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Posted to common-issues@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2011/01/24 20:38:47 UTC
[jira] Assigned: (HADOOP-6923) Native Libraries do not load if a
different platform signature is returned from
org.apache.hadoop.util.PlatformName
[ https://issues.apache.org/jira/browse/HADOOP-6923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Todd Lipcon reassigned HADOOP-6923:
-----------------------------------
Assignee: Stephen Watt
> Native Libraries do not load if a different platform signature is returned from org.apache.hadoop.util.PlatformName
> -------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-6923
> URL: https://issues.apache.org/jira/browse/HADOOP-6923
> Project: Hadoop Common
> Issue Type: Bug
> Components: native
> Affects Versions: 0.20.0, 0.20.1, 0.20.2
> Environment: SLES 10, IBM Java 6, Apache Hadoop 0.20.x
> Reporter: Stephen Watt
> Assignee: Stephen Watt
> Fix For: 0.20.4
>
> Attachments: HADOOP-6923.patch
>
>
> The bin/hadoop script has an environment variable called JAVA_PLATFORM which is set to to the results returned by org.apache.hadoop.util.PlatformName . These results are sometimes unique to the JRE being used. Although the value returned for 64 Bit Sun/Oracle Java and 64 Bit IBM Java is the same, it is different for the corresponding 32 Bit JREs.
> The issue is that the value returned is used in creating the path to the native libraries on disk, i.e ${HADOOP_COMMON_HOME}/lib/native/${JAVA_PLATFORM}
> Since the path on disk is fixed with the Sun JRE value /lib/native/Linux-i386-32 it therefore fails when it attempts to load the native libraries with the value returned with 32 Bit IBM Java, /lib/native/Linux-x86-32
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