FAQ
JAVA_PLATFORM in hadoop shell script lacks HADOOP_OPTS
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Key: HADOOP-6491
URL: https://issues.apache.org/jira/browse/HADOOP-6491
Project: Hadoop Common
Issue Type: Bug
Affects Versions: 0.20.1, 0.20.0
Reporter: Allen Wittenauer


It appears to be expected behavior to be able to set the bitness in HADOOP_OPTS as well as other java executable options. However these options are not passed onto the JAVA_PLATFORM test used to configure the java.library.path at run time:

JAVA_PLATFORM=`CLASSPATH=${CLASSPATH} ${JAVA} -Xmx32m org.apache.hadoop.util.PlatformName | sed -e "s/ /_/g"`

If a user passes "-d64" to force 64-bit (at least on Solaris), this option is not sent to this code. Instead of returning "SunOS-amd64-64" as expected for 64-bit, it still returns "SunOS-x86-32" for 32-bit. Thus causing native compression to fail.

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postedJan 14, '10 at 12:31a
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