java.lang.OutOfMemoryError: GC overhead limit exceeded
   at org.openide.util.WeakListenerImpl$ListenerReference$1.<init>(WeakListenerImpl.java:568)
   at org.openide.util.WeakListenerImpl$ListenerReference.requestCleanUp(WeakListenerImpl.java:567)
   at org.openide.util.WeakListenerImpl.get(WeakListenerImpl.java:156)
   at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:484)
   at com.sun.proxy.$Proxy1.fileDataCreated(.java:0)
   at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEventImpl(FCLSupport.java:172)
   at org.openide.filesystems.FCLSupport$DispatchEventWrapperMulti.dispatchAllEventsSync(FCLSupport.java:248)
   at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEvent(FCLSupport.java:137)
   at org.openide.filesystems.FCLSupport.dispatchEvent(FCLSupport.java:112)
   at org.openide.filesystems.FileObject$ED.dispatch(FileObject.java:1435)
   at org.openide.filesystems.FileSystem$EventDispatcher.run(FileSystem.java:795)
   at org.openide.filesystems.EventControl.dispatchEvent(EventControl.java:84)
   at org.openide.filesystems.FileSystem.dispatchEvent(FileSystem.java:554)
   at org.openide.filesystems.FileObject.dispatchEvent(FileObject.java:644)
   at org.openide.filesystems.FileObject.fireFileDataCreatedEvent(FileObject.java:596)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.BaseFileObj.fireFileDataCreatedEvent(BaseFileObj.java:667)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FolderObj.createDataImpl(FolderObj.java:385)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FolderObj$1.call(FolderObj.java:315)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FolderObj$1.call(FolderObj.java:313)
   at org.netbeans.modules.masterfs.filebasedfs.FileBasedFileSystem.runAsInconsistent(FileBasedFileSystem.java:122)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FolderObj.createData(FolderObj.java:318)
   at org.openide.filesystems.FileUtil.createData(FileUtil.java:788)
   at org.netbeans.modules.maven.j2ee.CopyOnSave.ensureDestinationFileExists(CopyOnSave.java:146)
   at org.netbeans.modules.maven.j2ee.web.WebCopyOnSave.access$1000(WebCopyOnSave.java:94)
   at org.netbeans.modules.maven.j2ee.web.WebCopyOnSave$FileListenerImpl.copyFileToDestDir(WebCopyOnSave.java:513)
   at org.netbeans.modules.maven.j2ee.web.WebCopyOnSave$FileListenerImpl.handleFileCopying(WebCopyOnSave.java:419)
   at org.netbeans.modules.maven.j2ee.web.WebCopyOnSave$FileListenerImpl.handleFileChangeEvent(WebCopyOnSave.java:399)
   at org.netbeans.modules.maven.j2ee.web.WebCopyOnSave$FileListenerImpl.handleFolderCreated(WebCopyOnSave.java:387)
   at org.netbeans.modules.maven.j2ee.web.WebCopyOnSave$FileListenerImpl.fileFolderCreated(WebCopyOnSave.java:259)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectKeeper.fileFolderCreated(FileObjectKeeper.java:318)
   at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEventImpl(FCLSupport.java:175)
   at org.openide.filesystems.FCLSupport$DispatchEventWrapperSingle.dispatchAllEventsSync(FCLSupport.java:224)