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Neha Narkhede edited comment on KAFKA-1504 at 6/26/14 10:21 PM: ---------------------------------------------------------------- Please retry the test on trunk as [~guozhang] suggested since the fix for the reported problem is checked in. Please reopen this JIRA if you find that to not be the case. was (Author: nehanarkhede): Please retry the test on trunk as [~guozhang] suggested since the fix for the reported problem is checked in. > Replica is unable to update ISR > ------------------------------- > > Key: KAFKA-1504 > URL: https://issues.apache.org/jira/browse/KAFKA-1504 > Project: Kafka > Issue Type: Bug > Components: replication > Affects Versions: 0.8.1 > Environment: Windows Server 2012; JDK 1.7.0 > Reporter: Jie Tong > Assignee: Neha Narkhede > > We ran into this issue relatively frequent: replica cannot update ISR and > thus fall out of the ISR and result in the # of replicas in ISR < replication > factor. A restart of broker can mitigate the issue. > Below is the error log: > e,06/22/2014 > 20:29:20,Logging,kafka.utils.Logging$class,SrcFile="Logging.scala" > SrcFunc="error" SrcLine="97" Pid="1952" Tid="8852" TS="0x01CF8E935200FDAF" > String1="Conditional update of path > /brokers/topics/RTUserCount/partitions/60/state with data > {'controller_epoch':44,'leader':3690877,'version':1,'leader_epoch':110,'isr':[3690877]} > and expected version 230 failed due to > org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode = > BadVersion for /brokers/topics/RTUserCount/partitions/60/state" > i,06/22/2014 > 20:29:20,Logging,kafka.utils.Logging$class,SrcFile="Logging.scala" > SrcFunc="info" SrcLine="68" Pid="1952" Tid="8852" TS="0x01CF8E93520124BC" > String1="Partition [RTUserCount,60] on broker 3690877: Cached zkVersion [230] > not equal to that in zookeeper, skip updating ISR" -- This message was sent by Atlassian JIRA (v6.2#6252)