[jira] [Created] (HADOOP-9455) HADOOP_CLIENT_OPTS is appended twice, causing JVM failures

["Sangjin Lee (JIRA)" <ji...@apache.org>]

Sangjin Lee created HADOOP-9455:
-----------------------------------

             Summary: 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: 2.0.3-alpha
            Reporter: Sangjin Lee
            Priority: Minor


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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