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Roger Whitcomb commented on PIVOT-927: -------------------------------------- Very good. Checking in the fix to branches/2.0.x: Sending wtk\src\org\apache\pivot\wtk\ApplicationContext.java Transmitting file data . Committed revision 1551992. Merged into trunk: Sending . Sending wtk\src\org\apache\pivot\wtk\ApplicationContext.java Transmitting file data . Committed revision 1552012. > Unexpected NPE > -------------- > > Key: PIVOT-927 > URL: https://issues.apache.org/jira/browse/PIVOT-927 > Project: Pivot > Issue Type: Question > Affects Versions: 2.0.3 > Reporter: Ćukasz Hanusiak > Assignee: Roger Whitcomb > Fix For: 2.0.4, 2.1 > > Attachments: pivot-wtk-2.0.4.jar > > > After upgrading to pivot 2.0.3 my application randomly becomes unresponsive > after throwing NPE with following trace: > java.lang.NullPointerException > at > org.apache.pivot.wtk.ApplicationContext$DisplayHost.processMouseMotionEvent(ApplicationContext.java:1132) > > at java.awt.Component.processEvent(Unknown Source) > at > org.apache.pivot.wtk.ApplicationContext$DisplayHost.processEvent(ApplicationContext.java:793) > > at java.awt.Component.dispatchEventImpl(Unknown Source) > at java.awt.Component.dispatchEvent(Unknown Source) > at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source) > at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source) > at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source) > at java.awt.Container.dispatchEventImpl(Unknown Source) > at java.awt.Window.dispatchEventImpl(Unknown Source) > at java.awt.Component.dispatchEvent(Unknown Source) > at java.awt.EventQueue.dispatchEventImpl(Unknown Source) > at java.awt.EventQueue.access$400(Unknown Source) > at java.awt.EventQueue$2.run(Unknown Source) > at java.awt.EventQueue$2.run(Unknown Source) > at java.security.AccessController.doPrivileged(Native Method) > at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown > Source) > at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown > Source) > at java.awt.EventQueue$3.run(Unknown Source) > at java.awt.EventQueue$3.run(Unknown Source) > at java.security.AccessController.doPrivileged(Native Method) > at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown > Source) > at java.awt.EventQueue.dispatchEvent(Unknown Source) > at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source) > at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source) > at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) > at java.awt.EventDispatchThread.pumpEvents(Unknown Source) > at java.awt.EventDispatchThread.pumpEvents(Unknown Source) > at java.awt.EventDispatchThread.run(Unknown Source) > After mentioned exception occurs user is unable to use any element of UI. > Only application restart helps solve this problem. Even more confusing is > fact that problem sometimes occurs after few minutes and sometimes after few > hours or even days. > Can anybody give me some pointers how to workaround / fix this situation? -- This message was sent by Atlassian JIRA (v6.1.4#6159)