[NETBEANS-2818] NPE with "Pull Up" refactoring

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 11.1, 11.2
• Component/s: java - Refactoring
• Assignee: Unassigned
• Reporter: Aldo Brucale
• Created: 09/Jul/19 08:33
• Updated: 26/Nov/19 11:59

Description

An exception is thrown when I try to move a method to the superclass. I'm using Netbeans 11.1 beta 3.

java.lang.NullPointerException
	at org.netbeans.modules.refactoring.java.plugins.PullUpTransformer.addMemberToTarget(PullUpTransformer.java:208)
	at org.netbeans.modules.refactoring.java.plugins.PullUpTransformer.addMembersToTarget(PullUpTransformer.java:114)
	at org.netbeans.modules.refactoring.java.plugins.PullUpTransformer.visitClass(PullUpTransformer.java:82)
	at org.netbeans.modules.refactoring.java.plugins.PullUpTransformer.visitClass(PullUpTransformer.java:57)
	at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:808)
	at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82)
	at org.netbeans.modules.refactoring.java.spi.RefactoringVisitor.scan(RefactoringVisitor.java:192)
	at org.netbeans.modules.refactoring.java.spi.RefactoringVisitor.scan(RefactoringVisitor.java:76)
	at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:105)
	at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:113)
	at jdk.compiler/com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:144)
	at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:591)
	at jdk.compiler/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.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$2.call(TaskProcessor.java:178)
	at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)
	at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)
	at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)
	at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)
	at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178)
	at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:83)
	at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:452)
	at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:423)
	at org.netbeans.api.java.source.JavaSource.runModificationTask(JavaSource.java:684)
	at org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin.processFiles(JavaRefactoringPlugin.java:317)
	at org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin.processFiles(JavaRefactoringPlugin.java:263)
	at org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin.processFiles(JavaRefactoringPlugin.java:245)
	at org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin.createAndAddElements(JavaRefactoringPlugin.java:326)
	at org.netbeans.modules.refactoring.java.plugins.PullUpRefactoringPlugin.prepare(PullUpRefactoringPlugin.java:261)
[catch] at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPrepare2(AbstractRefactoring.java:417)
	at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPrepare(AbstractRefactoring.java:401)
	at org.netbeans.modules.refactoring.api.AbstractRefactoring.prepare(AbstractRefactoring.java:212)
	at org.netbeans.modules.refactoring.spi.impl.ParametersPanel$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)