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https://issues.apache.org/jira/browse/KAFKA-3584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15279848#comment-15279848
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ASF GitHub Bot commented on KAFKA-3584:
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GitHub user omkreddy opened a pull request:
https://github.com/apache/kafka/pull/1367
KAFKA-3584; Fix synchronization issue between deleteOldSegments() and nd
delete() methods calls
This PR is to fix synchronization issue between deleteOldSegments() and
delete() method calls. log.deleteOldSegments() call throws NullPointerException
after log.delete() method call.
cc @ijuma @junrao
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/omkreddy/kafka KAFKA-3584
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/1367.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 #1367
----
commit 6a9240d7fd6d7b08246bda6fba6d909d5268a5d2
Author: Manikumar reddy O <manikumar.re...@gmail.com>
Date: 2016-05-11T09:15:45Z
KAFKA-3584; Fix synchronization problem between deleteOldSegments() and
delete() methods calls
----
> NullPointer Exception found when Delete Topic and Log delete concurrent
> -----------------------------------------------------------------------
>
> Key: KAFKA-3584
> URL: https://issues.apache.org/jira/browse/KAFKA-3584
> Project: Kafka
> Issue Type: Bug
> Components: core, log
> Affects Versions: 0.9.0.1
> Reporter: Pengwei
> Assignee: Manikumar Reddy
> Priority: Minor
> Fix For: 0.10.0.1
>
>
> [2016-03-19 17:23:45,760] ERROR Uncaught exception in scheduled task
> ‘kafka-log-retention’ (kafka.utils.KafkaScheduler)
> java.lang.NullPointerException
> at kafka.log.Log.activeSegment(Log.scala:824)
> at kafka.log.Log.deleteOldSegments(Log.scala:602)
> at kafka.log.LogManager.kafka$log$LogManager
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