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:581)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser$1.run(DeclarativeHintsParser.java:430)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser$1.run(DeclarativeHintsParser.java:426)
   at org.netbeans.modules.java.source.parsing.MimeTask.run(MimeTask.java:83)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:609)
   at org.netbeans.modules.parsing.api.ParserManager$MimeTaskAction.run(ParserManager.java:380)
   at org.netbeans.modules.parsing.api.ParserManager$MimeTaskAction.run(ParserManager.java:363)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:204)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:201)
   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.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:141)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:88)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:201)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:334)
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:408)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:400)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser.resolve(DeclarativeHintsParser.java:426)
   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:325)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser$Impl.parseConditions(DeclarativeHintsParser.java:272)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser$Impl.parseRule(DeclarativeHintsParser.java:229)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser$Impl.parseInput(DeclarativeHintsParser.java:198)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser$Impl.access$200(DeclarativeHintsParser.java:104)
   at org.netbeans.modules.java.hints.declarative.DeclarativeHintsParser.parse(DeclarativeHintsParser.java:409)
   at org.netbeans.modules.java.hints.declarative.EmbeddingProviderImpl.getEmbeddings(EmbeddingProviderImpl.java:69)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callEmbeddingProvider(TaskProcessor.java:599)
   at org.netbeans.modules.parsing.impl.SourceCache.refresh(SourceCache.java:366)
   at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.run(TaskProcessor.java:793)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:304)
   at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.execute(TaskProcessor.java:725)
   at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:686)
   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:1425)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2038)