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Date: Thu, 8 Mar 2012 17:34:00 +0000 (UTC)
From: "Eli Collins (Commented) (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HDFS-2303) jsvc needs to be recompilable
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    [ https://issues.apache.org/jira/browse/HDFS-2303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13225327#comment-13225327 ] 

Eli Collins commented on HDFS-2303:
-----------------------------------

Mingjie,

- Have you verified you can set JSVC_HOME in hadoop-env.sh? Looks like you're setting JSVC_HOME before hadoop-env.sh is sourced (by hadoop-config.sh) so this wouldn't work. Please test both with a jsvc installed in /usr and via setting JSVC_HOME explicitly in hadoop-env.sh if you haven't already
- We shouldn't assume JSVC_HOME has a bin directory as the jsvc download is just a directory with jsvc. I'd make the error message something like this: "JSVC_HOME is not set so jsvc can not be found. Jsvc is required to run secure datanodes. Please download jsvc for your platform from http://archive.apache.org/dist/commons/daemon/binaries and set JSVC_HOME to the directory containing the jsvc binary"
- Let's add a commented out line in hadoop-env.sh like the following:
{code}
# The jsvc implementation to use
#export JSVC_HOME=${JSVC_HOME}
{code}

Otherwise looks great.

Thanks,
Eli
                
> jsvc needs to be recompilable
> -----------------------------
>
>                 Key: HDFS-2303
>                 URL: https://issues.apache.org/jira/browse/HDFS-2303
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: build, scripts
>    Affects Versions: 0.23.0, 0.24.0
>            Reporter: Roman Shaposhnik
>            Assignee: Roman Shaposhnik
>             Fix For: 0.24.0, 0.23.2
>
>         Attachments: HDFS-2303-2.patch.txt, HDFS-2303-3-trunk.patch, HDFS-2303-4-trunk.patch, HDFS-2303.patch.txt
>
>
> It would be nice to recompile jsvc as part of the native profile. This has a number of benefits including an ability to re-generate all binary artifacts, etc. Most of all, however, it will provide a way to generate jsvc on Linux distributions that don't have matching libc

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