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Opening or closing projects causes errors like the following in Eclipse 4.2M4: org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.Error: org.eclipse.core.internal.resources.ResourceException: Resource '/org.eclipse.ptp.rdt.managedbuilder.xlc.ui' does not exist.) at org.eclipse.swt.SWT.error(SWT.java:4300) at org.eclipse.swt.SWT.error(SWT.java:4215) ... Caused by: java.lang.Error: org.eclipse.core.internal.resources.ResourceException: Resource '/org.eclipse.ptp.rdt.managedbuilder.xlc.ui' does not exist. at org.eclipse.photran.internal.core.vpg.PhotranVPG.shouldProcessProject(PhotranVPG.java:544) at org.eclipse.photran.internal.ui.vpg.PhotranResourceFilter.shouldProcess(PhotranResourceFilter.java:37) at org.eclipse.rephraserengine.ui.WorkbenchSelectionInfo.getResourcesSelectedIn(WorkbenchSelectionInfo.java:176) at org.eclipse.rephraserengine.ui.WorkbenchSelectionInfo.<init>(WorkbenchSelectionInfo.java:132) at org.eclipse.rephraserengine.ui.WorkbenchSelectionInfo.<init>(WorkbenchSelectionInfo.java:89) at org.eclipse.rephraserengine.ui.menus.RefactorMenu.processConfigElt(RefactorMenu.java:127) at org.eclipse.rephraserengine.ui.menus.RefactorMenu.loadRefactoringsFrom(RefactorMenu.java:110) at org.eclipse.rephraserengine.ui.menus.RefactorMenu.loadRefactoringsFromExtensionPoint(RefactorMenu.java:99) at org.eclipse.rephraserengine.ui.menus.RefactorMenu.getContributionItems(RefactorMenu.java:75) at org.eclipse.rephraserengine.ui.menus.RefactorMenu.isEmpty(RefactorMenu.java:372) at org.eclipse.rephraserengine.internal.ui.menus.RefactorableResourcePropertyTester.test(RefactorableResourcePropertyTester.java:26) at org.eclipse.core.internal.expressions.Property.test(Property.java:58) at org.eclipse.core.internal.expressions.TestExpression.evaluate(TestExpression.java:99) at org.eclipse.core.internal.expressions.CompositeExpression.evaluateAnd(CompositeExpression.java:53) at org.eclipse.core.internal.expressions.AdaptExpression.evaluate(AdaptExpression.java:91) at org.eclipse.core.internal.expressions.CompositeExpression.evaluateOr(CompositeExpression.java:68) at org.eclipse.core.internal.expressions.OrExpression.evaluate(OrExpression.java:21) at org.eclipse.core.internal.expressions.CompositeExpression.evaluateAnd(CompositeExpression.java:53) at org.eclipse.core.internal.expressions.IterateExpression.evaluate(IterateExpression.java:184) at org.eclipse.core.internal.expressions.CompositeExpression.evaluateAnd(CompositeExpression.java:53) at org.eclipse.core.internal.expressions.WithExpression.evaluate(WithExpression.java:72) at org.eclipse.core.internal.expressions.ReferenceExpression.evaluate(ReferenceExpression.java:70) at org.eclipse.e4.ui.internal.workbench.ContributionsAnalyzer.isVisible(ContributionsAnalyzer.java:236) at org.eclipse.e4.ui.workbench.renderers.swt.ContributionRecord.computeVisibility(ContributionRecord.java:107) at org.eclipse.e4.ui.workbench.renderers.swt.ContributionRecord.updateVisibility(ContributionRecord.java:64) at org.eclipse.e4.ui.workbench.renderers.swt.MenuManagerRenderer$6.changed(MenuManagerRenderer.java:446) at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:109) at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:298) at org.eclipse.e4.core.internal.contexts.EclipseContext.set(EclipseContext.java:312) at org.eclipse.e4.ui.internal.services.ContextContextService.activateContext(ContextContextService.java:54) at org.eclipse.ui.internal.contexts.ContextService$UpdateExpression$1.run(ContextService.java:129) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135) ... 23 more Caused by: org.eclipse.core.internal.resources.ResourceException: Resource '/org.eclipse.ptp.rdt.managedbuilder.xlc.ui' does not exist. at org.eclipse.core.internal.resources.Resource.checkExists(Resource.java:341) at org.eclipse.core.internal.resources.Resource.checkAccessible(Resource.java:215) at org.eclipse.core.internal.resources.Project.checkAccessible(Project.java:147) at org.eclipse.core.internal.resources.Project.hasNature(Project.java:589) at org.eclipse.photran.internal.core.vpg.PhotranVPG.shouldProcessProject(PhotranVPG.java:539) ... 55 more
Looks like you might have a problem with the plugins in your workspace. Do you have any build errors?
I think this invocation is resulting from Photran's dynamic Refactor menu, whose contents depend on the resources in the active selection. This method appears to be seeing the resource change after the project is closed, on e4 at least. Anyway, it makes sense to just return false in this scenario, rather than throw an error. I made this change in ptp_5_0 and master.
