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https://issues.apache.org/jira/browse/HIVE-16973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16089179#comment-16089179
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Sushanth Sowmyan commented on HIVE-16973:
-----------------------------------------
Apparently the build breakage is not unrelated - it looks like we did not have
an explicit dependency on plexus while using it from WarehouseInstance.java ,
whereas we were bringing in the dependency via accumulo's dependencies. Now
that we depend on a new accumulo version that has a different dependency chain,
we no longer bring in plexus, and break the other test compile. I'm attaching a
new version of this patch with that fixed.
> Fetching of Delegation tokens (Kerberos) for AccumuloStorageHandler fails in
> HS2
> --------------------------------------------------------------------------------
>
> Key: HIVE-16973
> URL: https://issues.apache.org/jira/browse/HIVE-16973
> Project: Hive
> Issue Type: Bug
> Components: Accumulo Storage Handler
> Reporter: Josh Elser
> Assignee: Josh Elser
> Attachments: HIVE-16973.001.patch, HIVE-16973.002.branch-2.patch,
> HIVE-16973.003.branch-2.patch, HIVE-16973.004-branch-2.patch,
> HIVE-16973.004.branch-2.patch, HIVE-16973.004-master.patch,
> HIVE-16973.005-master.patch
>
>
> Had a report from a user that Kerberos+AccumuloStorageHandler+HS2 was broken.
> Looking into it, it seems like the bit-rot got pretty bad. You'll see
> something like the following:
> {noformat}
> Caused by: java.io.IOException: Failed to unwrap AuthenticationToken
> at
> org.apache.hadoop.hive.accumulo.HiveAccumuloHelper.unwrapAuthenticationToken(HiveAccumuloHelper.java:312)
>
> at
> org.apache.hadoop.hive.accumulo.mr.HiveAccumuloTableInputFormat.getSplits(HiveAccumuloTableInputFormat.java:122)
>
> {noformat}
> It appears that some of the code-paths changed since when I first did my
> testing (or I just did poor testing) and the delegation token was never being
> fetched/serialized. There also are some issues with fetching the delegation
> token from Accumulo properly which were addressed in ACCUMULO-4665
> I believe it would also be best to just update the dependency to use Accumulo
> 1.7 (drop 1.6 support) as it's lacking in this regard. These changes would
> otherwise get much more complicated with reflection -- Accumulo has moved on
> past 1.6, so let's do the same in Hive.
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