApplicationContext(), "File is Saved in "+savedFilePath, 1000).show(); if(savedFilePath!=null) { btnDownload.setText("Download Completed."); } } }); } public String Download(String Url) { String filepath=null; try { //set the download URL, a url that points to a file on the internet //this is the file to be downloaded URL url = new URL(Url); //create the new connection HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection(); //set up some things on the connection urlConnection.setRequestMethod("GET"); urlConnection.setDoOutput(true); //and connect! urlConnection.connect(); //set the path where we want to save the file //in this case, going to save it on the root directory of the //sd card. File SDCardRoot = Environment.getExternalStorageDirectory(); //create a new file, specifying the path, and the filename //which we want to save the file as. String filename= "download_"+System.currentTimeMillis()+".png"; // you can download to any type of file ex:.jpeg (image) ,.txt(text file),.mp3 (audio file) Log.i("Local filename:",""+filename); file = new File(SDCardRoot,filename); if(file.createNewFile()) { file.createNewFile(); } //this will be used to write the downloaded data into the file we created FileOutputStream fileOutput = new FileOutputStream(file); //this will be used in reading the data from the internet InputStream inputStream = urlConnection.getInputStream(); //this is the total size of the file int totalSize = urlConnection.getContentLength(); //variable to store total downloaded bytes int downloadedSize = 0; //create a buffer... byte[] buffer = new byte[1024]; int bufferLength = 0; //used to store a temporary size of the buffer //now, read through the input buffer and write the contents to the file while ( (bufferLength = inputStream.read(buffer)) > 0 ) { //add the data in the buffer to the file in the file output stream (the file on the sd card fileOutput.write(buffer, 0, bufferLength); //add up the size so we know how much is downloaded downloadedSize += bufferLength; //this is where you would do something to report the prgress, like this maybe Log.i("Progress:","downloadedSize:"+downloadedSize+"totalSize:"+ totalSize) ; btnDownload.setText("download Status:"+downloadedSize+" / "+totalSize); } //close the output stream when done fileOutput.close(); if(downloadedSize==totalSize) filepath=file.getPath(); //catch some possible errors... } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { filepath=null; btnDownload.setText("Internet Connection Failed.\n"+e.getMessage()); e.printStackTrace(); } Log.i("filepath:"," "+filepath) ; return filepath; } }

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• camera preview portrait problem in android application

  - by sujitjitu

  Hi this is my code for simple camera application in android .i have copied it from unlocking android e-book . Everything is working fine in emulator but when i am installing it in device the camera preview is working only in landscape mode. I have tried many thing but could not find any solution. Please see the code below and if you have any solution for it than it will be helpful to me. this is the code....... public class SimpleCamera extends Activity implements SurfaceHolder.Callback { private Camera camera; private boolean isPreviewRunning = false; private SimpleDateFormat timeStampFormat = new SimpleDateFormat("yyyyMMddHHmmssSS"); private SurfaceView surfaceView; private SurfaceHolder surfaceHolder; private Uri targetResource = Media.EXTERNAL_CONTENT_URI; public void onCreate(Bundle icicle) { super.onCreate(icicle); Window window = getWindow(); window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); window.addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN); getWindow().setFormat(PixelFormat.TRANSLUCENT); setContentView(R.layout.main); surfaceView = (SurfaceView)findViewById(R.id.surface); surfaceHolder = surfaceView.getHolder(); surfaceHolder.getSurface(); // Surface.setOrientation(Display.DEFAULT_DISPLAY,Surface.ROTATION_180); //didn't work at all surfaceHolder.addCallback(this); surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); } public boolean onCreateOptionsMenu(android.view.Menu menu) { MenuItem item = menu.add(0, 0, 0, "View Pictures"); item.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() { public boolean onMenuItemClick(MenuItem item) { Intent intent = new Intent(Intent.ACTION_VIEW, targetResource); startActivity(intent); return true; } }); return true; } protected void onRestoreInstanceState(Bundle savedInstanceState) { super.onRestoreInstanceState(savedInstanceState); } Camera.PictureCallback mPictureCallbackRaw = new Camera.PictureCallback() { public void onPictureTaken(byte[] data, Camera c) { camera.startPreview(); } }; Camera.ShutterCallback mShutterCallback = new Camera.ShutterCallback() { public void onShutter() { } }; public boolean onKeyDown(int keyCode, KeyEvent event) { ImageCaptureCallback camDemo = null; if(keyCode == KeyEvent.KEYCODE_DPAD_CENTER) { try { String filename = timeStampFormat.format(new Date()); ContentValues values = new ContentValues(); values.put(Media.TITLE, filename); values.put(Media.DESCRIPTION, "Image from Android Emulator"); Uri uri = getContentResolver().insert(Media.EXTERNAL_CONTENT_URI, values); camDemo = new ImageCaptureCallback( getContentResolver().openOutputStream(uri)); } catch(Exception ex ){ } } if (keyCode == KeyEvent.KEYCODE_BACK) { return super.onKeyDown(keyCode, event); } if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER) { camera.takePicture(mShutterCallback, mPictureCallbackRaw, camDemo); return true; } return false; } protected void onResume() { Log.e(getClass().getSimpleName(), "onResume"); super.onResume(); } protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); } protected void onStop() { super.onStop(); } public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { if (isPreviewRunning) { camera.stopPreview(); } Camera.Parameters p = camera.getParameters(); p.setPreviewSize(w,h); //p.set("rotation","90"); // it didn't work //P.setRotation(90); // only work in 2.0 or later SDK but i am using 1.5 camera.setParameters(p); try { camera.setPreviewDisplay(holder); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } camera.startPreview(); isPreviewRunning = true; } public void surfaceCreated(SurfaceHolder holder) { camera = Camera.open(); } public void surfaceDestroyed(SurfaceHolder holder) { camera.stopPreview(); isPreviewRunning = false; camera.release(); } } any help will be appreciated..

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• getting base64 content string of an image from a mimepart in Java

  - by Bas van den Broek

  Hello, I am trying to get the base64 content of a MimePart in a MimeMultiPart, but I'm struggling with the Javamail package. I simply want the base64 encoded String of a certain inline image, there doesn't seem to be an easy way to do this though. I wrote a method that will take the mime content (as a string) and an image name as a parameter, and searches for the part that contains the base64 content of that image name, and in the end returns this base64 string (as well as the content type but that is irrelevant for this question) Here is the relevant code: private static String[] getBase64Content(String imageName, String mimeString) throws MessagingException, IOException { System.out.println("image name: " + imageName + "\n\n"); System.out.println("mime string: " + mimeString); String[] base64Content = new String[2]; base64Content[0] = ""; base64Content[1] = "image/jpeg"; //some default value DataSource source = new ByteArrayDataSource(new ByteArrayInputStream(mimeString.getBytes()), "multipart/mixed"); MimeMultipart mp = new MimeMultipart(source); for (int i = 0; i < mp.getCount(); i++) { MimePart part = (MimePart) mp.getBodyPart(i); String disposition = part.getDisposition(); if (disposition != null && disposition.equals(Part.INLINE)) { if (part.getContentID() != null && part.getContentID().indexOf(imageName) > -1) //check if this is the right part { if (part.getContent() instanceof BASE64DecoderStream) { BASE64DecoderStream base64DecoderStream = (BASE64DecoderStream) part.getContent(); StringWriter writer = new StringWriter(); IOUtils.copy(base64DecoderStream, writer); String base64decodedString = writer.toString(); byte[] encodedMimeByteArray = Base64.encodeBase64(base64decodedString.getBytes()); String encodedMimeString = new String(encodedMimeByteArray); System.out.println("encoded mime string: " + encodedMimeString); base64Content[0] = encodedMimeString; base64Content[1] = getContentTypeString(part); } } } } return base64Content; } I cannot paste all of the output as the post would be too long, but this is some of it: image name: [email protected] This is a part of the mimeString input, it does find this (correct) part with the image name: --_004_225726A14AF9134CB538EE7BD44373A04D9E3F3940menexch2007ex_ Content-Type: image/gif; name="image001.gif" Content-Description: image001.gif Content-Disposition: inline; filename="image001.gif"; size=1070; creation-date="Fri, 02 Apr 2010 16:19:43 GMT"; modification-date="Fri, 02 Apr 2010 16:19:43 GMT" Content-ID: <[email protected]> Content-Transfer-Encoding: base64 R0lGODlhEAAQAPcAABxuHJzSlDymHGy2XHTKbITCdNTu1FyqTHTCXJTKhLTarCSKHEy2JHy6bJza lITKfFzCPEyWPHS+XHzCbJzSjFS+NLTirBx6HHzKdOz27GzCZJTOjCyWHKzWpHy2ZJTGhHS+VLzi (more base64 string here that I'm not going to paste) But when it finally prints the encoded mime string, this is a different string than I was expecting: encoded mime string: R0lGODlhEAAQAO+/vQAAHG4c77+90pQ877+9HGzvv71cdO+/vWzvv73vv71077+977+977+9XO+/vUx077+9XO+/vcqE77+92qwk77+9HEzvv70kfO+/vWzvv73alO+ Clearly different from the one that has its output in the part above. I'm not even sure what I'm looking at here, but when I try to load this as an image in a html page, it won't work. This is fairly frustrating for me, since all I want is a piece of the text that I'm already printing, but I'd rather not have to search through the mime string myself for the correct part, introducing all kinds of bugs.So I'd really prefer to use the Javamail library but could use some help on how to actually get that correct mime string.

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• FolderClosed Exception in Javamail

  - by SikhWarrior

  Im trying to create a simple mail client in android, and I have the android version of javamail compiling and running in my app. However, whenever I try to connect and receive mail, I get a Folder Closed exception seen below. 10-23 12:12:13.484: W/System.err(6660): javax.mail.FolderClosedException 10-23 12:12:13.484: W/System.err(6660): at com.sun.mail.imap.IMAPMessage.getProtocol(IMAPMessage.java:149) 10-23 12:12:13.484: W/System.err(6660): at com.sun.mail.imap.IMAPMessage.loadBODYSTRUCTURE(IMAPMessage.java:1262) 10-23 12:12:13.484: W/System.err(6660): at com.sun.mail.imap.IMAPMessage.getDataHandler(IMAPMessage.java:616) 10-23 12:12:13.484: W/System.err(6660): at javax.mail.internet.MimeMessage.getContent(MimeMessage.java:1398) 10-23 12:12:13.484: W/System.err(6660): at com.teamzeta.sfu.Util.MailHelper.getMessageHTML(MailHelper.java:60) 10-23 12:12:13.484: W/System.err(6660): at com.teamzeta.sfu.GetAsyncEmails.onPostExecute(EmailActivity.java:31) 10-23 12:12:13.484: W/System.err(6660): at com.teamzeta.sfu.GetAsyncEmails.onPostExecute(EmailActivity.java:1) 10-23 12:12:13.484: W/System.err(6660): at android.os.AsyncTask.finish(AsyncTask.java:631) 10-23 12:12:13.484: W/System.err(6660): at android.os.AsyncTask.access$600(AsyncTask.java:177) 10-23 12:12:13.484: W/System.err(6660): at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:644) 10-23 12:12:13.484: W/System.err(6660): at android.os.Handler.dispatchMessage(Handler.java:99) 10-23 12:12:13.484: W/System.err(6660): at android.os.Looper.loop(Looper.java:137) 10-23 12:12:13.484: W/System.err(6660): at android.app.ActivityThread.main(ActivityThread.java:5227) 10-23 12:12:13.484: W/System.err(6660): at java.lang.reflect.Method.invokeNative(Native Method) 10-23 12:12:13.484: W/System.err(6660): at java.lang.reflect.Method.invoke(Method.java:511) 10-23 12:12:13.484: W/System.err(6660): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795) 10-23 12:12:13.484: W/System.err(6660): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562) 10-23 12:12:13.494: W/System.err(6660): at dalvik.system.NativeStart.main(Native Method) My code is as follows: public static Message[] getAllMail(String user, String pwd){ String host = "imap.sfu.ca"; final Message[] NO_MESSAGES = {}; Properties properties = System.getProperties(); properties.setProperty("mail.imap.socketFactory.class", "javax.net.ssl.SSLSocketFactory"); properties.setProperty("mail.imap.socketFactory.port", "993"); Session session = Session.getDefaultInstance(properties); try { Store store = session.getStore("imap"); store.connect(host, user, pwd); Folder folder = store.getFolder("inbox"); folder.open(Folder.READ_ONLY); Message[] messages = folder.getMessages(); folder.close(true); store.close(); Log.d("####TEAM ZETA DEBUG####", "Content: " + messages.length); return messages; } catch (NoSuchProviderException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (MessagingException e) { // TODO Auto-generated catch block e.printStackTrace(); } Log.d("####TEAM ZETA DEBUG####", "Returning NO_MESSAGES"); return NO_MESSAGES; } public static String getMessageHTML(Message message){ Object msgContent; try { msgContent = message.getContent(); if (msgContent instanceof Multipart) { Multipart mp = (Multipart) msgContent; for (int i = 0; i < mp.getCount(); i++) { BodyPart bp = mp.getBodyPart(i); if (Pattern .compile(Pattern.quote("text/html"), Pattern.CASE_INSENSITIVE) .matcher(bp.getContentType()).find()) { // found html part return (String) bp.getContent(); } else { // some other bodypart... } } } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (MessagingException e) { // TODO Auto-generated catch block e.printStackTrace(); } return "Something went wrong"; } I couldn't find anything helpful on the web, does anyone have an ideas why this is happening?? This is called in class GetAsyncEmails extends AsyncTask<String, Integer, Message[]>{ @Override protected Message[] doInBackground(String... args) { // TODO Auto-generated method stub Message[] messages = MailHelper.getAllMail(args[0], args[1]); return messages; } protected void onPostExecute(Message[] result){ if(result.length > 1){ Message message = result[0]; String content = MailHelper.getMessageHTML(message); System.out.println("####TEAM ZETA DEBUG####" + content); } } }

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