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https://issues.apache.org/jira/browse/KAFKA-4811?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jun Rao resolved KAFKA-4811.
----------------------------
Resolution: Fixed
Fix Version/s: 0.11.0.0
Issue resolved by pull request 2606
[https://github.com/apache/kafka/pull/2606]
> ReplicaFetchThread may fail to create due to existing metric
> ------------------------------------------------------------
>
> Key: KAFKA-4811
> URL: https://issues.apache.org/jira/browse/KAFKA-4811
> Project: Kafka
> Issue Type: Bug
> Components: replication
> Affects Versions: 0.10.2.0
> Reporter: Jun Rao
> Assignee: huxi
> Labels: newbie
> Fix For: 0.11.0.0
>
>
> Someone reported the following error.
> 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=1,
> fetcher-id=0}]' already exists, can't register another one.
> at
> org.apache.kafka.common.metrics.Metrics.registerMetric(Metrics.java:433)
> at org.apache.kafka.common.metrics.Sensor.add(Sensor.java:249)
> at org.apache.kafka.common.metrics.Sensor.add(Sensor.java:234)
> at
> org.apache.kafka.common.network.Selector$SelectorMetrics.<init>(Selector.java:680)
> at org.apache.kafka.common.network.Selector.<init>(Selector.java:140)
> at
> kafka.server.ReplicaFetcherThread.<init>(ReplicaFetcherThread.scala:86)
> 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:882)
> at
> kafka.server.ReplicaManager.becomeLeaderOrFollower(ReplicaManager.scala:700)
> at
> kafka.server.KafkaApis.handleLeaderAndIsrRequest(KafkaApis.scala:148)
> at kafka.server.KafkaApis.handle(KafkaApis.scala:84)
> at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:62)
> at java.lang.Thread.run(Thread.java:745)
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