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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2303) jsvc needs to be recompilable
Date Mon, 19 Sep 2011 23:23:09 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13108226#comment-13108226
] 

Aaron T. Myers commented on HDFS-2303:
--------------------------------------

I bumped into this issue earlier today while getting a secure cluster working on Ubuntu.

Looks like the {{jsvc}} binary that's downloaded as part of the trunk build was compiled against
libcap1, while Ubuntu Maverick and later ships libcap2. As a result, if you try to run {{jsvc}}
from an Ubuntu box, you'll get something like this error:

{noformat}
hadoop-hdfs-project/hadoop-hdfs/target/hadoop-hdfs-0.24.0-SNAPSHOT/libexec/jsvc: error while
loading shared libraries: libcap.so.1: cannot open shared object file: No such file or directory
{noformat}

Since I like to live on the edge, I tried just sym-linking {{/lib/libcap.so.1 -> /lib/libcap.so.2}},
and this appears to have worked for {{jsvc}} - I can now run a secure DN. But, we should obviously
get this resolved in a reasonable way.

> jsvc needs to be recompilable
> -----------------------------
>
>                 Key: HDFS-2303
>                 URL: https://issues.apache.org/jira/browse/HDFS-2303
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Roman Shaposhnik
>            Assignee: Roman Shaposhnik
>
> 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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