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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12366) Add login code to HBase Canary tool.
Date Fri, 15 May 2015 19:13:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14546021#comment-14546021
] 

Devaraj Das commented on HBASE-12366:
-------------------------------------

Someone debugging a security related issue brought up this jira.. Took a quick look at the
patch - I think the chore to refresh credentials is not needed. The code in RpcClient that
handles SASL connection failures should handle the renewal. [~srikanth235] in your tests,
did you try things out with just the login call added but without the renewal chore?

> Add login code to HBase Canary tool.
> ------------------------------------
>
>                 Key: HBASE-12366
>                 URL: https://issues.apache.org/jira/browse/HBASE-12366
>             Project: HBase
>          Issue Type: Bug
>          Components: security
>            Reporter: Srikanth Srungarapu
>            Assignee: Srikanth Srungarapu
>            Priority: Minor
>             Fix For: 2.0.0, 0.98.8, 0.99.2
>
>         Attachments: HBASE-12366_0.98.patch, HBASE-12366_0.98_v2.patch, HBASE-12366_master.patch,
HBASE-12366_master_v2.patch, HBASE-12366_master_v3.patch
>
>
> Currently, HBase canary tool doesn't have provision for renewing Kerberos ticket. So,
if it is left running for sufficiently long periods, it would error out with the following
exception messages. 
> {code}
> 2014-09-22 14:20:18,781 WARN org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException
as:hbase (auth:KERBEROS) cause:javax.security.sasl.SaslException: GSS initiate failed [Caused
by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos
tgt)]
> 2014-09-22 14:20:18,783 WARN org.apache.hadoop.ipc.RpcClient: Exception encountered while
connecting to the server : javax.security.sasl.SaslException: GSS initiate failed [Caused
by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos
tgt)]
> 2014-09-22 14:20:18,783 FATAL org.apache.hadoop.ipc.RpcClient: SASL authentication failed.
The most likely cause is missing or invalid credentials. Consider 'kinit'.
> javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid
credentials provided (Mechanism level: Failed to find any Kerberos tgt)] 
> {code}



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