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From "Tim Sell (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-3561) OPTS arguments are duplicated
Date Thu, 24 Feb 2011 14:46:38 GMT
OPTS arguments are duplicated
-----------------------------

                 Key: HBASE-3561
                 URL: https://issues.apache.org/jira/browse/HBASE-3561
             Project: HBase
          Issue Type: Bug
          Components: scripts
            Reporter: Tim Sell
            Priority: Trivial


Some of the command line arguments constructed in the bash scripts are getting duplicated

Here is what my HMaster process looks like with a ps aux | grep java.

{code}
/Library/Java/Home/bin/java 
-Xmx1000m 
-ea -XX:+HeapDumpOnOutOfMemoryError -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode 
-ea -XX:+HeapDumpOnOutOfMemoryError -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode 
-ea -XX:+HeapDumpOnOutOfMemoryError -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode 
-Dcom.sun.management.jmxremote.ssl=false 
-Dcom.sun.management.jmxremote.authenticate=false 
-Dcom.sun.management.jmxremote.port=10101 
-Dcom.sun.management.jmxremote.ssl=false 
-Dcom.sun.management.jmxremote.authenticate=false 
-Dcom.sun.management.jmxremote.port=10101 
-Dcom.sun.management.jmxremote.ssl=false 
-Dcom.sun.management.jmxremote.authenticate=false 
-Dcom.sun.management.jmxremote.port=10101 
-Dhbase.log.dir=/Users/tims/workspace/hbase-trunk/bin/../logs 
-Dhbase.log.file=hbase-tims-master-grassmann.local.log 
-Dhbase.home.dir=/Users/tims/workspace/hbase-trunk/bin/.. 
-Dhbase.id.str=tims -Dhbase.root.logger=INFO,DRFA 
-classpath <blablablablabla>
org.apache.hadoop.hbase.master.HMaster start
{code}

This wouldn't really be a problem except if you try to add a java agent in the hbase-env.sh
like so:
{code}
export HBASE_MASTER_OPTS="$HBASE_MASTER_OPTS $HBASE_JMX_BASE -Dcom.sun.management.jmxremote.port=10101
-javaagent:HelloWorldAgent.jar"
{code}
It adds the option 3 times and it starts three java agents. My example agent print hello world
once per second, but I end up with three hello world lines per second.

I attached my HelloWorldAgent.jar to demonstrate.




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