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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1081) JAVA_PLATFORM with spaces (i.e. Mac OS X-ppc-32) breaks bin/hadoop script
Date Mon, 02 Apr 2007 22:37:32 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12486160
] 

Hadoop QA commented on HADOOP-1081:
-----------------------------------

+1, because http://issues.apache.org/jira/secure/attachment/12354792/fix-hadoop-on-darwin.patch
applied and successfully tested against trunk revision http://svn.apache.org/repos/asf/lucene/hadoop/trunk/524929.
Results are at http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch

> JAVA_PLATFORM with spaces (i.e. Mac OS X-ppc-32) breaks bin/hadoop script
> -------------------------------------------------------------------------
>
>                 Key: HADOOP-1081
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1081
>             Project: Hadoop
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 0.12.0, 0.12.1, 0.13.0
>            Reporter: Andrzej Bialecki 
>         Attachments: fix-hadoop-on-darwin.patch
>
>
> Thus says Brian Whitman in NUTCH-432:
> "In some later nightly in the past few weeks (not sure when) the bin/nutch script stopped
working on my Macs with
> Exception in thread "main" java.lang.NoClassDefFoundError: OS
> On any command. I tracked it down to the JAVA_PLATFORM env variable that is used to try
to find a native hadoop library. The line
> JAVA_PLATFORM=`CLASSPATH=${CLASSPATH} ${JAVA} org.apache.hadoop.util.PlatformName`
> in bin/nutch returns "Mac OS X-ppc-32", which then appears as
> -Djava.library.path=/Users/bwhitman/Desktop/nn/lib/native/Mac OS X-ppc-32
> in the java command line to start a nutch tool.
> Not sure the best way to fix this, but I manually put
> JAVA_PLATFORM='MacOSX/PPC'
> and the error went away. "
> The same problem occurs in bin/hadoop.
> I propose the following fix:
>   JAVA_PLATFORM=`CLASSPATH=${CLASSPATH} ${JAVA} org.apache.hadoop.util.PlatformName |
sed -e 's/ /_/g'`
> The alternative would be to fix this in PlatformName, but then we may want to get the
real platform name in some other places. We could also add a cmd-line switch to PlatformName.

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