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https://issues.apache.org/jira/browse/HBASE-10174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13860984#comment-13860984
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Lars Hofhansl commented on HBASE-10174:
---------------------------------------

When we change the dependencies of the code, does this have an impact on 
existing M/R code? (We need org.apache.commons.io.output.NullOutputStream now, 
which is in a different jar)
Unless we tested through all the scenarios I think we should not do this in 
0.94.

[~deephacks], so in your case the container has already loaded Guava 15? 

> Back port HBASE-9667 'NullOutputStream removed from Guava 15' to 0.94
> ---------------------------------------------------------------------
>
>                 Key: HBASE-10174
>                 URL: https://issues.apache.org/jira/browse/HBASE-10174
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>             Fix For: 0.94.16
>
>         Attachments: 10174-v2.txt, 10174-v3.txt, 9667-0.94.patch
>
>
> On user mailing list under the thread 'Guava 15', Kristoffer Sjögren reported 
> NoClassDefFoundError when he used Guava 15.
> The issue has been fixed in 0.96 + by HBASE-9667
> This JIRA ports the fix to 0.94 branch



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