java.lang.AssertionError at com.sun.tools.javac.util.Assert.error(Assert.java:155) at com.sun.tools.javac.util.Assert.checkNonNull(Assert.java:62) at com.sun.tools.javac.comp.Annotate.queueScanTreeAndTypeAnnotate(Annotate.java:994) at com.sun.tools.javac.comp.Attr.visitVarDef(Attr.java:1124) at com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:926) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:496) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:637) at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:707) at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:731) at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:1210) at org.netbeans.lib.nbjavac.services.NBAttr.visitBlock(NBAttr.java:82) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:990) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:496) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:637) at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:707) at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:731) at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:1210) at org.netbeans.lib.nbjavac.services.NBAttr.visitBlock(NBAttr.java:82) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:990) at com.sun.tools.javac.comp.ArgumentAttr.visitTree(ArgumentAttr.java:202) at com.sun.tools.javac.tree.JCTree$Visitor.visitBlock(JCTree.java:2753) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:990) at com.sun.tools.javac.comp.ArgumentAttr.attribArg(ArgumentAttr.java:192) at com.sun.tools.javac.comp.Attr$MethodAttrInfo.attr(Attr.java:544) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:637) at com.sun.tools.javac.comp.DeferredAttr.attribSpeculative(DeferredAttr.java:461) at com.sun.tools.javac.comp.DeferredAttr.attribSpeculative(DeferredAttr.java:448) at com.sun.tools.javac.comp.DeferredAttr.attribSpeculativeLambda(DeferredAttr.java:423) at com.sun.tools.javac.comp.ArgumentAttr.lambda$visitLambda$41(ArgumentAttr.java:293) at com.sun.tools.javac.comp.ArgumentAttr.processArg(ArgumentAttr.java:242) at com.sun.tools.javac.comp.ArgumentAttr.visitLambda(ArgumentAttr.java:291) at com.sun.tools.javac.tree.JCTree$JCLambda.accept(JCTree.java:1777) at com.sun.tools.javac.comp.ArgumentAttr.attribArg(ArgumentAttr.java:192) at com.sun.tools.javac.comp.Attr$MethodAttrInfo.attr(Attr.java:544) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:637) at com.sun.tools.javac.comp.Attr.attribArgs(Attr.java:740) at com.sun.tools.javac.comp.Attr.visitApply(Attr.java:1917) at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1604) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:496) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:637) at com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:676) at com.sun.tools.javac.comp.Attr.visitVarDef(Attr.java:1162) at com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:926) at com.sun.tools.javac.comp.Attr$ResultInfo.attr(Attr.java:496) at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:637) at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:707) at com.sun.tools.javac.comp.Attr.attribClassBody(Attr.java:4685) at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4584) at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4512) at com.sun.tools.javac.comp.Attr.attrib(Attr.java:4487) at com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:1295) at com.sun.tools.javac.api.JavacTaskImpl$4.process(JavacTaskImpl.java:475) at com.sun.tools.javac.api.JavacTaskImpl$Filter.run(JavacTaskImpl.java:607) at com.sun.tools.javac.api.JavacTaskImpl.analyze(JavacTaskImpl.java:478) at org.netbeans.modules.java.source.indexing.MultiPassCompileWorker.compile(MultiPassCompileWorker.java:267) at org.netbeans.modules.java.source.indexing.JavaCustomIndexer.index(JavaCustomIndexer.java:261) at org.netbeans.modules.parsing.spi.indexing.Indexable$MyAccessor$2.run(Indexable.java:161) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.runIndexer(RepositoryUpdater.java:298) at org.netbeans.modules.parsing.spi.indexing.Indexable$MyAccessor.index(Indexable.java:159) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doIndex(RepositoryUpdater.java:2773) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.access$800(RepositoryUpdater.java:2177) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$1.run(RepositoryUpdater.java:2659) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$1.run(RepositoryUpdater.java:2657) at org.netbeans.modules.parsing.impl.indexing.errors.TaskCache.refreshTransaction(TaskCache.java:565) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.index(RepositoryUpdater.java:2657) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$3.call(RepositoryUpdater.java:3310) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$3.call(RepositoryUpdater.java:3276) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$4.run(RepositoryUpdater.java:2150) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:304) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.runInContext(RepositoryUpdater.java:2146) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.runInContext(RepositoryUpdater.java:2127) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.access$1500(RepositoryUpdater.java:159) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.scanFiles(RepositoryUpdater.java:3276) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$FileListWork.getDone(RepositoryUpdater.java:3795) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doTheWork(RepositoryUpdater.java:3430) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task._run(RepositoryUpdater.java:6193) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.access$4300(RepositoryUpdater.java:5844) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2$1.run(RepositoryUpdater.java:6109) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:304) at org.netbeans.modules.parsing.impl.RunWhenScanFinishedSupport.performScan(RunWhenScanFinishedSupport.java:106) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2.call(RepositoryUpdater.java:6105) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2.call(RepositoryUpdater.java:6101) at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176) at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360) at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:141) at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:88) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.run(RepositoryUpdater.java:6101) 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:1443) 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:2058)