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Date: Tue, 23 Apr 2013 19:23:16 +0000 (UTC)
From: "Andrew Purtell (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12644153.1366735479274.210148.1366744996028@arcas>
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Subject: [jira] [Commented] (HBASE-8400) Load coprocessor jar from various
 protocols (HTTP, HTTPS, FTP, etc.)
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    [ https://issues.apache.org/jira/browse/HBASE-8400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13639445#comment-13639445 ] 

Andrew Purtell commented on HBASE-8400:
---------------------------------------

I believe what you are asking for is an alternative classloader that fetches JARs from some other type of storage. I think we can make which classloader to use for coprocessors configurable. We are consolidating classloaders in HBASE-8327. You should start there.
                
> Load coprocessor jar from various protocols (HTTP, HTTPS, FTP, etc.)
> --------------------------------------------------------------------
>
>                 Key: HBASE-8400
>                 URL: https://issues.apache.org/jira/browse/HBASE-8400
>             Project: HBase
>          Issue Type: Improvement
>          Components: Coprocessors
>    Affects Versions: 0.94.3, 0.98.0
>            Reporter: Julian Zhou
>            Assignee: Julian Zhou
>            Priority: Minor
>             Fix For: 0.94.3, 0.98.0
>
>
> In some application testing and production environment, after developed coprocessors and generated jars, currently we need to transfer them to hdfs first, then specify the URI in table descriptor to point to HDFS compatible addresses of jars. Common used HTTP/HTTPS/FTP or other protocols were not supported yet? To save time and make the life easier without transferring from http/ftp or other servers, just modified the CoprocessorHost to use http/ftp url connection (http and ftp servers are the most cases need to be support) to stream jars to coprocessor jar spaces automatically.

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