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Posted to commits@harmony.apache.org by "Nathan Beyer (JIRA)" <ji...@apache.org> on 2009/07/21 02:19:14 UTC
[jira] Assigned: (HARMONY-6277) Timer's finalizer throws an NPE if
the Timer wasn't constructed properly
[ https://issues.apache.org/jira/browse/HARMONY-6277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Nathan Beyer reassigned HARMONY-6277:
-------------------------------------
Assignee: Nathan Beyer
> Timer's finalizer throws an NPE if the Timer wasn't constructed properly
> ------------------------------------------------------------------------
>
> Key: HARMONY-6277
> URL: https://issues.apache.org/jira/browse/HARMONY-6277
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Affects Versions: 5.0M10
> Environment: SVN Revision: 794879
> Reporter: Jesse Wilson
> Assignee: Nathan Beyer
> Priority: Minor
> Attachments: Timer_newFinalizer.patch
>
> Original Estimate: 0.5h
> Remaining Estimate: 0.5h
>
> The following call creates a Timer with no associated thread:
> new Timer(null, true);
> When that timer is finalized, it's finalization helper object fails with a NullPointerException, because there's no Thread assigned to impl.
> The attached patch only initializes the finalization helper if the thread is created successfully. Unfortunately I couldn't come up with a reasonable test case for this. In Android, exceptions that occur during finalization result in stacktraces in the system log, which is how I detected this problem.
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