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From "Anubhav Dhoot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3331) NodeManager should use directory other than tmp for extracting and loading leveldbjni
Date Tue, 10 Mar 2015 19:41:38 GMT

    [ https://issues.apache.org/jira/browse/YARN-3331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14355557#comment-14355557
] 

Anubhav Dhoot commented on YARN-3331:
-------------------------------------

As per http://grepcode.com/file/repo1.maven.org/maven2/org.fusesource.leveldbjni/leveldbjni-all/1.8/org/fusesource/hawtjni/runtime/Library.java
if we define the property library.${name}.path we can avoid it using the temporary directory.

{noformat}
The file extraction is attempted until it succeeds in the following directories.
1. The directory pointed to by the "library.${name}.path" System property (if set)
2. a temporary directory (uses the "java.io.tmpdir" System property)
{noformat}

So we can fix this by setting -Dlibrary.leveldbjni.path=$(pwd) in the nodemanager options.

> NodeManager should use directory other than tmp for extracting and loading leveldbjni
> -------------------------------------------------------------------------------------
>
>                 Key: YARN-3331
>                 URL: https://issues.apache.org/jira/browse/YARN-3331
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: Anubhav Dhoot
>            Assignee: Anubhav Dhoot
>
> /tmp can be  required to be noexec in many environments. This causes a problem when 
nodemanager tries to load the leveldbjni library which can get unpacked and executed from
/tmp.



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