Brian Johnson created STORM-940:
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Summary: Lost messages with netty
Key: STORM-940
URL: https://issues.apache.org/jira/browse/STORM-940
Project: Apache Storm
Issue Type: Bug
Affects Versions: 0.9.5
Reporter: Brian Johnson
We have a topology that mysteriously stopped several times. On the most recent
occasion it had a max spout pending of 4 and there were 4 transactions in
zookeeper. We are using transactional topologies and the final bolt in the
topology is a global grouping with only one task. We have verified that the
first transaction finished successfully right up to the last line of the finish
batch, but the tx is still in zookeeper and all of the other transactions are
waiting on it. I know transactional topologies have been deprecated, but
regardless this shouldn't happen unless the acks are being dropped. We have had
a bunch of similar issues since moving to the netty based versions and I think
there is a serious reliability issue with them. Sorry I can't provide code to
replicate the issue because the problem is intermittent.
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