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https://issues.apache.org/jira/browse/HADOOP-9567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14936636#comment-14936636
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Subroto Sanyal commented on HADOOP-9567:
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one more thing [~qwertymaniac]; isn't the renewal from keytab happens in
_org.apache.hadoop.ipc.Client.Connection.handleSaslConnectionFailure(int, int,
Exception, Random, UserGroupInformation)_ whith the following piece of code:
{code} // try re-login
if (UserGroupInformation.isLoginKeytabBased()) {
UserGroupInformation.getLoginUser().reloginFromKeytab();
} else if (UserGroupInformation.isLoginTicketBased()) {
UserGroupInformation.getLoginUser().reloginFromTicketCache();
}{code}
> Provide auto-renewal for keytab based logins
> --------------------------------------------
>
> Key: HADOOP-9567
> URL: https://issues.apache.org/jira/browse/HADOOP-9567
> Project: Hadoop Common
> Issue Type: Improvement
> Components: security
> Affects Versions: 2.0.0-alpha
> Reporter: Harsh J
> Priority: Minor
>
> We do a renewal for cached tickets (obtained via kinit before using a Hadoop
> application) but we explicitly seem to avoid doing a renewal for keytab based
> logins (done from within the client code) when we could do that as well via a
> similar thread.
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