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https://issues.apache.org/jira/browse/HADOOP-9455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13646606#comment-13646606
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Suresh Srinivas commented on HADOOP-9455:
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bq. Attaching a separate patch for branch-2, because branch-2 doesn't have the
Windows cmd scripts.
I would rather see this done in two jiras - one for windows that is only in
trunk and second one for shell scripts that is applicable to both branch-2 and
trunk. That way when a jira change is merged, it does not have different
content for trunk and branch-2.
> HADOOP_CLIENT_OPTS is appended twice, causing JVM failures
> ----------------------------------------------------------
>
> Key: HADOOP-9455
> URL: https://issues.apache.org/jira/browse/HADOOP-9455
> Project: Hadoop Common
> Issue Type: Bug
> Components: bin
> Affects Versions: 3.0.0, 2.0.3-alpha
> Reporter: Sangjin Lee
> Assignee: Chris Nauroth
> Priority: Minor
> Attachments: HADOOP-9455.1.patch, HADOOP-9455.2.patch,
> HADOOP-9455-branch-2.patch
>
>
> If you set HADOOP_CLIENT_OPTS and run hadoop, you'll find that the
> HADOOP_CLIENT_OPTS value gets appended twice, and leads to JVM start failures
> for cases like adding debug flags.
> For example,
> {noformat}
> HADOOP_CLIENT_OPTS='-agentlib:jdwp=transport=dt_socket,address=localhost:9009,server=y,suspend=y'
> hadoop jar anything
> ERROR: Cannot load this JVM TI agent twice, check your java command line for
> duplicate jdwp options.
> Error occurred during initialization of VM
> agent library failed to init: jdwp
> {noformat}
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