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Steps: 1. Start with a clean workspace 2. Import Eclipse.org "1" task into Task List 3. Activate Task using I'm feeling Lazy button The task editor is opened with an error message "Synchronize to retrieve task data" and a "New Task" is created in the Task List.
org.eclipse.core.runtime.CoreException: Task data at "/home/stp/ws/.metadata/.mylyn/tasks/local-local/offline/1.zip" not found at org.eclipse.mylyn.internal.tasks.core.data.TaskDataManager$1.execute(TaskDataManager.java:117) at org.eclipse.mylyn.internal.tasks.core.TaskList.run(TaskList.java:657) at org.eclipse.mylyn.internal.tasks.core.TaskList.run(TaskList.java:649) at org.eclipse.mylyn.internal.tasks.core.data.TaskDataManager.getWorkingCopy(TaskDataManager.java:112) at org.eclipse.mylyn.internal.tasks.core.data.TaskDataManager.getWorkingCopy(TaskDataManager.java:104) at org.eclipse.mylyn.tasks.ui.editors.AbstractTaskEditorPage.createModel(AbstractTaskEditorPage.java:634) at org.eclipse.mylyn.internal.bugzilla.ui.editor.BugzillaTaskEditorPage.createModel(BugzillaTaskEditorPage.java:251) at org.eclipse.mylyn.tasks.ui.editors.AbstractTaskEditorPage.initModel(AbstractTaskEditorPage.java:1138) at org.eclipse.mylyn.tasks.ui.editors.AbstractTaskEditorPage.init(AbstractTaskEditorPage.java:1130) at org.eclipse.ui.forms.editor.FormEditor.registerPage(FormEditor.java:651) at org.eclipse.ui.forms.editor.FormEditor.configurePage(FormEditor.java:342) at org.eclipse.ui.forms.editor.FormEditor.addPage(FormEditor.java:190) at org.eclipse.mylyn.tasks.ui.editors.TaskEditor.addPages(TaskEditor.java:394) at org.eclipse.ui.forms.editor.FormEditor.createPages(FormEditor.java:138) at org.eclipse.ui.forms.editor.SharedHeaderFormEditor.createPages(SharedHeaderFormEditor.java:98) at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:357) at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:662) at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:462) at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595) at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:313) at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:180) at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:270) at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65) at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:473) at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1256) at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1209) at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1608) at org.eclipse.ui.internal.PartStack.add(PartStack.java:499) at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:103) at org.eclipse.ui.internal.PartStack.add(PartStack.java:485) at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:112) at org.eclipse.ui.internal.EditorSashContainer.addEditor(EditorSashContainer.java:63) at org.eclipse.ui.internal.EditorAreaHelper.addToLayout(EditorAreaHelper.java:225) at org.eclipse.ui.internal.EditorAreaHelper.addEditor(EditorAreaHelper.java:213) at org.eclipse.ui.internal.EditorManager.createEditorTab(EditorManager.java:778) at org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(EditorManager.java:677) at org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java:638) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2854) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2762) at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2754) at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2705) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2701) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2685) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2668) at org.eclipse.mylyn.tasks.ui.TasksUiUtil.openEditor(TasksUiUtil.java:192) at org.eclipse.mylyn.tasks.ui.TasksUiUtil.openTask(TasksUiUtil.java:314) at org.eclipse.mylyn.internal.tasks.ui.util.TasksUiInternal.refreshAndOpenTaskListElement(TasksUiInternal.java:252) at org.eclipse.mylyn.internal.tasks.ui.actions.TaskSelectionDialogWithRandom$1.widgetSelected(TaskSelectionDialogWithRandom.java:88) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:228) ...
Steps: 1. Create unsubmitted task for Eclipse.org (automatically scheduled for this week) 2. Delete task 3. Use I'm feeling lazy The task editor is opened with an error.
Created attachment 144148 [details] fix
Created attachment 144149 [details] mylyn/context/zip
Turns out that TaskActivityManager can hold on to deleted tasks objects and hence could case the "I'm feeling lazy" button to resurrect a non-existent unsubmitted task. I have filed bug 286337 and committed a work-around for now that checks that all selected tasks actually exist. I have applied the patch to head and the service branch.
