java.lang.OutOfMemoryError: Java heap space
   at java.lang.String.substring(String.java:1939)
   at java.lang.Class.checkMemberAccess(Class.java:2164)
   at java.lang.Class.getMethod(Class.java:1602)
   at org.openide.util.RequestProcessor$TopLevelThreadGroup.getTopLevelThreadGroup(RequestProcessor.java:1094)
   at org.openide.util.RequestProcessor$Processor.get(RequestProcessor.java:1921)
   at org.openide.util.RequestProcessor.enqueue(RequestProcessor.java:617)
   at org.openide.util.RequestProcessor$TickTac.run(RequestProcessor.java:2232)