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[HBASE-22601] Misconfigured addition of peers leads to cluster shutdown. #490

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Aug 22, 2019
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[HBASE-22601] Misconfigured addition of peers leads to cluster shutdown. #490

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[HBASE-22601] Misconfigured addition of peers leads to cluster shutdown.
Aug 13, 2019
c4bafbe
[HBASE-22601] Addresing review comments.
Aug 18, 2019
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9 changes: 9 additions & 0 deletions ...ver/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.java
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Original file line number Diff line number Diff line change
Expand Up @@ -309,6 +309,15 @@ public void run() {
}
}

if (peerClusterId == null) {
// In some cases, it is possible that peerClusterId is null because it couldn't read
// peer cluster id from zookeeper. One case this might happen is because 2 clusters don't
// have kerberos trust setup.
this.terminate("Peer ClusterId returned is null", null, false);
this.manager.closeQueue(this);
return;
}

// In rare case, zookeeper setting may be messed up. That leads to the incorrect
// peerClusterId value, which is the same as the source clusterId
if (clusterId.equals(peerClusterId) && !replicationEndpoint.canReplicateToSameCluster()) {
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