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From "Jerry He (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13706) CoprocessorClassLoader should not exempt Hive classes
Date Wed, 05 Aug 2015 23:14:05 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14659159#comment-14659159
] 

Jerry He commented on HBASE-13706:
----------------------------------

Attached a master-v2 patch.
Are you ok with this one for master branch, [~apurtell]?

What about for the other branches?  Explicit listing of the hadoop packages?
{noformat}
org.apache.hadoop.security
org.apache.hadoop.HadoopIllegalArgumentException
org.apache.hadoop.conf
org.apache.hadoop.fs
org.apache.hadoop.http
org.apache.hadoop.io
org.apache.hadoop.ipc
org.apache.hadoop.metrics
org.apache.hadoop.metrics2
org.apache.hadoop.net
org.apache.hadoop.util
org.apache.hadoop.hdfs
{noformat}

> CoprocessorClassLoader should not exempt Hive classes
> -----------------------------------------------------
>
>                 Key: HBASE-13706
>                 URL: https://issues.apache.org/jira/browse/HBASE-13706
>             Project: HBase
>          Issue Type: Bug
>          Components: Coprocessors
>    Affects Versions: 2.0.0, 1.0.1, 1.1.0, 0.98.12
>            Reporter: Jerry He
>            Assignee: Jerry He
>            Priority: Minor
>             Fix For: 2.0.0, 0.98.14, 1.0.2, 1.1.3
>
>         Attachments: HBASE-13706-master-v2.patch, HBASE-13706.patch
>
>
> CoprocessorClassLoader is used to load classes from the coprocessor jar.
> Certain classes are exempt from being loaded by this ClassLoader, which means they will
be ignored in the coprocessor jar, but loaded from parent classpath instead.
> One problem is that we categorically exempt "org.apache.hadoop".
> But it happens that Hive packages start with "org.apache.hadoop".
> There is no reason to exclude hive classes from theCoprocessorClassLoader.
> HBase does not even include Hive jars.



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