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ASF GitHub Bot commented on ZOOKEEPER-2784: ------------------------------------------- Github user eribeiro commented on a diff in the pull request: https://github.com/apache/zookeeper/pull/257#discussion_r117574653 --- Diff: src/java/main/org/apache/zookeeper/server/quorum/QuorumCnxManager.java --- @@ -371,6 +372,10 @@ public void receiveConnection(Socket sock) { connectOne(sid); } + }else if (sid == self.getId()) { + closeSocket(sock); + throw new ConfigException(String.format("Appearing duplicate SID: %s", sid)); --- End diff -- I think this message could be more descriptive or reshaped. English is not my 1st language, but what about _"Inconsistent ensemble setup: duplicate SID %s found"?_ > Add some limitations on code level for `SID` to avoid configuration problem > --------------------------------------------------------------------------- > > Key: ZOOKEEPER-2784 > URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2784 > Project: ZooKeeper > Issue Type: Improvement > Components: quorum > Affects Versions: 3.5.2 > Reporter: Benedict Jin > Fix For: 3.6.0 > > Original Estimate: 168h > Remaining Estimate: 168h > > As so far, `QuorumCnxManager#receiveConnection` cannot find out the same > `SID` problem, then the Zookeeper cluster will start successfully. But the > cluster is not health, and it will throw some problem like `not > synchronized`. So, i thought we should add some limitations on code level for > `SID` to find those configuration problem more early. -- This message was sent by Atlassian JIRA (v6.3.15#6346)