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https://issues.apache.org/jira/browse/HBASE-19925?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yun Zhao updated HBASE-19925:
-----------------------------
    Assignee: Yun Zhao
      Status: Patch Available  (was: Open)

> Delete an unreachable peer will triggers all regionservers abort
> ----------------------------------------------------------------
>
>                 Key: HBASE-19925
>                 URL: https://issues.apache.org/jira/browse/HBASE-19925
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Yun Zhao
>            Assignee: Yun Zhao
>            Priority: Critical
>         Attachments: HBASE-19925.master.001.patch
>
>
> Add an unreachable peer
> {code:java}
> add_peer '4', CLUSTER_KEY => "server1.cie.com:2181:/hbase"{code}
> After a while to delete it,Regionserver will appear in the following log and 
> stop.
> {code:java}
> 2018-02-02 20:04:25,959 INFO [main-EventThread.replicationSource,4] 
> regionserver.ReplicationSource: Replicating 
> 5467de52-dc46-45be-902c-110dd7a83e06 -> null
> 2018-02-02 20:04:25,960 ERROR 
> [main-EventThread.replicationSource,4.replicationSource.xxxx.com%2C16020%2C1515498473547.default,4]
>  regionserver.ReplicationSource: Unexpected exception in 
> ReplicationSourceWorkerThread, currentPath=null
> java.lang.IllegalArgumentException: Peer with id= 4 is not connected
>  at 
> org.apache.hadoop.hbase.replication.ReplicationPeersZKImpl.getStatusOfPeer(ReplicationPeersZKImpl.java:207)
>  at 
> org.apache.hadoop.hbase.replication.regionserver.ReplicationSource.isPeerEnabled(ReplicationSource.java:327)
>  at 
> org.apache.hadoop.hbase.replication.regionserver.ReplicationSource$ReplicationSourceWorkerThread.run(ReplicationSource.java:512)
> 2018-02-02 20:04:25,960 INFO 
> [main-EventThread.replicationSource,4.replicationSource.xxxx.com%2C16020%2C1515498473547.default,4]
>  regionserver.HRegionServer: STOPPED: Unexpected exception in 
> ReplicationSourceWorkerThread{code}
>  
> HBase 1.2.6



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