[jira] [Commented] (HIVE-5188) MR job launched through WebHCat fails to find additional jars in classpath

["Eugene Koifman (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-5188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13795478#comment-13795478 ] 

Eugene Koifman commented on HIVE-5188:
--------------------------------------

Looks like this is similar to HIVE-5547 but here we need to ship HCat jars

> MR job launched through WebHCat fails to find additional jars in classpath
> --------------------------------------------------------------------------
>
>                 Key: HIVE-5188
>                 URL: https://issues.apache.org/jira/browse/HIVE-5188
>             Project: Hive
>          Issue Type: Bug
>          Components: WebHCat
>    Affects Versions: 0.12.0
>            Reporter: Deepesh Khandelwal
>
> When running MR job using jar (compiled with external dependencies eg. HCatInputFormat, HCatOutputFormat) through WebHCat the job fails complaining about missing HCat classes. I did pass those through the libjars argument but it seems that we run the hadoop jar locally on the tasktracker node and so it doesn't have the additional classes in the HADOOP_CLASSPATH. To get around the problem I had to explicitly add the additional jar dependencies in the hadoop-env.sh.



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