Check your regionserver's hbase-env.sh to see if you have accidentally
duplicated the jmx lines in there.
--Suraj

On Thu, Jun 23, 2011 at 8:45 AM, sulabh choudhury <[EMAIL PROTECTED]> wrote:
> While monitoring JMX attributes via JConsole I observed that there are some
> VM arguments being reported multiple times, see example below.
>
>   VM arguments:   -Xmx32768m -ea -XX:+UseConcMarkSweepGC
> -XX:+CMSIncrementalMode -ea -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode
> -ea -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode
> -Dcom.sun.management.jmxremote.ssl=false
> -Dcom.sun.management.jmxremote.authenticate=false
> -Dcom.sun.management.jmxremote.port=9097
> -Dcom.sun.management.jmxremote.ssl=false
> -Dcom.sun.management.jmxremote.authenticate=false
> -Dcom.sun.management.jmxremote.port=9097
> -Dcom.sun.management.jmxremote.ssl=false
> -Dcom.sun.management.jmxremote.authenticate=false
> -Dcom.sun.management.jmxremote.port=9097 -Dhbase.log.dir=/usr/lib/hbase/logs
> -Dhbase.log.file=hbase-hbase-regionserver-hb2.log
> -Dhbase.home.dir=/usr/lib/hbase -Dhbase.id.str=hbase
> -Dhbase.root.logger=INFO,DRFA
> -Djava.library.path=/usr/lib/hbase/lib/native/Linux-amd64-64
> This is for regionserver, but I see similar results for HMaster, NameNode,
> DN, etc.  Is it normal or its because something is not setup properly ?
>