java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:0)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.netbeans.core.startup.layers.BinaryFS$AttrImpl.methodValue(BinaryFS.java:559)
        at org.netbeans.core.startup.layers.BinaryFS$AttrImpl.getValue(BinaryFS.java:459)
        at org.netbeans.core.startup.layers.BinaryFS$BFSBase.getAttribute(BinaryFS.java:346)
        at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:808)
        at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:768)
        at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:804)
        at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:768)
        at org.openide.filesystems.MultiFileObject.getAttribute(MultiFileObject.java:693)
        at org.openide.loaders.InstanceDataObject$Ser.instanceCreate(InstanceDataObject.java:1187)
        at org.openide.loaders.InstanceDataObject.instanceCreate(InstanceDataObject.java:695)
        at org.openide.loaders.FolderLookup$ICItem.getInstance(FolderLookup.java:515)
        at org.openide.util.lookup.AbstractLookup.lookup(AbstractLookup.java:344)
        at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:192)
        at org.netbeans.modules.j2ee.deployment.impl.Server.<init>(Server.java:79)
        at org.netbeans.modules.j2ee.deployment.impl.ServerRegistry.addPlugin(ServerRegistry.java:123)
        at org.netbeans.modules.j2ee.deployment.impl.ServerRegistry.init(ServerRegistry.java:93)
        at org.netbeans.modules.j2ee.deployment.impl.ServerRegistry.instancesMap(ServerRegistry.java:114)
        at org.netbeans.modules.j2ee.deployment.impl.ServerRegistry.getInstanceURLs(ServerRegistry.java:200)
        at org.netbeans.modules.j2ee.deployment.plugins.api.InstanceProperties.getInstanceList(InstanceProperties.java:173)
        at org.netbeans.modules.j2ee.deployment.devmodules.api.Deployment.getServerInstanceIDs(Deployment.java:182)
        at org.netbeans.modules.j2ee.deployment.impl.query.J2eePlatformSourceForBinaryQuery.findSourceRoots(J2eePlatformSourceForBinaryQuery.java:68)
        at org.netbeans.modules.java.source.classpath.CacheSourceForBinaryQueryImpl.findSourceRoots(CacheSourceForBinaryQueryImpl.java:52)
        at org.netbeans.api.java.queries.SourceForBinaryQuery.findSourceRoots(SourceForBinaryQuery.java:67)
        at org.netbeans.api.java.source.SourceUtils.getFile(SourceUtils.java:365)
        at org.netbeans.modules.java.j2seproject.MainClassUpdater$2.run(MainClassUpdater.java:169)
        at org.netbeans.modules.java.j2seproject.MainClassUpdater$2.run(MainClassUpdater.java:165)
        at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:563)
        at org.netbeans.api.java.source.JavaSource$CompilationJob.run(JavaSource.java:1425)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:417)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
        at java.util.concurrent.FutureTask.run(FutureTask.java:123)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
        at java.lang.Thread.run(Thread.java:595)