java.lang.IllegalArgumentException: getFlyweightToken(): Creating token  for unread characters: text="synchronized"; text.length()=12 > readLength()=1
   at org.netbeans.lib.lexer.LexerInputOperation.getFlyweightToken(LexerInputOperation.java:263)
   at org.netbeans.spi.lexer.TokenFactory.getFlyweightToken(TokenFactory.java:147)
   at org.netbeans.modules.groovy.editor.api.lexer.GroovyLexer.createToken(GroovyLexer.java:119)
   at org.netbeans.modules.groovy.editor.api.lexer.GroovyLexer.nextToken(GroovyLexer.java:155)
   at org.netbeans.lib.lexer.LexerInputOperation.nextToken(LexerInputOperation.java:215)
   at org.netbeans.lib.lexer.inc.IncTokenList.tokenOrEmbeddingImpl(IncTokenList.java:195)
   at org.netbeans.lib.lexer.inc.IncTokenList.tokenOrEmbedding(IncTokenList.java:190)
   at org.netbeans.api.lexer.TokenSequence.moveNext(TokenSequence.java:488)
   at org.netbeans.modules.editor.lib2.highlighting.SyntaxHighlighting$TSInfo.moveNextToken(SyntaxHighlighting.java:771)
   at org.netbeans.modules.editor.lib2.highlighting.SyntaxHighlighting$HSImpl.moveTheSequence(SyntaxHighlighting.java:478)
   at org.netbeans.modules.editor.lib2.highlighting.SyntaxHighlighting$HSImpl.moveNext(SyntaxHighlighting.java:427)
   at org.netbeans.modules.editor.lib2.highlighting.DirectMergeContainer$Wrapper.fetchNextHighlight(DirectMergeContainer.java:453)
   at org.netbeans.modules.editor.lib2.highlighting.DirectMergeContainer$HlSequence.updateMergeVars(DirectMergeContainer.java:305)
   at org.netbeans.modules.editor.lib2.highlighting.DirectMergeContainer$HlSequence.nextMerge(DirectMergeContainer.java:277)
   at org.netbeans.modules.editor.lib2.highlighting.DirectMergeContainer$HlSequence.moveNext(DirectMergeContainer.java:224)
   at org.netbeans.modules.editor.lib2.highlighting.HighlightsReader.readUntil(HighlightsReader.java:77)
   at org.netbeans.modules.editor.lib2.view.HighlightsViewFactory.restart(HighlightsViewFactory.java:191)
   at org.netbeans.modules.editor.lib2.view.ViewBuilder$FactoryState.init(ViewBuilder.java:1324)
   at org.netbeans.modules.editor.lib2.view.ViewBuilder.createViews(ViewBuilder.java:724)
   at org.netbeans.modules.editor.lib2.view.ViewBuilder.createReplaceRepaintViews(ViewBuilder.java:685)
   at org.netbeans.modules.editor.lib2.view.ViewUpdates.reinitAllViews(ViewUpdates.java:214)
   at org.netbeans.modules.editor.lib2.view.DocumentViewOp.checkViewsInited(DocumentViewOp.java:641)
   at org.netbeans.modules.editor.lib2.view.DocumentView.getPreferredSpan(DocumentView.java:251)
   at javax.swing.plaf.basic.BasicTextUI$RootView.getPreferredSpan(BasicTextUI.java:1353)
   at javax.swing.plaf.basic.BasicTextUI.getPreferredSize(BasicTextUI.java:919)
   at javax.swing.JComponent.getPreferredSize(JComponent.java:1662)
   at javax.swing.JEditorPane.getPreferredSize(JEditorPane.java:1332)
   at javax.swing.ScrollPaneLayout.layoutContainer(ScrollPaneLayout.java:791)
   at java.awt.Container.layout(Container.java:1510)
   at java.awt.Container.doLayout(Container.java:1499)
   at java.awt.Container.validateTree(Container.java:1695)
   at java.awt.Container.validate(Container.java:1630)
   at javax.swing.RepaintManager$3.run(RepaintManager.java:711)
   at javax.swing.RepaintManager$3.run(RepaintManager.java:709)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
   at javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.java:708)
   at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1731)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
   at java.awt.EventQueue.access$500(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:709)
   at java.awt.EventQueue$3.run(EventQueue.java:703)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)