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https://issues.apache.org/jira/browse/KAFKA-6949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16523297#comment-16523297
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Dong Lin commented on KAFKA-6949:
---------------------------------
[~rsivaram] The patch has been merged into trunk. I opened PR
[https://github.com/apache/kafka/pull/5293] to merge it into 2.0. Typically do
we need review from another committer in order to cherry-pick patch from trunk
into a release branch?
Also, I added fix version 2.0.0 in this JIRA. Please feel free to change it as
you see appropriate. Thanks.
> alterReplicaLogDirs() should grab partition lock when accessing log of the
> future replica
> -----------------------------------------------------------------------------------------
>
> Key: KAFKA-6949
> URL: https://issues.apache.org/jira/browse/KAFKA-6949
> Project: Kafka
> Issue Type: Bug
> Reporter: Jason Gustafson
> Assignee: Dong Lin
> Priority: Blocker
> Fix For: 2.0.0
>
>
> I found this in a failed execution of
> kafka.admin.ReassignPartitionsClusterTest.shouldExpandCluster. Looks like
> we're missing some option checking.
> {code}
> [2018-05-25 08:03:53,310] ERROR [ReplicaManager broker=100] Error while
> changing replica dir for partition my-topic-2 (kafka.server.ReplicaManager:76)
> java.util.NoSuchElementException: None.get
> at scala.None$.get(Option.scala:347)
> at scala.None$.get(Option.scala:345)
> at
> kafka.server.ReplicaManager$$anonfun$alterReplicaLogDirs$1.apply(ReplicaManager.scala:584)
> at
> kafka.server.ReplicaManager$$anonfun$alterReplicaLogDirs$1.apply(ReplicaManager.scala:576)
> at
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at scala.collection.Iterator$class.foreach(Iterator.scala:891)
> at scala.collection.AbstractIterator.foreach(Iterator.scala:1334)
> at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
> at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
> at scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
> at scala.collection.AbstractTraversable.map(Traversable.scala:104)
> at
> kafka.server.ReplicaManager.alterReplicaLogDirs(ReplicaManager.scala:576)
> at
> kafka.server.KafkaApis.handleAlterReplicaLogDirsRequest(KafkaApis.scala:2037)
> at kafka.server.KafkaApis.handle(KafkaApis.scala:138)
> at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:69)
> at java.lang.Thread.run(Thread.java:748)
> {code}
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