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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