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I got the attached exception a few times while renaming an EJB project. To reproduce: 1. Create a new EJB project with existing sources using the attached sources 2. Right-click the project node, choose Rename 3. Check the "Also Rename Project Folder" checkbox, enter a directory name, click OK. 4. Hopefully you'll experience the issue, it is quite random.
Created attachment 25324 [details] Stack trace
Created attachment 25325 [details] Project sources
BTW: the project operations infrastructure handles IOExceptions gracefully (a user-friendly message is shown, the dialog is closed, the correct project is re-opened). I have created issue #65513 that requires that general Exceptions should be handled this way.
Fixed http://j2ee.netbeans.org/source/browse/j2ee/ddloaders/src/org/netbeans/modules/j2ee/ddloaders/multiview/EjbJarMultiViewDataObject.java?r1=1.53&r2=1.54
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