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https://issues.apache.org/jira/browse/HIVE-13384?focusedWorklogId=734559&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-734559
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ASF GitHub Bot logged work on HIVE-13384:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 01/Mar/22 13:20
            Start Date: 01/Mar/22 13:20
    Worklog Time Spent: 10m 
      Work Description: cuibo01 commented on pull request #3064:
URL: https://github.com/apache/hive/pull/3064#issuecomment-1055436970


   @thejasmn @nandakumar131  @zabetak @sankarh pls review 


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 734559)
    Time Spent: 20m  (was: 10m)

> Failed to create HiveMetaStoreClient object with proxy user when Kerberos 
> enabled
> ---------------------------------------------------------------------------------
>
>                 Key: HIVE-13384
>                 URL: https://issues.apache.org/jira/browse/HIVE-13384
>             Project: Hive
>          Issue Type: Improvement
>          Components: Metastore
>    Affects Versions: 1.2.0, 1.2.1
>            Reporter: Bing Li
>            Assignee: Bing Li
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> I wrote a Java client to talk with HiveMetaStore. (Hive 1.2.0)
> But found that it can't new a HiveMetaStoreClient object successfully via a 
> proxy user in Kerberos env.
> ===========================
> 15/10/13 00:14:38 ERROR transport.TSaslTransport: SASL negotiation failure
> javax.security.sasl.SaslException: GSS initiate failed [Caused by 
> GSSException: No valid credentials provided (Mechanism level: Failed to find 
> any Kerberos tgt)]
>         at 
> com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
>         at 
> org.apache.thrift.transport.TSaslClientTransport.handleSaslStartMessage(TSaslClientTransport.java:94)
>         at 
> org.apache.thrift.transport.TSaslTransport.open(TSaslTransport.java:271)
> ==========================
> When I debugging on Hive, I found that the error came from open() method in 
> HiveMetaStoreClient class.
> Around line 406,
>  transport = UserGroupInformation.getCurrentUser().doAs(new 
> PrivilegedExceptionAction<TTransport>() {  //FAILED, because the current user 
> doesn't have the cridential
> But it will work if I change above line to
>  transport = UserGroupInformation.getCurrentUser().getRealUser().doAs(new 
> PrivilegedExceptionAction<TTransport>() {  //PASS
> I found DRILL-3413 fixes this error in Drill side as a workaround. But if I 
> submit a mapreduce job via Pig/HCatalog, it runs into the same issue again 
> when initialize the object via HCatalog.
> It would be better to fix this issue in Hive side.



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