[jira] [Comment Edited] (KAFKA-7486) Flaky test `DeleteTopicTest.testAddPartitionDuringDeleteTopic`

["Dong Lin (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-7486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16690115#comment-16690115 ] 

Dong Lin edited comment on KAFKA-7486 at 11/16/18 11:13 PM:
------------------------------------------------------------

The test calls `AdminUtils.addPartitions` to add partition to the topic after the async topic deletion is triggered. It assumes that the topic deletion is not completed when `AdminUtils.addPartitions` is executed but this is not guaranteed. This is the root cause of the test failure. So it does not indicate any bug in the code and thus this is not a blocking issue for 2.1.0 release.


was (Author: lindong):
The test calls `AdminUtils.addPartitions` to add partition to the topic after the async topic deletion is triggered. It assumes that the topic deletion is not completed when `AdminUtils.addPartitions` is executed but this is not guaranteed. This is the root cause of the test failure. So it does not indicate any bug in the code and thus this is not a blocking issue for 2.1 release.

> Flaky test `DeleteTopicTest.testAddPartitionDuringDeleteTopic`
> --------------------------------------------------------------
>
>                 Key: KAFKA-7486
>                 URL: https://issues.apache.org/jira/browse/KAFKA-7486
>             Project: Kafka
>          Issue Type: Sub-task
>            Reporter: Jason Gustafson
>            Priority: Major
>
> Starting to see more of this recently:
> {code}
> 10:06:28 kafka.admin.DeleteTopicTest > testAddPartitionDuringDeleteTopic FAILED
> 10:06:28     kafka.admin.AdminOperationException: org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /brokers/topics/test
> 10:06:28         at kafka.zk.AdminZkClient.writeTopicPartitionAssignment(AdminZkClient.scala:162)
> 10:06:28         at kafka.zk.AdminZkClient.createOrUpdateTopicPartitionAssignmentPathInZK(AdminZkClient.scala:102)
> 10:06:28         at kafka.zk.AdminZkClient.addPartitions(AdminZkClient.scala:229)
> 10:06:28         at kafka.admin.DeleteTopicTest.testAddPartitionDuringDeleteTopic(DeleteTopicTest.scala:266)
> {code}



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