java.lang.OutOfMemoryError: GC overhead limit exceeded
   at org.openide.nodes.Node.<init>(Node.java:240)
   at org.openide.nodes.FilterNode.<init>(FilterNode.java:206)
   at org.openide.nodes.FilterNode.<init>(FilterNode.java:187)
   at org.openide.nodes.FilterNode.<init>(FilterNode.java:178)
   at org.openide.nodes.FilterNode.cloneNode(FilterNode.java:367)
   at org.openide.nodes.FilterNode$Children.copyNode(FilterNode.java:1523)
   at org.openide.nodes.FilterNode$Children.createNodes(FilterNode.java:1546)
   at org.openide.nodes.FilterNode$Children.createNodes(FilterNode.java:1318)
   at org.openide.nodes.Children$Keys$KE.nodes(Children.java:1662)
   at org.openide.nodes.ChildrenArray.nodesFor(ChildrenArray.java:149)
   at org.openide.nodes.EntrySupportDefault$Info.nodes(EntrySupportDefault.java:805)
   at org.openide.nodes.EntrySupportDefault.updateAdd(EntrySupportDefault.java:441)
   at org.openide.nodes.EntrySupportDefault.setEntries(EntrySupportDefault.java:295)
   at org.openide.nodes.EntrySupport.setEntries(EntrySupport.java:83)
   at org.openide.nodes.Children$Keys$2.run(Children.java:1556)
   at org.openide.util.Mutex.leaveImpl(Mutex.java:921)
   at org.openide.util.Mutex.leave(Mutex.java:854)
   at org.openide.util.Mutex$Privileged.exitReadAccess(Mutex.java:1729)
   at org.openide.nodes.Node.fireSubNodesChange(Node.java:1154)
   at org.openide.nodes.EntrySupportDefault.notifyAdd(EntrySupportDefault.java:602)
   at org.openide.nodes.EntrySupportDefault.updateAdd(EntrySupportDefault.java:452)
   at org.openide.nodes.EntrySupportDefault.setEntries(EntrySupportDefault.java:295)
   at org.openide.nodes.EntrySupport.setEntries(EntrySupport.java:83)
   at org.openide.nodes.Children$Keys$2.run(Children.java:1556)
   at org.openide.util.Mutex$1Exec.run(Mutex.java:1259)
   at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1921)
   at org.openide.util.Mutex.postRequest(Mutex.java:1265)
   at org.openide.util.Mutex.postRequest(Mutex.java:1228)
   at org.openide.util.Mutex.postWriteRequest(Mutex.java:592)
   at org.openide.nodes.Children$Keys.applyKeys(Children.java:1565)
   at org.openide.nodes.Children$Keys.setKeys(Children.java:1509)
   at org.openide.nodes.AsynchChildren$1.add(AsynchChildren.java:190)