java.lang.OutOfMemoryError: GC overhead limit exceeded
   at java.util.HashMap.newNode(HashMap.java:1742)
   at java.util.HashMap.putVal(HashMap.java:641)
   at java.util.HashMap.putMapEntries(HashMap.java:514)
   at java.util.HashMap.<init>(HashMap.java:489)
   at org.openide.nodes.EntrySupportLazy.createSnapshot(EntrySupportLazy.java:884)
   at org.openide.nodes.FilterNode$Children$LazySupport$FilterLazySnapshot.<init>(FilterNode.java:1755)
   at org.openide.nodes.FilterNode$Children$LazySupport.createSnapshot(FilterNode.java:1783)
   at org.openide.nodes.EntrySupportLazy.createSnapshot(EntrySupportLazy.java:884)
   at org.openide.nodes.EntrySupportLazy.setEntries(EntrySupportLazy.java:518)
   at org.openide.nodes.EntrySupport.setEntries(EntrySupport.java:83)
   at org.openide.nodes.FilterNode$Children$LazySupport.updateEntries(FilterNode.java:1863)
   at org.openide.nodes.FilterNode$Children$LazySupport.access$500(FilterNode.java:1742)
   at org.openide.nodes.FilterNode$Children$LazySupport$1.run(FilterNode.java:1838)
   at org.netbeans.modules.openide.util.DefaultMutexImplementation.leaveImpl(DefaultMutexImplementation.java:638)
   at org.netbeans.modules.openide.util.DefaultMutexImplementation.leave(DefaultMutexImplementation.java:571)
   at org.netbeans.modules.openide.util.DefaultMutexImplementation$Privileged.exitReadAccess(DefaultMutexImplementation.java:1279)
   at org.openide.util.Mutex$Privileged.exitReadAccess(Mutex.java:485)
   at org.openide.nodes.Node.fireSubNodesChangeIdx(Node.java:1198)
   at org.openide.nodes.EntrySupportLazy.fireSubNodesChangeIdx(EntrySupportLazy.java:618)
   at org.openide.nodes.EntrySupportLazy.setEntries(EntrySupportLazy.java:518)
   at org.openide.nodes.EntrySupport.setEntries(EntrySupport.java:83)
   at org.openide.nodes.FilterNode$Children$LazySupport.updateEntries(FilterNode.java:1863)
   at org.openide.nodes.FilterNode$Children$LazySupport.access$500(FilterNode.java:1742)
   at org.openide.nodes.FilterNode$Children$LazySupport$1.run(FilterNode.java:1838)
   at org.netbeans.modules.openide.util.DefaultMutexImplementation.leaveImpl(DefaultMutexImplementation.java:638)
   at org.netbeans.modules.openide.util.DefaultMutexImplementation.leave(DefaultMutexImplementation.java:571)
   at org.netbeans.modules.openide.util.DefaultMutexImplementation$Privileged.exitReadAccess(DefaultMutexImplementation.java:1279)
   at org.openide.util.Mutex$Privileged.exitReadAccess(Mutex.java:485)
   at org.openide.nodes.Node.fireSubNodesChangeIdx(Node.java:1198)
   at org.openide.nodes.EntrySupportLazy.fireSubNodesChangeIdx(EntrySupportLazy.java:618)
   at org.openide.nodes.EntrySupportLazy.setEntries(EntrySupportLazy.java:518)
   at org.openide.nodes.EntrySupport.setEntries(EntrySupport.java:83)