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Posted to dev@storm.apache.org by "James Xu (JIRA)" <ji...@apache.org> on 2013/12/14 06:47:08 UTC

[jira] [Created] (STORM-64) Add Handshake when establishing new connection to worker.

James Xu created STORM-64:
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             Summary: Add Handshake when establishing new connection to worker.
                 Key: STORM-64
                 URL: https://issues.apache.org/jira/browse/STORM-64
             Project: Apache Storm (Incubating)
          Issue Type: Improvement
            Reporter: James Xu


https://github.com/nathanmarz/storm/issues/503

Right now it's possible for a worker to connect to a worker of a different topology during a reassignment. Generally this happens very rarely in practice, and when it does causes ClassNotFoundExceptions.

Add in a handshake when worker connection is first established, and ensure they agree on topology id. If they don't agree they shouldn't transfer any data, but neither should halt their process.



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