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https://issues.apache.org/jira/browse/KAFKA-2730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14987856#comment-14987856
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Gwen Shapira commented on KAFKA-2730:
-------------------------------------
[~guozhang] - I assigned this to you since you mentioned working on it. Feel
free to reassign if you are not.
> partition-reassignment tool stops working due to error in registerMetric
> ------------------------------------------------------------------------
>
> Key: KAFKA-2730
> URL: https://issues.apache.org/jira/browse/KAFKA-2730
> Project: Kafka
> Issue Type: Bug
> Components: core
> Reporter: Jun Rao
> Assignee: Guozhang Wang
> Priority: Blocker
> Fix For: 0.9.0.0
>
>
> I updated our test system to use Kafka from latest revision
> 7c33475274cb6e65a8e8d907e7fef6e56bc8c8e6 and now I'm seeing:
> [2015-11-03 14:07:01,554] ERROR [KafkaApi-2] error when handling request
> Name:LeaderAndIsrRequest;Version:0;Controller:3;ControllerEpoch:1;CorrelationId:5;ClientId:3;Leaders:BrokerEndPoint(3,192.168.60.168,21769);PartitionState:(5c700e33-9230-4219-a3e1-42574c175d62-logs,0)
> ->
> (LeaderAndIsrInfo:(Leader:3,ISR:3,LeaderEpoch:1,ControllerEpoch:1),ReplicationFactor:3),AllReplicas:2,3,1)
> (kafka.server.KafkaApis)
> java.lang.IllegalArgumentException: A metric named 'MetricName
> [name=connection-close-rate, group=replica-fetcher-metrics,
> description=Connections closed per second in the window.,
> tags={broker-id=3}]' already exists, can't register another one.
> at org.apache.kafka.common.metrics.Metrics.registerMetric(Metrics.java:285)
> at org.apache.kafka.common.metrics.Sensor.add(Sensor.java:177)
> at org.apache.kafka.common.metrics.Sensor.add(Sensor.java:162)
> at
> org.apache.kafka.common.network.Selector$SelectorMetrics.<init>(Selector.java:578)
> at org.apache.kafka.common.network.Selector.<init>(Selector.java:112)
> at kafka.server.ReplicaFetcherThread.<init>(ReplicaFetcherThread.scala:69)
> at
> kafka.server.ReplicaFetcherManager.createFetcherThread(ReplicaFetcherManager.scala:35)
> at
> kafka.server.AbstractFetcherManager$$anonfun$addFetcherForPartitions$2.apply(AbstractFetcherManager.scala:83)
> at
> kafka.server.AbstractFetcherManager$$anonfun$addFetcherForPartitions$2.apply(AbstractFetcherManager.scala:78)
> at
> scala.collection.TraversableLike$WithFilter$$anonfun$foreach$1.apply(TraversableLike.scala:772)
> at scala.collection.immutable.Map$Map1.foreach(Map.scala:109)
> at
> scala.collection.TraversableLike$WithFilter.foreach(TraversableLike.scala:771)
> at
> kafka.server.AbstractFetcherManager.addFetcherForPartitions(AbstractFetcherManager.scala:78)
> at kafka.server.ReplicaManager.makeFollowers(ReplicaManager.scala:791)
> at
> kafka.server.ReplicaManager.becomeLeaderOrFollower(ReplicaManager.scala:628)
> at kafka.server.KafkaApis.handleLeaderAndIsrRequest(KafkaApis.scala:114)
> at kafka.server.KafkaApis.handle(KafkaApis.scala:71)
> at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:60)
> at java.lang.Thread.run(Thread.java:745)
> This happens when I'm running kafka-reassign-partitions.sh. As a result in
> the verify command one of the partition reassignments says "is still in
> progress" forever.
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