[GREENFOOT-532] Exception when recompiling
Got the following exception when using Greenfoot. Afterwards, the interface appearing disabled; act/run/reset disabled, as was all the "new ..()" options, and no edits would trigger a recompile. I think this may be the cause of the deadlock some users have seen:
{code:java} Exception in thread "AWT-EventQueue-0" java.util.ConcurrentModificationException at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901) at java.util.ArrayList$Itr.next(ArrayList.java:851) at bluej.debugmgr.objectbench.ObjectBench.removeAllObjects(ObjectBench.java:187) at bluej.pkgmgr.Project.clearObjectBenches(Project.java:1488) at bluej.pkgmgr.Project.removeClassLoader(Project.java:1457) at bluej.pkgmgr.Package.compile(Package.java:1267) at bluej.pkgmgr.Package.compile(Package.java:1287) at bluej.pkgmgr.Package.compileOnceIdle(Package.java:1524) at bluej.pkgmgr.Project.lambda$scheduleCompilation$5(Project.java:2136) 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) {code}
Issue metadata
- Issue type: Bug
- Priority: High
- Fix versions: 3.0.3