java.io.IOException while downloading signed jar using JNLP - java-web-start

I have signed my app jar using jks exported from my Websphere Application server. I am getting following error
java.io.IOException: Cannot find cached resource for URL: http://aaa.com/RAISAISLogonWeb/LogonApp.jar
at com.sun.deploy.cache.Cache.getCachedResourceFilePath(Unknown Source)
at com.sun.deploy.cache.ResourceProviderImpl.getCachedResourceFilePath(Unknown Source)
at com.sun.javaws.security.JNLPSignedResourcesHelper.getSignedJNLPBits(Unknown Source)
at com.sun.javaws.security.JNLPSignedResourcesHelper.getSignedJNLPFile(Unknown Source)
at com.sun.javaws.security.JNLPSignedResourcesHelper.checkSignedLaunchDescHelper(Unknown Source)
at com.sun.javaws.security.JNLPSignedResourcesHelper.checkSignedLaunchDesc(Unknown Source)
at com.sun.javaws.security.JNLPSignedResourcesHelper.checkSignedLaunchDesc(Unknown Source)
at com.sun.javaws.Launcher.prepareResources(Unknown Source)
at com.sun.javaws.Launcher.prepareAllResources(Unknown Source)
at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
at com.sun.javaws.Launcher.launch(Unknown Source)
at com.sun.javaws.Main.launchApp(Unknown Source)
at com.sun.javaws.Main.continueInSecureThread(Unknown Source)
at com.sun.javaws.Main.access$000(Unknown Source)
at com.sun.javaws.Main$1.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Here is my jnlp
<jnlp spec="1.0+" codebase="http://camdv1lwsl01.cammis.local/RAISAISLogonWeb/">
<information>
<title>Logon App</title>
<vendor>aaa.com</vendor>
</information>
<resources>
<property name="jnlp.publish-url" value="http://aaa.com/LogonWeb/"/>
<j2se version="1.7*" java-vm-args="-Xmx32m" max-heap-size="32m" href="http://java.com/en/download/index.jsp"/>
<jar href="LogonApp.jar" main="true" download="eager"/>
</resources>
<application-desc name="Logon App" main-class="com.aaa.LogonApp">
<argument>xkckdfdwfwffwff</argument>
</application-desc>
<security>
<all-permissions/>
</security>
</jnlp>
Please help me to solve the issue.
Thanks

Related

.mexa64 file doesn't execute

I have created a mex file but when I try to execute it I get this error in the command line:
java.lang.UnsatisfiedLinkError: no nativeservices in java.library.path
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.loadLibrary0(Unknown Source)
at java.lang.System.loadLibrary(Unknown Source)
at com.mathworks.services.Prefs.<clinit>(Prefs.java:167)
at com.mathworks.fatalexit.FatalExitFrame.<init>(FatalExitFrame.java:137)
at com.mathworks.fatalexit.FatalExitFrame$13.run(FatalExitFrame.java:770)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Exception in thread "AWT-EventQueue-0" java.lang.UnsatisfiedLinkError: com.mathworks.services.Prefs.nativeGetPreferencesDirectory()Ljava/lang/String;
at com.mathworks.services.Prefs.nativeGetPreferencesDirectory(Native Method)
at com.mathworks.services.Prefs.getPropertyDirectory(Prefs.java:198)
at com.mathworks.services.Prefs.load(Prefs.java:254)
at com.mathworks.services.Prefs.<clinit>(Prefs.java:174)
at com.mathworks.fatalexit.FatalExitFrame.<init>(FatalExitFrame.java:137)
at com.mathworks.fatalexit.FatalExitFrame$13.run(FatalExitFrame.java:770)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Killed
I am using Ubuntu 16.04 and MatlabR2016b with an official license. I am new to ubuntu and to .mex files so I don't really know what's going on.
This thread looks similar. From what it seems to me, your path doesn't have the required classfile nativeservices.

SonarQube not starting without embedded database

I've tried to upgrade Sonar 3.5.1 to the latest version SonarQube 4.0. I did all the recommended upgrade steps and updated the new configuration files with proper values from the older versions.
For some reason, when I switch to a external postgres database (disabling the embedded H2) which holds our data, I always get a JNPE
2013.12.19 13:43:27 ERROR o.s.s.p.PlatformLifecycleListener Fail to start server
java.lang.NullPointerException: null
at org.sonar.server.db.EmbeddedDatabaseFactory.start(EmbeddedDatabaseFactory.java:37) ~[EmbeddedDatabaseFactory.class:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.7.0_07]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.7.0_07]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.7.0_07]
at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.7.0_07]
at org.picocontainer.lifecycle.ReflectionLifecycleStrategy.invokeMethod(ReflectionLifecycleStrategy.java:110) ~[picocontainer-2.14.3.jar:na]
at org.picocontainer.lifecycle.ReflectionLifecycleStrategy.start(ReflectionLifecycleStrategy.java:89) ~[picocontainer-2.14.3.jar:na]
at org.picocontainer.injectors.AbstractInjectionFactory$LifecycleAdapter.start(AbstractInjectionFactory.java:84) ~[picocontainer-2.14.3.jar:na]
at org.picocontainer.behaviors.AbstractBehavior.start(AbstractBehavior.java:169) ~[picocontainer-2.14.3.jar:na]
at org.picocontainer.behaviors.Stored$RealComponentLifecycle.start(Stored.java:132) ~[picocontainer-2.14.3.jar:na]
at org.picocontainer.behaviors.Stored.start(Stored.java:110) ~[picocontainer-2.14.3.jar:na]
at org.picocontainer.DefaultPicoContainer.potentiallyStartAdapter(DefaultPicoContainer.java:1015) ~[picocontainer-2.14.3.jar:na]
at org.picocontainer.DefaultPicoContainer.startAdapters(DefaultPicoContainer.java:1008) ~[picocontainer-2.14.3.jar:na]
at org.picocontainer.DefaultPicoContainer.start(DefaultPicoContainer.java:766) ~[picocontainer-2.14.3.jar:na]
at org.sonar.api.platform.ComponentContainer.startComponents(ComponentContainer.java:91) ~[sonar-plugin-api-4.0.jar:na]
at org.sonar.server.platform.Platform.startDatabaseConnectors(Platform.java:245) ~[Platform.class:na]
at org.sonar.server.platform.Platform.init(Platform.java:193) ~[Platform.class:na]
at org.sonar.server.platform.PlatformLifecycleListener.contextInitialized(PlatformLifecycleListener.java:35) ~[PlatformLifecycleListener.class:na]
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4939) [tomcat-embed-core-7.0.42.jar:7.0.42]
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5434) [tomcat-embed-core-7.0.42.jar:7.0.42]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) [tomcat-embed-core-7.0.42.jar:7.0.42]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559) [tomcat-embed-core-7.0.42.jar:7.0.42]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549) [tomcat-embed-core-7.0.42.jar:7.0.42]
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) [na:1.7.0_07]
at java.util.concurrent.FutureTask.run(Unknown Source) [na:1.7.0_07]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [na:1.7.0_07]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [na:1.7.0_07]
at java.lang.Thread.run(Unknown Source) [na:1.7.0_07]
Any Ideas?
It is not possible to migrate from H2 to PostgreSQL.
Try to install a fresh new instance of SonarQube.

Pong game with graphics class and inheritance issue

I've got this lab for a class that creates a pong-like game and I've put the .java files for this lab accordingly on pastebin at the following links:
Ball.java: http://pastebin.com/VMg75i8U
Block.java: http://pastebin.com/T7GCTh4z
BallTestTwo.java: http://pastebin.com/gZgR8d2J
Tester.java: http://pastebin.com/fG5f5zZR
Locatable.java: http://pastebin.com/GE77PLJk
My issue is that I've got the blocks working just fine, as in I can run Tester.java with the ball line commented out and get my desired result. However, when I run it with the ball line uncommented, I get errors and just a blank white canvas.
Here are links to word docs of the lab descriptions if you need clarification on what the end result should be. https://docs.google.com/file/d/0B_ifaCiEZgtcTVFPX0t2Mzhzczg/edit?usp=sharing
https://docs.google.com/file/d/0B_ifaCiEZgtcMFVWYXIxdjZsdDQ/edit?usp=sharing
EDIT
The errors I'm receiving are these forever repeated until I force terminate the program:
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at BallTestTwo.paint(BallTestTwo.java:42)
at BallTestTwo.update(BallTestTwo.java:37)
at sun.awt.RepaintArea.updateComponent(Unknown Source)
at sun.awt.RepaintArea.paint(Unknown Source)
at sun.awt.windows.WComponentPeer.handleEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)

GWT Deploying to Google has encountered a fault

Got an error I can't fix. Looks like a memory issue but the stack trace is kind of looping as if the is an infinite loop in the compilation?
Running Eclipse Juno
Working with Google App engine.
I get an error when I try to deploy one app to GAE however another Google App Engine app works.
Errors I see:
GWT compilation failed
The site.xml file downloaded from the update site does not contain any elements with an id of 'com.google.appengine.eclipse.sdkbundle.e42.feature'. Unable to determine if there are updates available.
eclipse.buildId=M20120914-1800
java.version=1.7.0_01
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
Framework arguments: -product org.eclipse.epp.package.jee.product -product org.eclipse.epp.package.jee.product
Command-line arguments: -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.jee.product -data C:\Users\myuser\workspacejuno -product org.eclipse.epp.package.jee.product
[ERROR] Failure in unit cache map load.
And the complete stack dump/trace:
[ERROR] Failure in unit cache map load.
java.util.concurrent.ExecutionException: java.lang.StackOverflowError
at java.util.concurrent.FutureTask$Sync.innerGet(Unknown Source)
at java.util.concurrent.FutureTask.get(Unknown Source)
at com.google.gwt.dev.javac.PersistentUnitCache.awaitUnitCacheMapLoad(PersistentUnitCache.java:466)
at com.google.gwt.dev.javac.PersistentUnitCache.find(PersistentUnitCache.java:391)
at com.google.gwt.dev.javac.CompilationStateBuilder.addArchive(CompilationStateBuilder.java:365)
at com.google.gwt.dev.ArchivePreloader.preloadArchives(ArchivePreloader.java:65)
at com.google.gwt.dev.Precompile.precompile(Precompile.java:243)
at com.google.gwt.dev.Precompile.precompile(Precompile.java:229)
at com.google.gwt.dev.Precompile.precompile(Precompile.java:141)
at com.google.gwt.dev.Compiler.run(Compiler.java:232)
at com.google.gwt.dev.Compiler.run(Compiler.java:198)
at com.google.gwt.dev.Compiler$1.run(Compiler.java:170)
at com.google.gwt.dev.CompileTaskRunner.doRun(CompileTaskRunner.java:88)
at com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(CompileTaskRunner.java:82)
at com.google.gwt.dev.Compiler.main(Compiler.java:177)
Caused by: java.lang.StackOverflowError
at java.io.ObjectInputStream$PeekInputStream.peek(Unknown Source)
at java.io.ObjectInputStream$BlockDataInputStream.readBlockHeader(Unknown Source)
at java.io.ObjectInputStream$BlockDataInputStream.refill(Unknown Source)
at java.io.ObjectInputStream$BlockDataInputStream.read(Unknown Source)
at java.io.ObjectInputStream.read(Unknown Source)
at java.io.InputStream.read(Unknown Source)
at com.google.gwt.dev.util.DiskCache.transferFromStream(DiskCache.java:159)
at com.google.gwt.dev.util.DiskCacheToken.readObject(DiskCacheToken.java:87)
at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
com.google.gwt.dev.javac.CachedCompilationUnit.readObject(CachedCompilationUnit.java:204)
[loops this a few time, sorry could not post it all, its too long.
at sun.reflect.GeneratedMethodAccessor19.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.skipCustomData(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.defaultReadObject(Unknown Source)
at com.google.gwt.dev.javac.CachedCompilationUnit.readObject(CachedCompilationUnit.java:204)
at sun.reflect.GeneratedMethodAccessor19.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.skipCustomData(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.defaultReadObject(Unknown Source)
at com.google.gwt.dev.javac.CachedCompilationUnit.readObject(CachedCompilationUnit.java:204)
at sun.reflect.GeneratedMethodAccessor19.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.skipCustomData(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.defaultReadObject(Unknown Source)
at com.google.gwt.dev.javac.CachedCompilationUnit.readObject(CachedCompilationUnit.java:204)
at sun.reflect.GeneratedMethodAccessor19.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.skipCustomData(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.defaultReadObject(Unknown Source)
at com.google.gwt.dev.javac.CachedCompilationUnit.readObject(CachedCompilationUnit.java:204)
at sun.reflect.GeneratedMethodAccessor19.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.skipCustomData(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.defaultReadObject(Unknown Source)
at com.google.gwt.dev.javac.CachedCompilationUnit.readObject(CachedCompilationUnit.java:204)
at sun.reflect.GeneratedMethodAccessor19.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.skipCustomData(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.defaultReadObject(Unknown Source)
at com.google.gwt.dev.javac.CachedCompilationUnit.readObject(CachedCompilationUnit.java:204)
at sun.reflect.GeneratedMethodAccessor19.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.skipCustomData(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.defaultReadObject(Unknown Source)
at com.google.gwt.dev.javac.CachedCompilationUnit.readObject(CachedCompilationUnit.java:204)
at sun.reflect.GeneratedMethodAccessor19.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.skipCustomData(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.defaultReadObject(Unknown Source)
at com.google.gwt.dev.javac.CachedCompilationUnit.readObject(CachedCompilationUnit.java:204)
at sun.reflect.GeneratedMethodAccessor19.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
onStateBuilder.java:466)
at com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:388)
at com.google.gwt.dev.cfg.ModuleDef.getCompilationState(ModuleDef.java:373)
at com.google.gwt.dev.Precompile.precompile(Precompile.java:246)
at com.google.gwt.dev.Precompile.precompile(Precompile.java:229)
at com.google.gwt.dev.Precompile.precompile(Precompile.java:141)
at com.google.gwt.dev.Compiler.run(Compiler.java:232)
at com.google.gwt.dev.Compiler.run(Compiler.java:198)
at com.google.gwt.dev.Compiler$1.run(Compiler.java:170)
at com.google.gwt.dev.CompileTaskRunner.doRun(CompileTaskRunner.java:88)
at com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(CompileTaskRunner.java:82)
at com.google.gwt.dev.Compiler.main(Compiler.java:177)
It's possibly related to a corrupted cache. Delete your gwt-UnitCache folder. If that doesn't work, delete your AppData\Local\Temp files as well (if under Windows) since there are many gwt-generated files there.
Forgive if it is too obvious or out of topic, but did you try to set or modify compiler directive: jvmarg -Xss ?
Something like <jvmarg value="-Xss16M"/> in your build.xml file may help here.

I am trying to send object of custom class through sockets, but It throws the "java.io.NotSerializableException"

The following is the custom class, whose object I am trying to pass:
package dataEx;
import java.io.Serializable;
import java.util.*;
public class dataToExchange implements Serializable
{
public Integer frameIndex;
public Integer xOffsetTank;
}
The relevant client code, where the data is an object I am trying to pass,through writeObject method:
dataToExchange data=new dataToExchange() ;
data.frameIndex=2;
data.xOffsetTank=23;
output.writeObject(data);
The server receiving the object and printing
data_recv=(dataToExchange)input.readObject();
System.out.println(data_recv.xOffsetTank);
The stacktrace:
java.io.NotSerializableException: dataEx.proclient$dataToExchange
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at dataEx.proclient.SendTheChange(proclient.java:283)
at dataEx.proclient.keyDown(proclient.java:256)
at java.awt.Component.handleEvent(Unknown Source)
at java.awt.Component.postEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.KeyboardFocusManager.redispatchEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$000(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
java.net.SocketException: Connection reset by peer: socket write error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(Unknown Source)
at java.net.SocketOutputStream.write(Unknown Source)
at java.io.ObjectOutputStream$BlockDataOutputStream.drain(Unknown Source)
at java.io.ObjectOutputStream$BlockDataOutputStream.setBlockDataMode(Unknown Source)
at java.io.ObjectOutputStream.writeFatalException(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at dataEx.proclient.SendTheChange(proclient.java:283)
at dataEx.proclient.keyDown(proclient.java:256)
at java.awt.Component.handleEvent(Unknown Source)
at java.awt.Component.postEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.KeyboardFocusManager.redispatchEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$000(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
java.net.SocketException: Connection reset by peer: socket write error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(Unknown Source)
at java.net.SocketOutputStream.write(Unknown Source)
at java.io.ObjectOutputStream$BlockDataOutputStream.drain(Unknown Source)
at java.io.ObjectOutputStream$BlockDataOutputStream.setBlockDataMode(Unknown Source)
at java.io.ObjectOutputStream.writeNonProxyDesc(Unknown Source)
at java.io.ObjectOutputStream.writeClassDesc(Unknown Source)
at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.writeFatalException(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at dataEx.proclient.SendTheChange(proclient.java:283)
at dataEx.proclient.keyDown(proclient.java:256)
at java.awt.Component.handleEvent(Unknown Source)
at java.awt.Component.postEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.KeyboardFocusManager.redispatchEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$000(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Wrong class. Check the exception again. You are trying to serialize a class called 'dataToExchange' whose definition is nested inside the class 'proclient', and which isn't Serializable. You have overlooked that you have two classes with the same name, which is hereby demonstrated to be a bad idea.