[jira] [Assigned] (ZOOKEEPER-2856) ZooKeeperSaslClient#respondToServer should log exception message of SaslException

["Michael Han (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-2856?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Han reassigned ZOOKEEPER-2856:
--------------------------------------

    Assignee: Pan Yuxuan

> ZooKeeperSaslClient#respondToServer should log exception message of SaslException
> ---------------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-2856
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2856
>             Project: ZooKeeper
>          Issue Type: Improvement
>    Affects Versions: 3.4.10, 3.5.3
>            Reporter: Pan Yuxuan
>            Assignee: Pan Yuxuan
>            Priority: Minor
>         Attachments: ZOOKEEPER-2856-1.patch
>
>
> When upstream like HBase call ZooKeeperSaslClient with security enabled, we sometimes get error in HBase logs like:
> {noformat}
> SASL authentication failed using login context 'Client'.
> {noformat}
> This error occures when getting SaslException in ZooKeeperSaslClient#respondToServer :
> {noformat}
>  catch (SaslException e) {
>                 LOG.error("SASL authentication failed using login context '" +
>                         this.getLoginContext() + "'.");
>                 saslState = SaslState.FAILED;
>                 gotLastPacket = true;
>   }
> {noformat}
> This error makes user confused without explicit exception message. So I think we can add exception message to the log.



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