Good day Netbeans users,

With Netbeans 11.2 (but also with 11.0) running in OpenJDK 11.0.6 on Ubuntu 18 LTS, for some time I experience a lot of problems when I try to refactor-rename public variables and functions in my mid-sized project. Mostly but not always, I then get the following error:

---
Module Java Refactoring threw java.util.ConcurrentModificationException.
Please report a bug against Java Refactoring module and attach your var/log/messages.log.
---

My Ant based project has been created with Netbeans 9 or 10 (where refactor-rename worked), and has about 60 Java source files, including many Swing classes made with Netbeans designer (i.e. where for a source.java file there's a matching source.form file).

I deleted the Netbeans cache folder, tried a new Netbeans user profile, created a new (Ant based) Netbeans project and copied all my source files to the new project's src folder. But with no success.

There's a small Netbeans library project of mine attached to my main project: when I rename public functions or variables in this library project, the same errors happen, but when I close my main project, the renaming in the library projects works. Like Netbeans wouldn't like my main project and only there doesn't allow to refactor-rename.

Do you fellow Netbeans users know of problems with the refactoring module?
Did I mis-configure anything in my Netbeans main project which causes this error, or did I encounter a real bug? In case of the latter I'd try to file a bug report. But to sort-out potential configuration problems on my side, I first wanted to post the problem here in the mailing list first and ask the Netbeans experts for advice.

From the messages.log I attach the last part below, i.e. Java's error stack trace. Maybe a Java user knowing more than I do, can sport something which I missed. In case further information would be needed, I'd gladly print it.

Thanks for any help.

Greetings,
Hans


-------------------------------------------------------------------------------

SEVERE [org.openide.util.Exceptions]
java.util.ConcurrentModificationException
    at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.getParameterName(ParameterNameProviderImpl.java:130)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$1.invoke(ParameterNameProviderImpl.java:90)
    at com.sun.proxy.$Proxy24.getParameterName(Unknown Source)
    at com.sun.tools.javac.code.MissingInfoHandler.getParameterName(MissingInfoHandler.java:63)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1746)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1731)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.lambda$visitMethod$0(ParameterNameProviderImpl.java:142)     at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
    at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
    at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)     at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)     at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)     at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)     at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)     at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:142)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:138)
    at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:914)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:188)
    at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:822)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:145)
    at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:603)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$null$0(ParameterNameProviderImpl.java:146)     at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:502)     at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:130)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:114)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178)     at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)     at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)     at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)     at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)     at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178)     at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:81)     at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:452)     at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:423)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$getParameterName$1(ParameterNameProviderImpl.java:136)
    at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.getParameterName(ParameterNameProviderImpl.java:130)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$1.invoke(ParameterNameProviderImpl.java:90)
    at com.sun.proxy.$Proxy24.getParameterName(Unknown Source)
    at com.sun.tools.javac.code.MissingInfoHandler.getParameterName(MissingInfoHandler.java:63)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1746)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1731)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.lambda$visitMethod$0(ParameterNameProviderImpl.java:142)     at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
    at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
    at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)     at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)     at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)     at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)     at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)     at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:142)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:138)
    at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:914)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:188)
    at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:822)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:145)
    at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:603)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$null$0(ParameterNameProviderImpl.java:146)     at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:502)     at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:130)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:114)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178)     at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)     at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)     at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)     at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)     at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178)     at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:81)     at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:452)     at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:423)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$getParameterName$1(ParameterNameProviderImpl.java:136)
    at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.getParameterName(ParameterNameProviderImpl.java:130)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$1.invoke(ParameterNameProviderImpl.java:90)
    at com.sun.proxy.$Proxy24.getParameterName(Unknown Source)
    at com.sun.tools.javac.code.MissingInfoHandler.getParameterName(MissingInfoHandler.java:63)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1746)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1731)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.lambda$visitMethod$0(ParameterNameProviderImpl.java:142)     at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
    at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
    at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)     at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)     at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)     at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)     at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)     at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:142)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:138)
    at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:914)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:188)
    at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:822)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:145)
    at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:603)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$null$0(ParameterNameProviderImpl.java:146)     at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:502)     at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:130)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:114)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178)     at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)     at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)     at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)     at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)     at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178)     at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:81)     at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:452)     at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:423)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$getParameterName$1(ParameterNameProviderImpl.java:136)
    at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.getParameterName(ParameterNameProviderImpl.java:130)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$1.invoke(ParameterNameProviderImpl.java:90)
    at com.sun.proxy.$Proxy24.getParameterName(Unknown Source)
    at com.sun.tools.javac.code.MissingInfoHandler.getParameterName(MissingInfoHandler.java:63)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1746)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1731)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.lambda$visitMethod$0(ParameterNameProviderImpl.java:142)     at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
    at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
    at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)     at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)     at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)     at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)     at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)     at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:142)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:138)
    at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:914)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:188)
    at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:822)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:145)
    at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:603)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$null$0(ParameterNameProviderImpl.java:146)     at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:502)     at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:130)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:114)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178)     at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)     at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)     at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)     at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)     at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178)     at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:81)     at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:452)     at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:423)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$getParameterName$1(ParameterNameProviderImpl.java:136)
    at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.getParameterName(ParameterNameProviderImpl.java:130)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$1.invoke(ParameterNameProviderImpl.java:90)
    at com.sun.proxy.$Proxy24.getParameterName(Unknown Source)
    at com.sun.tools.javac.code.MissingInfoHandler.getParameterName(MissingInfoHandler.java:63)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1746)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1731)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.lambda$visitMethod$0(ParameterNameProviderImpl.java:142)     at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
    at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
    at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)     at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)     at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)     at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)     at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)     at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:142)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:138)
    at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:914)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:188)
    at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:822)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:145)
    at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:603)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$null$0(ParameterNameProviderImpl.java:146)     at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:502)     at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:130)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:114)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178)     at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)     at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)     at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)     at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)     at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178)     at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:81)     at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:452)     at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:423)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$getParameterName$1(ParameterNameProviderImpl.java:136)
    at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.getParameterName(ParameterNameProviderImpl.java:130)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$1.invoke(ParameterNameProviderImpl.java:90)
    at com.sun.proxy.$Proxy24.getParameterName(Unknown Source)
    at com.sun.tools.javac.code.MissingInfoHandler.getParameterName(MissingInfoHandler.java:63)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1746)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1731)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.lambda$visitMethod$0(ParameterNameProviderImpl.java:142)     at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
    at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
    at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)     at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)     at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)     at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)     at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)     at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:142)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:138)
    at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:914)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:188)
    at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:822)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:145)
    at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:603)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$null$0(ParameterNameProviderImpl.java:146)     at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:502)     at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:130)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:114)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178)     at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)     at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)     at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)     at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)     at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178)     at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:81)     at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:452)     at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:423)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$getParameterName$1(ParameterNameProviderImpl.java:136)
    at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.getParameterName(ParameterNameProviderImpl.java:130)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$1.invoke(ParameterNameProviderImpl.java:90)
    at com.sun.proxy.$Proxy24.getParameterName(Unknown Source)
    at com.sun.tools.javac.code.MissingInfoHandler.getParameterName(MissingInfoHandler.java:63)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1746)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1731)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.lambda$visitMethod$0(ParameterNameProviderImpl.java:142)     at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
    at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
    at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)     at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)     at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)     at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)     at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)     at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:142)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:138)
    at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:914)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:188)
    at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:822)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:145)
    at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:603)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$null$0(ParameterNameProviderImpl.java:146)     at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:502)     at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:130)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:114)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178)     at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)     at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)     at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)     at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)     at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178)     at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:81)     at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:452)     at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:423)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$getParameterName$1(ParameterNameProviderImpl.java:136)
    at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.getParameterName(ParameterNameProviderImpl.java:130)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$1.invoke(ParameterNameProviderImpl.java:90)
    at com.sun.proxy.$Proxy24.getParameterName(Unknown Source)
    at com.sun.tools.javac.code.MissingInfoHandler.getParameterName(MissingInfoHandler.java:63)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1746)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1731)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.lambda$visitMethod$0(ParameterNameProviderImpl.java:142)     at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
    at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
    at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)     at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)     at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)     at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)     at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)     at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:142)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:138)
    at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:914)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:188)
    at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:822)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:145)
    at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:603)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$null$0(ParameterNameProviderImpl.java:146)     at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:502)     at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:130)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:114)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178)     at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)     at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)     at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)     at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)     at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178)     at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:81)     at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:452)     at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:423)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$getParameterName$1(ParameterNameProviderImpl.java:136)
    at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.getParameterName(ParameterNameProviderImpl.java:130)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$1.invoke(ParameterNameProviderImpl.java:90)
    at com.sun.proxy.$Proxy24.getParameterName(Unknown Source)
    at com.sun.tools.javac.code.MissingInfoHandler.getParameterName(MissingInfoHandler.java:63)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1746)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1731)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.lambda$visitMethod$0(ParameterNameProviderImpl.java:142)     at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
    at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
    at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)     at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)     at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)     at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)     at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)     at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:142)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:138)
    at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:914)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:188)
    at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:822)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:145)
    at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:603)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$null$0(ParameterNameProviderImpl.java:146)     at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:502)     at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:130)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:114)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178)     at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)     at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)     at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)     at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)     at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178)     at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:81)     at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:452)     at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:423)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$getParameterName$1(ParameterNameProviderImpl.java:136)
    at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.getParameterName(ParameterNameProviderImpl.java:130)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$1.invoke(ParameterNameProviderImpl.java:90)
    at com.sun.proxy.$Proxy24.getParameterName(Unknown Source)
    at com.sun.tools.javac.code.MissingInfoHandler.getParameterName(MissingInfoHandler.java:63)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1746)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1731)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.lambda$visitMethod$0(ParameterNameProviderImpl.java:142)     at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
    at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
    at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)     at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)     at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)     at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)     at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)     at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:142)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:138)
    at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:914)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:188)
    at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:822)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:145)
    at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:603)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$null$0(ParameterNameProviderImpl.java:146)     at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:502)     at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:130)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:114)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178)     at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)     at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)     at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)     at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)     at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178)     at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:81)     at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:452)     at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:423)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$getParameterName$1(ParameterNameProviderImpl.java:136)
    at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.getParameterName(ParameterNameProviderImpl.java:130)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$1.invoke(ParameterNameProviderImpl.java:90)
    at com.sun.proxy.$Proxy24.getParameterName(Unknown Source)
    at com.sun.tools.javac.code.MissingInfoHandler.getParameterName(MissingInfoHandler.java:63)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1746)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1731)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.lambda$visitMethod$0(ParameterNameProviderImpl.java:142)     at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
    at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
    at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)     at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)     at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)     at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)     at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)     at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:142)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$2.visitMethod(ParameterNameProviderImpl.java:138)
    at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:914)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:188)
    at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:822)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:145)
    at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:603)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$null$0(ParameterNameProviderImpl.java:146)     at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:502)     at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:130)     at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:114)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178)     at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)     at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)     at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)     at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)     at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178)     at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:81)     at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:452)     at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:423)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.lambda$getParameterName$1(ParameterNameProviderImpl.java:136)
    at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133)
    at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl.getParameterName(ParameterNameProviderImpl.java:130)     at org.netbeans.modules.java.source.parsing.ParameterNameProviderImpl$1.invoke(ParameterNameProviderImpl.java:90)
    at com.sun.proxy.$Proxy24.getParameterName(Unknown Source)
    at com.sun.tools.javac.code.MissingInfoHandler.getParameterName(MissingInfoHandler.java:63)     at com.sun.tools.javac.code.Symbol$ParamSymbol.getSimpleName(Symbol.java:1746)     at com.sun.tools.javac.api.JavacTrees.attributeParamIdentifier(JavacTrees.java:595)
    at com.sun.tools.javac.api.JavacTrees.getElement(JavacTrees.java:456)
    at org.netbeans.modules.refactoring.java.plugins.RenameTransformer.visitIdentifier(RenameTransformer.java:517)     at org.netbeans.modules.refactoring.java.spi.RefactoringVisitor$DocTreePathScannerImpl.visitIdentifier(RefactoringVisitor.java:534)     at org.netbeans.modules.refactoring.java.spi.RefactoringVisitor$DocTreePathScannerImpl.visitIdentifier(RefactoringVisitor.java:474)
    at com.sun.tools.javac.tree.DCTree$DCIdentifier.accept(DCTree.java:471)
    at com.sun.source.util.DocTreePathScanner.scan(DocTreePathScanner.java:71)
    at com.sun.source.util.DocTreeScanner.visitParam(DocTreeScanner.java:334)
    at org.netbeans.modules.refactoring.java.spi.RefactoringVisitor$DocTreePathScannerImpl.visitParam(RefactoringVisitor.java:708)     at org.netbeans.modules.refactoring.java.spi.RefactoringVisitor.visitParam(RefactoringVisitor.java:327)     at org.netbeans.modules.refactoring.java.spi.RefactoringVisitor$DocTreePathScannerImpl.visitParam(RefactoringVisitor.java:559)     at org.netbeans.modules.refactoring.java.spi.RefactoringVisitor$DocTreePathScannerImpl.visitParam(RefactoringVisitor.java:474)
    at com.sun.tools.javac.tree.DCTree$DCParam.accept(DCTree.java:599)
    at com.sun.source.util.DocTreePathScanner.scan(DocTreePathScanner.java:71)
    at com.sun.source.util.DocTreeScanner.scan(DocTreeScanner.java:98)
    at com.sun.source.util.DocTreeScanner.scanAndReduce(DocTreeScanner.java:106)
    at com.sun.source.util.DocTreeScanner.visitDocComment(DocTreeScanner.java:185)     at org.netbeans.modules.refactoring.java.spi.RefactoringVisitor$DocTreePathScannerImpl.visitDocComment(RefactoringVisitor.java:664)     at org.netbeans.modules.refactoring.java.spi.RefactoringVisitor.visitDocComment(RefactoringVisitor.java:245)     at org.netbeans.modules.refactoring.java.spi.RefactoringVisitor$DocTreePathScannerImpl.visitDocComment(RefactoringVisitor.java:504)     at org.netbeans.modules.refactoring.java.spi.RefactoringVisitor$DocTreePathScannerImpl.visitDocComment(RefactoringVisitor.java:474)
    at com.sun.tools.javac.tree.DCTree$DCDocComment.accept(DCTree.java:141)
    at com.sun.source.util.DocTreePathScanner.scan(DocTreePathScanner.java:50)
    at org.netbeans.modules.refactoring.java.spi.RefactoringVisitor.scanJavadoc(RefactoringVisitor.java:470)     at org.netbeans.modules.refactoring.java.spi.RefactoringVisitor.scan(RefactoringVisitor.java:187)     at org.netbeans.modules.refactoring.java.plugins.RenameTransformer.scan(RenameTransformer.java:87)     at org.netbeans.modules.refactoring.java.plugins.RenameTransformer.scan(RenameTransformer.java:59)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:188)
    at org.netbeans.modules.refactoring.java.plugins.RenameTransformer.visitClass(RenameTransformer.java:409)     at org.netbeans.modules.refactoring.java.plugins.RenameTransformer.visitClass(RenameTransformer.java:59)
    at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:822)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at org.netbeans.modules.refactoring.java.spi.RefactoringVisitor.scan(RefactoringVisitor.java:192)     at org.netbeans.modules.refactoring.java.plugins.RenameTransformer.scan(RenameTransformer.java:87)     at org.netbeans.modules.refactoring.java.plugins.RenameTransformer.scan(RenameTransformer.java:59)
    at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)
    at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)
    at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:145)     at org.netbeans.modules.refactoring.java.plugins.RenameTransformer.visitCompilationUnit(RenameTransformer.java:115)     at org.netbeans.modules.refactoring.java.plugins.RenameTransformer.visitCompilationUnit(RenameTransformer.java:59)
    at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:603)
    at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
    at org.netbeans.modules.refactoring.java.spi.RefactoringVisitor.scan(RefactoringVisitor.java:192)     at org.netbeans.modules.refactoring.java.plugins.RenameTransformer.scan(RenameTransformer.java:87)     at org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin$TransformTask.run(JavaRefactoringPlugin.java:443)     at org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin$TransformTask.run(JavaRefactoringPlugin.java:408)
    at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:673)
    at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:663)
    at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:502)     at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586)     at org.netbeans.modules.parsing.api.ParserManager$MultiUserTaskAction.run(ParserManager.java:166)     at org.netbeans.modules.parsing.api.ParserManager$MultiUserTaskAction.run(ParserManager.java:138)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181)     at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178)     at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)     at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)     at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)     at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)     at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178)     at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:83)     at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:452)     at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:423)     at org.netbeans.api.java.source.JavaSource.runModificationTask(JavaSource.java:684)     at org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin.processFiles(JavaRefactoringPlugin.java:317)     at org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin.processFiles(JavaRefactoringPlugin.java:263)     at org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin.processFiles(JavaRefactoringPlugin.java:245)     at org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin.createAndAddElements(JavaRefactoringPlugin.java:326)     at org.netbeans.modules.refactoring.java.plugins.RenameRefactoringPlugin.prepare(RenameRefactoringPlugin.java:626) [catch] at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPrepare2(AbstractRefactoring.java:417)     at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPrepare(AbstractRefactoring.java:401)     at org.netbeans.modules.refactoring.api.AbstractRefactoring.prepare(AbstractRefactoring.java:212)     at org.netbeans.modules.refactoring.spi.impl.ParametersPanel$Prepare.run(ParametersPanel.java:1063)
    at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418)
    at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:45)
    at org.openide.util.lookup.Lookups.executeWith(Lookups.java:278)
    at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)




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