java.lang.IllegalArgumentException
        at com.sun.tools.javac.util.JCDiagnostic.<init>(JCDiagnostic.java:292)
        at com.sun.tools.javac.util.JCDiagnostic$Factory.error(JCDiagnostic.java:90)
        at com.sun.tools.javac.util.Log.error(Log.java:444)
        at com.sun.tools.javac.parser.Parser.checkExprStat(Parser.java:2967)
        at com.sun.tools.javac.parser.Parser.blockStatements(Parser.java:1746)
        at com.sun.tools.javac.parser.Parser.block(Parser.java:1637)
        at com.sun.tools.javac.parser.Parser.block(Parser.java:1651)
        at com.sun.tools.javac.parser.Parser.statement(Parser.java:1787)
        at com.sun.tools.javac.api.JavacTaskImpl.parseStatement(JavacTaskImpl.java:661)
        at org.netbeans.api.java.source.TreeUtilities.parseStatement(TreeUtilities.java:355)
        at org.netbeans.modules.debugger.jpda.projects.EditorContextImpl$ParseExpressionTask.run(EditorContextImpl.java:1553)
        at org.netbeans.modules.debugger.jpda.projects.EditorContextImpl$ParseExpressionTask.run(EditorContextImpl.java:1527)
        at org.netbeans.api.java.source.JavaSource$MimeTask.run(JavaSource.java:513)
        at org.netbeans.modules.parsing.api.ParserManager$MimeTaskAction.run(ParserManager.java:172)
        at org.netbeans.modules.parsing.api.ParserManager$MimeTaskAction.run(ParserManager.java:156)
        at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:191)
        at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:144)
        at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:380)
        at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:372)
        at org.netbeans.modules.debugger.jpda.projects.EditorContextImpl.parseExpression(EditorContextImpl.java:1498)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:0)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.netbeans.modules.debugger.jpda.EditorContextBridge.parseExpression(EditorContextBridge.java:126)
        at org.netbeans.modules.debugger.jpda.expr.TreeEvaluator.evaluate(TreeEvaluator.java:123)
        at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.evaluateIn(JPDADebuggerImpl.java:764)
        at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.evaluateIn(JPDADebuggerImpl.java:661)
        at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.evaluateIn(JPDADebuggerImpl.java:635)
        at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.evaluate(JPDADebuggerImpl.java:293)
        at org.netbeans.modules.debugger.jpda.projects.ToolTipAnnotation.run(ToolTipAnnotation.java:169)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:573)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1005)