[jbosstools-issues] [JBoss JIRA] Created: (JBIDE-6054) NullPointerException when trying to rename method

[Vadim Berezniker (JIRA)]

NullPointerException when trying to rename method
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                 Key: JBIDE-6054
                 URL: https://jira.jboss.org/jira/browse/JBIDE-6054
             Project: Tools (JBoss Tools)
          Issue Type: Bug
    Affects Versions: 3.1.0.GA
            Reporter: Vadim Berezniker


I have a seam-gen ant based project.

When I attempt to rename a method, the refactoring process sits there for a bit in "Checking preconditions" state and then I get an error dialog that says "The participant '<method name>' caused an internal error and has been disabled for refactoring." 

The following exception is seen in the Eclipse log right after the message:

!ENTRY org.eclipse.ltk.core.refactoring 4 10000 2010-03-13 00:18:41.025
!MESSAGE Internal Error
!STACK 0
java.lang.NullPointerException
	at org.jboss.tools.common.el.core.ca.AbstractELCompletionEngine.resolveELOperand(AbstractELCompletionEngine.java:256)
	at org.jboss.tools.common.el.core.ca.AbstractELCompletionEngine.resolve(AbstractELCompletionEngine.java:131)
	at org.jboss.tools.jsf.el.refactoring.RefactorSearcher.searchInCach(RefactorSearcher.java:210)
	at org.jboss.tools.jsf.el.refactoring.RefactorSearcher.scan(RefactorSearcher.java:188)
	at org.jboss.tools.jsf.el.refactoring.RefactorSearcher.scan(RefactorSearcher.java:148)
	at org.jboss.tools.jsf.el.refactoring.RefactorSearcher.scan(RefactorSearcher.java:146)
	at org.jboss.tools.jsf.el.refactoring.RefactorSearcher.scan(RefactorSearcher.java:146)
	at org.jboss.tools.jsf.el.refactoring.RefactorSearcher.scan(RefactorSearcher.java:146)
	at org.jboss.tools.jsf.el.refactoring.RefactorSearcher.scan(RefactorSearcher.java:146)
	at org.jboss.tools.jsf.el.refactoring.RefactorSearcher.scan(RefactorSearcher.java:146)
	at org.jboss.tools.jsf.el.refactoring.RefactorSearcher.findELReferences(RefactorSearcher.java:114)
	at org.jboss.tools.jsf.ui.el.refactoring.RenameMethodParticipant.checkConditions(RenameMethodParticipant.java:70)
	at org.eclipse.ltk.core.refactoring.participants.ProcessorBasedRefactoring.checkFinalConditions(ProcessorBasedRefactoring.java:257)
	at org.eclipse.ltk.core.refactoring.CheckConditionsOperation.run(CheckConditionsOperation.java:85)
	at org.eclipse.ltk.core.refactoring.CreateChangeOperation.run(CreateChangeOperation.java:121)
	at org.eclipse.ltk.core.refactoring.PerformChangeOperation.run(PerformChangeOperation.java:211)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1800)
	at org.eclipse.ltk.internal.ui.refactoring.WorkbenchRunnableAdapter.run(WorkbenchRunnableAdapter.java:87)
	at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)

I recently updated to 3.1


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