Jun Rao created KAFKA-4811:
------------------------------
Summary: 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
Affects Versions: 0.10.2.0
Reporter: Jun Rao
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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