[BLUEJ-719] NPE on menus
This one is random, just managed reproduce a coulpe of times: when an action that changes the interface (e.g. sharing a project), if you open a menu, an NPE is triggered:
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at bluej.pkgmgr.PkgMgrFrame.lambda$null$12(PkgMgrFrame.java:854) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueue$3.run(EventQueue.java:703) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:726) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) 1470387036777: Listening for JDWP connection on address: javadebug
Issue metadata
- Issue type: Sub-task
- Priority: Medium
- Parent issue: [BLUEJ-710] Fix 4.0.0-preview-rc5 issues