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https://issues.apache.org/jira/browse/HADOOP-11013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14113019#comment-14113019
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Allen Wittenauer commented on HADOOP-11013:
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I'm in the midst of rewriting slsrun.sh and it's very clear that this needs to
happen first. It's only going to get worse with KMS and HTTPFS.
> CLASSPATH handling should be consolidated, debuggable
> -----------------------------------------------------
>
> Key: HADOOP-11013
> URL: https://issues.apache.org/jira/browse/HADOOP-11013
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Allen Wittenauer
>
> As part of HADOOP-9902, java execution across many different shell bits were
> consolidated down to (effectively) two routines. Prior to calling those two
> routines, the CLASSPATH is exported. This export should really be getting
> handled in the exec function and not in the individual shell bits.
> Additionally, it would be good if there was:
> {code}
> echo ${CLASSPATH} > /dev/null
> {code}
> so that bash -x would show the content of the classpath or even a '--debug
> classpath' option that would echo the classpath to the screen prior to java
> exec to help with debugging.
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