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https://issues.apache.org/jira/browse/HADOOP-16019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16732380#comment-16732380
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Steve Loughran commented on HADOOP-16019:
-----------------------------------------
looks reasonable.
Can you include ex.toString() in the message of the new exception? This
guarantees that even if that first error message is all that is printed, the
inner cause is still preserved
> ZKDelegationTokenSecretManager won't log exception message occured in
> function setJaasConfiguration
> ---------------------------------------------------------------------------------------------------
>
> Key: HADOOP-16019
> URL: https://issues.apache.org/jira/browse/HADOOP-16019
> Project: Hadoop Common
> Issue Type: Improvement
> Components: common
> Affects Versions: 3.1.0
> Reporter: luhuachao
> Priority: Minor
> Attachments: HADOOP-16019.1.patch
>
>
> * when the config ZK_DTSM_ZK_KERBEROS_KEYTAB or
> ZK_DTSM_ZK_KERBEROS_PRINCIPAL are not set, the IllegalArgumentException
> message cannot be logged.
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