http://www.eclipse.org/emf/2002/Ecore ...OK http://www.eclipse.org/2008/Xtext ...OK http://simple/formattertestlanguage ...OK http://www.w3.org/XML/1998/namespace ...OK 0 [main] WARN org.eclipse.xtext.xtext.ui.refactoring.XtextGrammarRefactoringIntegrationTest - Activate this Test! Xlib: extension "RANDR" missing on display ":10.0". Exception in thread "AutoAssist Delay" java.lang.NullPointerException at org.eclipse.jface.text.contentassist.ContentAssistant$AutoAssistListener.showAssist(ContentAssistant.java:356) at org.eclipse.jface.text.contentassist.ContentAssistant$AutoAssistListener.run(ContentAssistant.java:277) at java.lang.Thread.run(Thread.java:595)