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https://issues.apache.org/jira/browse/HADOOP-9450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13631000#comment-13631000
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Harsh J commented on HADOOP-9450:
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bq. I can volunteer to test the patch on Windows. I'll comment again as soon as
I get a chance to test.
Thanks Chris!
bq. There is a slight change in behavior in that HADOOP_CONF_DIR is no longer
guaranteed to be first
Yes but this is iff the user has intentionally asked for his values to be
first, which I think should not come as a surprise to them. If you feel
strongly though, we could keep the older way around (but Windows lacked it too
- we'd have to mutate that).
> HADOOP_USER_CLASSPATH_FIRST is not honored; CLASSPATH is PREpended instead of
> APpended
> --------------------------------------------------------------------------------------
>
> Key: HADOOP-9450
> URL: https://issues.apache.org/jira/browse/HADOOP-9450
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Mitch Wyle
> Attachments: HADOOP-9450.patch
>
>
> On line 133 of the hadoop shell wrapper, CLASSPATH is set as:
> CLASSPATH=${CLASSPATH}:${HADOOP_CLASSPATH}
> Notice that the built-up CLASSPATH, along with all the libs and unwanted JARS
> are pre-pended BEFORE the user's HADOOP_CLASSPATH. Therefore there is no way
> to put your own JARs in front of those that the hadoop wrapper script sets.
> We propose a patch that reverses this order. Failing that, we would like to
> add a command line option to override this behavior and enable a user's JARs
> to be found before the wrong ones in the Hadoop library paths.
> We always welcome your opinions.
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