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Posted to issues@storm.apache.org by "Robert Joseph Evans (JIRA)" <ji...@apache.org> on 2018/04/03 15:43:00 UTC

[jira] [Created] (STORM-3020) Fix race condition is async localizer

Robert Joseph Evans created STORM-3020:
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             Summary: Fix race condition is async localizer
                 Key: STORM-3020
                 URL: https://issues.apache.org/jira/browse/STORM-3020
             Project: Apache Storm
          Issue Type: Bug
          Components: storm-server
    Affects Versions: 2.0.0
            Reporter: Robert Joseph Evans
            Assignee: Robert Joseph Evans


I think this impacts all of the code that uses asynclocalizer, but I need to check to be sure.

As part of a review of a different pull request against AsyncLocalizer I noticed that requestDownloadTopologyBlobs is synchronized, but everything it does is async, but there is a race in one of the async pieces where we read from a map, and then try to update the map later, all outside of a lock.



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