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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-17975) TokenUtil.obtainToken squashes remote exceptions
Date Fri, 28 Apr 2017 15:24:04 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Busbey updated HBASE-17975:
--------------------------------
    Status: Patch Available  (was: In Progress)

> TokenUtil.obtainToken squashes remote exceptions
> ------------------------------------------------
>
>                 Key: HBASE-17975
>                 URL: https://issues.apache.org/jira/browse/HBASE-17975
>             Project: HBase
>          Issue Type: Bug
>          Components: mapreduce, security
>    Affects Versions: 2.0.0
>            Reporter: Sean Busbey
>            Assignee: Sean Busbey
>            Priority: Blocker
>             Fix For: 2.0.0
>
>         Attachments: HBASE-17975.0.patch
>
>
> In the changes to protobuf handling in HBASE-15638, our TokenUtil class went from handling
remote exception via a method that would throw IOException to one that simply returned it.
In doing so, we ended up ignoring the results.
> This causes the obtainToken method to start returning null where it would have previously
thrown an IOException. It also causes obtainTokenForJob to still fail with an IOException,
but instead of being the underlying remote problem now it's a generic "I didn't get a user
token for some reason."
> found via testing Pig with errors.
> {code}
> Caused by: java.io.IOException: No token returned for user testuser@EXAMPLE.COM
>         at org.apache.hadoop.hbase.security.token.TokenUtil.obtainTokenForJob(TokenUtil.java:175)
>         at org.apache.pig.backend.hadoop.hbase.HBaseStorage.addHBaseDelegationToken(HBaseStorage.java:887)
> {code}



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