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) -- This message was sent by Atlassian JIRA (v6.3.15#6346)