Error refactoring without any details
When I attempt to refactor a package or java file (in my case, a Participant), I get:
Susan
An exception has been caught while processing the refactoring 'Rename Package'.
Reason:
Exception does not provide a detail message
java.lang.NullPointerException
My RTC 4.0.5 Eclipse client log show:
!ENTRY org.eclipse.ltk.ui.refactoring 4 4 2014-12-09 20:23:59.900
!MESSAGE Exception does not provide a detail message
!STACK 0
java.lang.NullPointerException
at com.ibm.team.filesystem.rcp.core.internal.resources.MoveDeleteHook.moveResource(MoveDeleteHook.java:207)
at com.ibm.team.filesystem.rcp.core.internal.resources.MoveDeleteHook.moveFolder(MoveDeleteHook.java:181)
at org.eclipse.team.internal.core.MoveDeleteManager.moveFolder(MoveDeleteManager.java:100)
at org.eclipse.core.internal.resources.Resource.unprotectedMove(Resource.java:1976)
at org.eclipse.core.internal.resources.Resource.move(Resource.java:1600)
at org.eclipse.core.internal.resources.Resource.move(Resource.java:1561)
at org.eclipse.jdt.internal.core.CopyResourceElementsOperation.processPackageFragmentResource(CopyResourceElementsOperation.java:468)
at org.eclipse.jdt.internal.core.CopyResourceElementsOperation.processElement(CopyResourceElementsOperation.java:403)
at org.eclipse.jdt.internal.core.MultiOperation.processElements(MultiOperation.java:163)
at org.eclipse.jdt.internal.core.CopyResourceElementsOperation.processElements(CopyResourceElementsOperation.java:417)
at org.eclipse.jdt.internal.core.MultiOperation.executeOperation(MultiOperation.java:90)
at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:728)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1975)
at org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:793)
at org.eclipse.jdt.internal.core.JavaModel.rename(JavaModel.java:285)
at org.eclipse.jdt.internal.core.PackageFragment.rename(PackageFragment.java:432)
at org.eclipse.jdt.internal.corext.refactoring.changes.RenamePackageChange.renamePackage(RenamePackageChange.java:212)
at org.eclipse.jdt.internal.corext.refactoring.changes.RenamePackageChange.doRename(RenamePackageChange.java:121)
at org.eclipse.jdt.internal.corext.refactoring.AbstractJavaElementRenameChange.perform(AbstractJavaElementRenameChange.java:89)
at org.eclipse.ltk.core.refactoring.CompositeChange.perform(CompositeChange.java:278)
at org.eclipse.jdt.internal.corext.refactoring.changes.DynamicValidationStateChange.access$0(DynamicValidationStateChange.java:1)
at org.eclipse.jdt.internal.corext.refactoring.changes.DynamicValidationStateChange$1.run(DynamicValidationStateChange.java:102)
at org.eclipse.jdt.internal.core.BatchOperation.executeOperation(BatchOperation.java:39)
at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:728)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1975)
at org.eclipse.jdt.core.JavaCore.run(JavaCore.java:4887)
at org.eclipse.jdt.internal.corext.refactoring.changes.DynamicValidationStateChange.perform(DynamicValidationStateChange.java:105)
at org.eclipse.ltk.core.refactoring.CompositeChange.perform(CompositeChange.java:278)
at org.eclipse.ltk.core.refactoring.PerformChangeOperation$1.run(PerformChangeOperation.java:258)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1975)
at org.eclipse.ltk.core.refactoring.PerformChangeOperation.executeChange(PerformChangeOperation.java:306)
at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation.executeChange(UIPerformChangeOperation.java:92)
at org.eclipse.ltk.core.refactoring.PerformChangeOperation.run(PerformChangeOperation.java:218)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1975)
at org.eclipse.ltk.internal.ui.refactoring.WorkbenchRunnableAdapter.run(WorkbenchRunnableAdapter.java:87)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)
Is this a known bug? Is there a workaround or fix?
Susan
One answer
Susan, I recently had the same thing. Whatever I did, this happened. I don't know why. I solved it by creating a new project and bringing my code over. It was a copy in the first place, so no harm done. I am not sure what the root cause was, but somehow the project was broken.
Comments
So this is how i got into this mess in the first place :-) When I do a new plugin, I like to make a copy of a previous one and then refactor to rename the package and rename the java files. The copy of the project works but refactor/rename of the package and java files fail. So then I create a new package, create new files, copy/paste the contents. Since my participants only have 2 java files, it isn't too painful, but it would be alot better if I could figure out why RTC is getting the NullPointerException and fix that part. It is a brand new project (literally, just copied from an existing "working" project).
I was unable to find the root cause of this and it was a lot more wasted time trying and complaining than just recreating the project 8)