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https://issues.apache.org/jira/browse/KAFKA-2386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14652636#comment-14652636
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ASF GitHub Bot commented on KAFKA-2386:
---------------------------------------
GitHub user hachikuji opened a pull request:
https://github.com/apache/kafka/pull/107
KAFKA-2386; increase timeouts for transient test failure in
ConsumerCoordinatorResponseTests
There are two race conditions in the test case
"testGenerationIdIncrementsOnRebalance." First, a delay before the second join
group request can timeout the initial group and cause the generationId to
unexpectedly reset. Second, a delay in the join group request handling will
timeout the request itself and cause the test to fail. This commit doesn't
address these race conditions, but increases the timeouts to make them more
unlikely. If the problem reoccurs, then we'll probably need a better solution.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/hachikuji/kafka KAFKA-2386
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/107.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #107
----
commit a53460a1a6637a814cbfe3731431746e56c52742
Author: Jason Gustafson <ja...@confluent.io>
Date: 2015-07-31T23:17:36Z
KAFKA-2386; increase timeouts for transient test failure in
ConsumerCoordinatorResponseTest
----
> Transient test failure: testGenerationIdIncrementsOnRebalance
> -------------------------------------------------------------
>
> Key: KAFKA-2386
> URL: https://issues.apache.org/jira/browse/KAFKA-2386
> Project: Kafka
> Issue Type: Sub-task
> Reporter: Jason Gustafson
>
> Seen this in some builds. Might be caused by gc pause (or similar) which
> delays group join in the test.
> {code}
> kafka.coordinator.ConsumerCoordinatorResponseTest >
> testGenerationIdIncrementsOnRebalance FAILED
> java.util.concurrent.TimeoutException: Futures timed out after [40
> milliseconds]
> at
> scala.concurrent.impl.Promise$DefaultPromise.ready(Promise.scala:219)
> at
> scala.concurrent.impl.Promise$DefaultPromise.result(Promise.scala:223)
> at scala.concurrent.Await$$anonfun$result$1.apply(package.scala:107)
> at
> scala.concurrent.BlockContext$DefaultBlockContext$.blockOn(BlockContext.scala:53)
> at scala.concurrent.Await$.result(package.scala:107)
> at
> kafka.coordinator.ConsumerCoordinatorResponseTest.joinGroup(ConsumerCoordinatorResponseTest.scala:313)
> at
> kafka.coordinator.ConsumerCoordinatorResponseTest.testGenerationIdIncrementsOnRebalance(ConsumerCoordinatorResponseTest.scala:272)
> {code}
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