[jira] [Commented] (HBASE-9941) The context ClassLoader isn't set while calling into a coprocessor

["Benoit Sigoure (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-9941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13843974#comment-13843974 ] 

Benoit Sigoure commented on HBASE-9941:
---------------------------------------

In any place.  For instance in {{prePut}} I could do {{new Foo()}} where the class {{Foo}} has never been used before, and thus only upon entering {{prePut}} would this class get loaded.

> The context ClassLoader isn't set while calling into a coprocessor
> ------------------------------------------------------------------
>
>                 Key: HBASE-9941
>                 URL: https://issues.apache.org/jira/browse/HBASE-9941
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Coprocessors
>    Affects Versions: 0.96.0
>            Reporter: Benoit Sigoure
>            Assignee: Andrew Purtell
>             Fix For: 0.98.0
>
>
> Whenever one of the methods of a coprocessor is invoked, the context {{ClassLoader}} isn't set to be the {{CoprocessorClassLoader}}.  It's only set properly when calling the coprocessor's {{start}} method.  This means that if the coprocessor code attempts to load classes using the context {{ClassLoader}}, it will fail to find the classes it's looking for.



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