java.lang.NullPointerException
	at org.netbeans.modules.editor.completion.CompletionImpl.requestShowCompletionPane(CompletionImpl.java:475)
	at org.netbeans.modules.editor.completion.CompletionImpl.finishNotify(CompletionImpl.java:695)
	at org.netbeans.modules.editor.completion.CompletionResultSetImpl.finish(CompletionResultSetImpl.java:199)
	at org.netbeans.spi.editor.completion.CompletionResultSet.finish(CompletionResultSet.java:184)
	at org.netbeans.modules.editor.java.JavaCompletionProvider$Query.query(JavaCompletionProvider.java:107)
	at org.netbeans.spi.editor.completion.support.AsyncCompletionTask.run(AsyncCompletionTask.java:181)
	at org.openide.util.Task.run(Task.java:207)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:419)
[catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:794)