java.lang.OutOfMemoryError: GC overhead limit exceeded
   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.$Proxy1.fileDeleted(.java:0)
   at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEventImpl(FCLSupport.java:181)
   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.EventControl.invokeDispatchers(EventControl.java:213)
   at org.openide.filesystems.EventControl.exitAtomicAction(EventControl.java:188)
   at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:129)
   at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:519)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.refreshFor(FileObjectFactory.java:870)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.RootObj.invokeRefreshFor(RootObj.java:199)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.RootObj.invokeRefreshFor(RootObj.java:145)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.RootObj.setAttribute(RootObj.java:138)
   at org.openide.filesystems.FileUtil.refreshFor(FileUtil.java:186)
   at org.netbeans.modules.maven.api.NbMavenProject.doFireReload(NbMavenProject.java:571)
   at org.netbeans.modules.maven.api.NbMavenProject.access$200(NbMavenProject.java:95)
   at org.netbeans.modules.maven.api.NbMavenProject$AccessorImpl.doFireReload(NbMavenProject.java:141)
   at org.netbeans.modules.maven.NbMavenProjectImpl$1.run(NbMavenProjectImpl.java:151)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)