Saw this in the messages.log for NB 17rc3
INFO [org.netbeans.ui.indexing]: Indexing finished, indexing took 0 ms. SEVERE [org.openide.util.Exceptions] java.util.ConcurrentModificationException: Caller uses obsolete token sequence which is no longer valid. Underlying token hierarchy has been modified by insertion or removal or a custom language embedding was created.TS.modCount=1460, tokenList.modCount()=1462, rootModCount=1462 Please report a bug against a module that calls lexer's code e.g. java, php etc. but not the lexer module itself. at org.netbeans.api.lexer.TokenSequence.checkValid(TokenSequence.java:784) at org.netbeans.api.lexer.TokenSequence.moveIndex(TokenSequence.java:568) at org.netbeans.modules.java.editor.base.semantic.TokenList.resetToIndex(TokenList.java:372) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.visitMethodInvocation(SemanticHighlighterBase.java:781) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.visitMethodInvocation(SemanticHighlighterBase.java:316) at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1815) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.scan(SemanticHighlighterBase.java:1121) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.scan(SemanticHighlighterBase.java:316) at com.sun.source.util.TreeScanner.visitExpressionStatement(TreeScanner.java:502) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.visitExpressionStatement(SemanticHighlighterBase.java:861) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.visitExpressionStatement(SemanticHighlighterBase.java:316) at com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1594) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.scan(SemanticHighlighterBase.java:1121) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.scan(SemanticHighlighterBase.java:316) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78) at com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:272) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1094) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.scan(SemanticHighlighterBase.java:1121) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.visitMethod(SemanticHighlighterBase.java:934) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.visitMethod(SemanticHighlighterBase.java:316) at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:944) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.scan(SemanticHighlighterBase.java:1121) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.scan(SemanticHighlighterBase.java:316) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.visitClass(SemanticHighlighterBase.java:1049) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.visitClass(SemanticHighlighterBase.java:316) at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:851) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.scan(SemanticHighlighterBase.java:1121) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.scan(SemanticHighlighterBase.java:316) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.visitCompilationUnit(SemanticHighlighterBase.java:597) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.visitCompilationUnit(SemanticHighlighterBase.java:316) at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:619) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase$DetectorVisitor.scan(SemanticHighlighterBase.java:1121) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase.process(SemanticHighlighterBase.java:200) at org.netbeans.modules.java.editor.semantic.SemanticHighlighter.process(SemanticHighlighter.java:56) at org.netbeans.modules.java.editor.base.semantic.SemanticHighlighterBase.run(SemanticHighlighterBase.java:154) at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:561) [catch] at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.run(TaskProcessor.java:786) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:288) at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.execute(TaskProcessor.java:702) at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:663) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418) at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:45) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:287) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033) INFO [org.netbeans.api.java.source.ElementHandle]: Resolved type is null for kind = CLASS INFO [org.netbeans.api.java.source.ElementHandle]: Cannot resolve: ElementHandle[kind=CLASS; sigs=com.sun.tools.javac.util.Names ] INFO [org.netbeans.api.java.source.ElementHandle]: Resolved type is null for kind = CLASS INFO [org.netbeans.api.java.source.ElementHandle]: Cannot resolve: ElementHandle[kind=CLASS; sigs=com.sun.tools.javac.util.Names ] INFO [org.netbeans.modules.java.hints.providers.code.CodeHintProviderImpl$WorkerImpl]: org.netbeans.modules.java.hints.jdk.ConvertToSwitchPatternInstanceOf.switchPatternMatchToSwitchNull java.lang.IndexOutOfBoundsException: -1 at com.sun.tools.javac.util.List.get(List.java:482) at org.netbeans.modules.java.hints.jdk.ConvertToSwitchPatternInstanceOf.switchPatternMatchToSwitchNull(ConvertToSwitchPatternInstanceOf.java:293) Caused: java.lang.reflect.InvocationTargetException at jdk.internal.reflect.GeneratedMethodAccessor393.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:568) [catch] at org.netbeans.modules.java.hints.providers.code.CodeHintProviderImpl$WorkerImpl.createErrors(CodeHintProviderImpl.java:315) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.runHint(HintsInvoker.java:794) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.access$400(HintsInvoker.java:89) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.runAndAdd(HintsInvoker.java:656) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:675) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78) at com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:272) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1094) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96) at com.sun.source.util.TreeScanner.visitMethod(TreeScanner.java:224) at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:944) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:119) at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:203) at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:851) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96) at com.sun.source.util.TreeScanner.visitNewClass(TreeScanner.java:609) at com.sun.tools.javac.tree.JCTree$JCNewClass.accept(JCTree.java:1876) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:119) at com.sun.source.util.TreeScanner.visitMethodInvocation(TreeScanner.java:590) at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1815) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.visitExpressionStatement(TreeScanner.java:502) at com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1594) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78) at com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:272) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1094) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96) at com.sun.source.util.TreeScanner.visitMethod(TreeScanner.java:224) at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:944) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:119) at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:203) at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:851) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:119) at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:152) at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:619) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:66) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:700) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHintsImpl(HintsInvoker.java:244) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:227) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:192) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:165) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:127) at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:113) at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:63) at org.netbeans.modules.java.source.JavaSourceAccessor$CancelableTaskWrapper.run(JavaSourceAccessor.java:273) at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:561) at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.run(TaskProcessor.java:786) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:288) at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.execute(TaskProcessor.java:702) at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:663) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418) at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:45) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:287) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033) SEVERE [org.openide.util.Exceptions] java.lang.IndexOutOfBoundsException: -1 at com.sun.tools.javac.util.List.get(List.java:482) at org.netbeans.modules.java.hints.jdk.ConvertToSwitchPatternInstanceOf.switchPatternMatchToSwitchNull(ConvertToSwitchPatternInstanceOf.java:293) at jdk.internal.reflect.GeneratedMethodAccessor393.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:568) [catch] at org.netbeans.modules.java.hints.providers.code.CodeHintProviderImpl$WorkerImpl.createErrors(CodeHintProviderImpl.java:315) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.runHint(HintsInvoker.java:794) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.access$400(HintsInvoker.java:89) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.runAndAdd(HintsInvoker.java:656) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:675) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78) at com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:272) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1094) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96) at com.sun.source.util.TreeScanner.visitMethod(TreeScanner.java:224) at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:944) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:119) at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:203) at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:851) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96) at com.sun.source.util.TreeScanner.visitNewClass(TreeScanner.java:609) at com.sun.tools.javac.tree.JCTree$JCNewClass.accept(JCTree.java:1876) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:119) at com.sun.source.util.TreeScanner.visitMethodInvocation(TreeScanner.java:590) at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1815) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.visitExpressionStatement(TreeScanner.java:502) at com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1594) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78) at com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:272) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1094) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96) at com.sun.source.util.TreeScanner.visitMethod(TreeScanner.java:224) at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:944) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:119) at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:203) at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:851) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:92) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:69) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:681) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:609) at com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:78) at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:119) at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:152) at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:619) at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:66) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:700) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHintsImpl(HintsInvoker.java:244) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:227) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:192) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:165) at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:127) at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:113) at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:63) at org.netbeans.modules.java.source.JavaSourceAccessor$CancelableTaskWrapper.run(JavaSourceAccessor.java:273) at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:561) at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.run(TaskProcessor.java:786) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:288) at org.netbeans.modules.parsing.impl.TaskProcessor$RequestPerformer.execute(TaskProcessor.java:702) at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:663) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418) at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:45) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:287) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033) INFO [org.netbeans.api.java.source.ElementHandle]: Resolved type is null for kind = CLASS INFO [org.netbeans.api.java.source.ElementHandle]: Cannot resolve: ElementHandle[kind=CLASS; sigs=com.sun.tools.javac.util.Names ]
