java.lang.IllegalArgumentException
   at com.sun.tools.javac.api.JavacTaskImpl.doParse(JavacTaskImpl.java:680)
   at com.sun.tools.javac.api.JavacTaskImpl.parseExpression(JavacTaskImpl.java:715)
   at com.sun.tools.javac.api.JavacTaskImpl.parseExpression(JavacTaskImpl.java:735)
   at org.netbeans.api.java.source.TreeUtilities.parseExpression(TreeUtilities.java:546)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser$1.run(DeclarativeHintsParser.java:427)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser$1.run(DeclarativeHintsParser.java:423)
   at org.netbeans.modules.java.source.parsing.MimeTask.run(MimeTask.java:83)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:593)
   at org.netbeans.modules.parsing.api.ParserManager$MimeTaskAction.run(ParserManager.java:382)
   at org.netbeans.modules.parsing.api.ParserManager$MimeTaskAction.run(ParserManager.java:365)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:206)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:203)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:74)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:203)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:336)
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:422)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:414)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser.resolve(DeclarativeHintsParser.java:423)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser.access$000(DeclarativeHintsParser.java:97)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser$Impl.parseCondition(DeclarativeHintsParser.java:322)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser$Impl.parseConditions(DeclarativeHintsParser.java:269)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser$Impl.parseRule(DeclarativeHintsParser.java:226)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser$Impl.parseInput(DeclarativeHintsParser.java:195)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser$Impl.access$200(DeclarativeHintsParser.java:104)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser.parse(DeclarativeHintsParser.java:406)
   at org.netbeans.modules.java.hints.declarative.EmbeddingProviderImpl.getEmbeddings(EmbeddingProviderImpl.java:69)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callEmbeddingProvider(TaskProcessor.java:583)
   at org.netbeans.modules.parsing.impl.SourceCache.refresh(SourceCache.java:360)
   at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:724)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
   at java.util.concurrent.FutureTask.run(FutureTask.java:266)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)