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https://issues.apache.org/jira/browse/STORM-996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14704748#comment-14704748
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Jungtaek Lim commented on STORM-996:
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I'm not sure it was same issue cause error messages were not properly logged,
but sometimes Travis CI also fails because of netty unit test. Please see here.
https://travis-ci.org/apache/storm/jobs/76404540
If it succeeds, test result is below,
{quote}
Running backtype.storm.messaging.netty-unit-test
Tests run: 3, Passed: 100003, Failures: 0, Errors: 0
{quote}
But in this situation, test result shows difference,
{quote}
Running backtype.storm.messaging.netty-unit-test
16417 [main] INFO b.s.m.n.Client - closing Netty Client
Netty-Client-localhost/127.0.0.1:6700
16417 [main] INFO b.s.m.n.Client - waiting up to 600000 ms to send 0 pending
messages to Netty-Client-localhost/127.0.0.1:6700
Tests run: 3, Passed: 100001, Failures: 2, Errors: 0
{quote}
Strange thing comes here - INFO lines exposed to output which didn't.
Actually I've met failure of test-batch on my Mac recently, but it is not
reproducible.
> netty-unit-tests/test-batch demonstrates out-of-order delivery
> --------------------------------------------------------------
>
> Key: STORM-996
> URL: https://issues.apache.org/jira/browse/STORM-996
> Project: Apache Storm
> Issue Type: Bug
> Affects Versions: 0.10.0
> Reporter: Derek Dagit
> Assignee: Derek Dagit
> Priority: Blocker
>
> backtype.storm.messaging.netty-unit-test/test-batch
> One example of output. Similar things happen sporadically and vary widely by
> number of failed assertions.
> Tuples are not just skewed, but actually seem to come in out-of-order.
> {quote}
> actual: (not (= "66040" "66041"))
> at: test_runner.clj:105
> expected: (= req_msg resp_msg)
> actual: (not (= "66041" "66042"))
> at: test_runner.clj:105
> expected: (= req_msg resp_msg)
> actual: (not (= "66042" "66040"))
> at: test_runner.clj:105
> {quote}
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