[jira] [Commented] (OOZIE-1624) Exclusion pattern for sharelib JARs

["Andras Piros (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OOZIE-1624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16445954#comment-16445954 ] 

Andras Piros commented on OOZIE-1624:
-------------------------------------

Thanks [~matijhs]! Now I see the value of this JIRA in its entirety.

Commented on the review request a few items.

[~gezapeti] [~kmarton] what is your opinion about:
* whether we should look at the whole sharelib path (Rohini's take) instead of parent directory name and / or file name only (Puru's take)
* whether we should have a preconfigured blacklist which JAR patterns we should never allow to exclude, e.g. {{oozie*.jar}}

Imagine following sharelib contents:
* {{pig/lib/jackson*.jar}}
* {{hbase/lib/jackson*.jar}}
* {{oozie/jackson*.jar}}
* user provided {{jackson*.jar}}

As a user I want following distinct use cases:
* exclude {{pig/lib/jackson*.jar}} only
* exclude {{pig/lib/jackson*.jar}} and {{hbase/lib/jackson*.jar}}
* exclude {{pig/lib/jackson*.jar}}, {{hbase/lib/jackson*.jar}}, and {{oozie/jackson*.jar}}
* exclude everything which is {{jackson*.jar}}, independent of location

> Exclusion pattern for sharelib JARs
> -----------------------------------
>
>                 Key: OOZIE-1624
>                 URL: https://issues.apache.org/jira/browse/OOZIE-1624
>             Project: Oozie
>          Issue Type: Sub-task
>    Affects Versions: 4.3.1
>            Reporter: Purshotam Shah
>            Assignee: Purshotam Shah
>            Priority: Major
>         Attachments: OOZIE-1624-V2.patch, OOZIE-1624-V3.patch, OOZIE-1624-V4.patch, OOZIE-1624-v1.patch
>
>
> Sharelib may bring some jar which might conflict with user jars.
> Ex. Sharelib hive has json-2.xxxx.jar, where as some of the user use-case need higher version of json jar.
> He should be able to exclude sharelib json jar and bring his own version.
> <property>
>         <name>oozie.action.sharelib.for.hive.exclusion</name>
>         <value>json-\*.jar|abc-*.jar</value>
>  </property>



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