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https://issues.apache.org/jira/browse/PIVOT-792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13093842#comment-13093842
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Greg Brown commented on PIVOT-792:
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Perhaps a fix would be for the callback to check that the activity indicator is
still attached to a display and cancel itself if not.
> memory leak : window is still referenced after window.close() when using
> acitvity indicator or other timer-related callback components
> --------------------------------------------------------------------------------------------------------------------------------------
>
> Key: PIVOT-792
> URL: https://issues.apache.org/jira/browse/PIVOT-792
> Project: Pivot
> Issue Type: Bug
> Environment: current pivot trunk
> Reporter: Andrei Pozolotin
>
> memory leak : window is still referenced after window.close() when using
> acitvity indicator or other timer-related callback components
> here is bug project
> https://github.com/carrot-garden/carrot-bugger/tree/master/carrot-bug-pivot-memory-leak-000
> with 2 cases
> "NO LEAK"
> https://github.com/carrot-garden/carrot-bugger/tree/master/carrot-bug-pivot-memory-leak-000/src/main/java/com/carrotgarden/bug/case_1_no_leak
> "LEAK"
> https://github.com/carrot-garden/carrot-bugger/tree/master/carrot-bug-pivot-memory-leak-000/src/main/java/com/carrotgarden/bug/case_2_leak
> basically, if window uses activity indicator it is placed in timer queue and
> never removed on window.close();
> workaround: you must stop activity indicator manually via "on close" event
> listener;
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