PavelTurkish commented on issue #3725:
URL: https://github.com/apache/netbeans/issues/3725#issuecomment-1793425803

   Product Version: Apache NetBeans IDE 19
   Java: 21.0.1; OpenJDK 64-Bit Server VM 21.0.1+12-29
   Runtime: OpenJDK Runtime Environment 21.0.1+12-29
   System: Linux version 5.11.0-38-generic running on amd64; UTF-8; en_US (nb)
   
   Renaming gives the following error. So, the problem is not in javac?
   
   ```
   Caused: java.lang.NullPointerException: Cannot invoke 
"com.sun.tools.javac.code.Symbol.getDeclarationAttributes()" because "sym" is 
null
        at com.sun.tools.javac.code.Lint.augment(Lint.java:75)
        at 
com.sun.tools.javac.comp.Flow$AliveAnalyzer.visitVarDef(Flow.java:596)
        at 
com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:1018)
        at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
        at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:446)
        at com.sun.tools.javac.comp.Flow$AliveAnalyzer.scanStat(Flow.java:506)
        at com.sun.tools.javac.comp.Flow$AliveAnalyzer.scanStats(Flow.java:514)
        at com.sun.tools.javac.comp.Flow$AliveAnalyzer.visitBlock(Flow.java:606)
        at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1088)
        at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
        at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:446)
        at com.sun.tools.javac.comp.Flow$AliveAnalyzer.scanStat(Flow.java:506)
        at 
com.sun.tools.javac.comp.Flow$AliveAnalyzer.visitMethodDef(Flow.java:570)
        at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:912)
        at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
        at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:446)
        at 
com.sun.tools.javac.comp.Flow$AliveAnalyzer.visitClassDef(Flow.java:550)
        at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:810)
        at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
        at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:446)
        at 
com.sun.tools.javac.comp.Flow$AliveAnalyzer.analyzeTree(Flow.java:1097)
        at 
com.sun.tools.javac.comp.Flow$AliveAnalyzer.analyzeTree(Flow.java:1089)
        at com.sun.tools.javac.comp.Flow.analyzeTree(Flow.java:223)
        at com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1391)
        at com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1355)
        at com.sun.tools.javac.api.JavacTaskImpl.analyze(JavacTaskImpl.java:404)
        at 
com.sun.tools.javac.api.JavacTaskImpl.lambda$analyze$1(JavacTaskImpl.java:379)
        at 
com.sun.tools.javac.api.JavacTaskImpl.invocationHelper(JavacTaskImpl.java:152)
        at com.sun.tools.javac.api.JavacTaskImpl.analyze(JavacTaskImpl.java:379)
   Caused: java.lang.IllegalStateException
        at com.sun.tools.javac.api.JavacTaskImpl.analyze(JavacTaskImpl.java:383)
        at 
org.netbeans.modules.java.source.parsing.JavacParser.moveToPhase(JavacParser.java:770)
        at 
org.netbeans.modules.java.source.parsing.CompilationInfoImpl.toPhase(CompilationInfoImpl.java:426)
        at 
org.netbeans.api.java.source.CompilationController.toPhase(CompilationController.java:90)
        at 
org.netbeans.api.java.source.WorkingCopy.toPhase(WorkingCopy.java:192)
        at 
org.netbeans.modules.refactoring.java.spi.RefactoringVisitor.setWorkingCopy(RefactoringVisitor.java:111)
        at 
org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin$TransformTask.run(JavaRefactoringPlugin.java:437)
        at 
org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin$TransformTask.run(JavaRefactoringPlugin.java:420)
        at 
org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin.lambda$processFiles$1(JavaRefactoringPlugin.java:325)
        at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:675)
        at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:665)
        at 
org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:504)
        at 
org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586)
        at 
org.netbeans.modules.parsing.api.ParserManager$MultiUserTaskAction.run(ParserManager.java:169)
        at 
org.netbeans.modules.parsing.api.ParserManager$MultiUserTaskAction.run(ParserManager.java:140)
        at 
org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181)
        at 
org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178)
        at 
org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)
        at 
org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)
        at 
org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)
        at 
org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)
        at 
org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178)
        at 
org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:85)
        at 
org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:454)
        at 
org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:425)
        at 
org.netbeans.api.java.source.JavaSource.runModificationTask(JavaSource.java:686)
        at 
org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin.processFiles(JavaRefactoringPlugin.java:323)
        at 
org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin.processFiles(JavaRefactoringPlugin.java:264)
        at 
org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin.processFiles(JavaRefactoringPlugin.java:246)
        at 
org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin.createAndAddElements(JavaRefactoringPlugin.java:338)
        at 
org.netbeans.modules.refactoring.java.plugins.RenameRefactoringPlugin.prepare(RenameRefactoringPlugin.java:627)
   [catch] at 
org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPrepare2(AbstractRefactoring.java:417)
        at 
org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPrepare(AbstractRefactoring.java:401)
        at 
org.netbeans.modules.refactoring.api.AbstractRefactoring.prepare(AbstractRefactoring.java:212)
        at 
org.netbeans.modules.refactoring.spi.impl.ParametersPanel$Prepare.run(ParametersPanel.java:1063)
        at 
org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1419)
        at 
org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:45)
        at org.openide.util.lookup.Lookups.executeWith(Lookups.java:287)
        at 
org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2034)
   ```


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