Bugzilla – Full Text Bug Listing
| Summary: | SWTException: Widget is disposed in JEE5ContentProvider | ||
|---|---|---|---|
| Product: | [WebTools] WTP Java EE Tools | Reporter: | Xu XIANG <xu.xiang> |
| Component: | jst.j2ee | Assignee: | jst.j2ee <jst.j2ee-inbox> |
| Status: | CLOSED DUPLICATE | QA Contact: | Chuck Bridgham <cbridgha> |
| Severity: | normal | ||
| Priority: | P3 | CC: | ccc |
| Version: | 3.2 | ||
| Target Milestone: | --- | ||
| Hardware: | PC | ||
| OS: | Windows XP | ||
| Whiteboard: | |||
*** This bug has been marked as a duplicate of bug 299764 *** |
Build Identifier: 20090920-1017 Caused by: org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:3884) at org.eclipse.swt.SWT.error(SWT.java:3799) at org.eclipse.swt.SWT.error(SWT.java:3770) at org.eclipse.swt.widgets.Widget.error(Widget.java:463) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:336) at org.eclipse.swt.widgets.Tree.setRedraw(Tree.java:4715) at org.eclipse.jst.jee.ui.internal.navigator.JEE5ContentProvider$1.run(JEE5ContentProvider.java:166) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) ... 40 more The implementation of the method org.eclipse.jst.jee.ui.internal.navigator.JEE5ContentProvider.projectChanged(IProject) looks questionable to me: 1) Why should a content provider trigger the viewer refresh? Is here the right place for this logic? 2) If you do the refresh asynchronously (line 171): Display.getDefault().asyncExec(refreshThread) you should always verify whether the controls are still valid to prevent such SWTException ("Widget is disposed") Reproducible: Sometimes