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This bug was originally marked as duplicate of bug 186280, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE Dev (Build 100610-b2380dd52af9) VM: OpenJDK Client VM, 14.0-b16, OpenJDK Runtime Environment, 1.6.0_18-b18 OS: Linux User Comments: jtulach: Ctrl+R on a name of innerclass aldobrucale: Trying to rename a method (in java) Stacktrace: java.lang.NullPointerException at org.netbeans.modules.css.refactoring.CssRefactoringPluginFactory.createInstance(CssRefactoringPluginFactory.java:66) at org.netbeans.modules.refactoring.api.AbstractRefactoring.getPlugins(AbstractRefactoring.java:140) at org.netbeans.modules.refactoring.api.AbstractRefactoring.addProgressListener(AbstractRefactoring.java:281) at org.netbeans.modules.refactoring.spi.impl.ParametersPanel.showDialog(ParametersPanel.java:471) at org.netbeans.modules.refactoring.spi.impl.RefactoringPanel.refresh(RefactoringPanel.java:575) at org.netbeans.modules.refactoring.spi.impl.RefactoringPanel.<init>(RefactoringPanel.java:137)
Created attachment 100106 [details] stacktrace
Jardo, I think it really is a duplicate of the issue 186280, you probably haven't had the fix in your clone. I cannot imaging how could line64: FileObject file = refactoring.getRefactoringSource().lookup(FileObject.class); line65: if(file != null && file.isFolder()) { throw a NPE on line 65 *** This bug has been marked as a duplicate of bug 186280 ***