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https://issues.apache.org/jira/browse/HBASE-3755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13017128#comment-13017128
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Todd Lipcon commented on HBASE-3755:
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Nice idea
> Catch zk's ConnectionLossException and augment error message with more help
> ---------------------------------------------------------------------------
>
> Key: HBASE-3755
> URL: https://issues.apache.org/jira/browse/HBASE-3755
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.90.1
> Reporter: Jean-Daniel Cryans
> Fix For: 0.90.3
>
>
> 0.90 has a different behavior regarding ZK connections, it tends to create
> too many of them and it's not obvious to users what they should do to fix. I
> think I've helped at least 5 different users this week with this error.
> By catching ConnectionLossException and augmenting its message, we could say
> something like "it's possible that the ZooKeeper server has too many
> connections from this IP, see doc at blah" since the ZK server isn't nice
> enough to let us know what's going on.
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