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https://issues.apache.org/jira/browse/HBASE-3130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13102083#comment-13102083
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Jean-Daniel Cryans commented on HBASE-3130:
-------------------------------------------
Here it goes:
{quote}
2011-09-09 19:44:28,224 FATAL
org.apache.hadoop.hbase.regionserver.HRegionServer: ABORTING region server
serverName=sv4r17s40,60020,1313587209632, load=(requests=4292, regions=186,
usedHeap=11929, maxHeap=24749): connection to cluster: 5-0x130d4937f890066
connection to cluster: 5-0x130d4937f890066 received expired from ZooKeeper,
aborting
org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode =
Session expired
at
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.connectionEvent(ZooKeeperWatcher.java:343)
at
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:261)
at
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:530)
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:506)
{quote}
As you can see it's pretty generic, I could trace it was the peer connection
with the "connection to cluster". Moreover the fix will take place around
ReplicationPeer which contains a ZKW that requires an Abortable which, at the
moment, is the RS itself. Instead we should pass our own, or maybe
ReplicationSource should implement it.
> [replication] ReplicationSource can't recover from session expired on remote
> clusters
> -------------------------------------------------------------------------------------
>
> Key: HBASE-3130
> URL: https://issues.apache.org/jira/browse/HBASE-3130
> Project: HBase
> Issue Type: Bug
> Components: replication
> Reporter: Jean-Daniel Cryans
>
> Currently ReplicationSource cannot recover when its zookeeper connection to
> its remote cluster expires. HLogs are still being tracked, but a cluster
> restart is required to continue replication (or a rolling restart).
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