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Posted to common-issues@hadoop.apache.org by "Evgeny Rusak (JIRA)" <ji...@apache.org> on 2012/05/30 11:32:22 UTC

[jira] [Created] (HADOOP-8448) Java options being duplicated several times

Evgeny Rusak created HADOOP-8448:
------------------------------------

             Summary: Java options being duplicated several times
                 Key: HADOOP-8448
                 URL: https://issues.apache.org/jira/browse/HADOOP-8448
             Project: Hadoop Common
          Issue Type: Bug
          Components: conf
    Affects Versions: 1.0.2
         Environment: VirtualBox 4.1.14 r77440

Linux slack 2.6.37.6 #3 SMP Sat Apr 9 22:49:32 CDT 2011 x86_64 Intel(R) Core(TM)2 Quad CPU    Q8300  @ 2.50GHz GenuineIntel GNU/Linux	

java version "1.7.0_04"
Java(TM) SE Runtime Environment (build 1.7.0_04-b20)
Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)

Hadoop 1.0.2
Subversion https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.0.2 -r 1304954 Compiled by hortonfo on Sat Mar 24 23:58:21 UTC 2012
>From source with checksum c198b04303cfa626a38e13154d2765a9


Hadoop is running under Pseudo-Distributed mode according to the http://hadoop.apache.org/common/docs/r1.0.3/single_node_setup.html#PseudoDistributed
            Reporter: Evgeny Rusak


After adding the additional java option to the HADOOP_JOBTRACKER_OPTS like the following

     export HADOOP_JOBTRACKER_OPTS="$HADOOP_JOBTRACKER_OPTS -Dxxx=yyy"

and starting the hadoop instance with start-all.sh, the option added is being attached several times according to the command

     ps ax | grep jobtracker 

which prints 
.....
29824 ?        Sl    22:29 home/hduser/apps/jdk/jdk1.7.0_04/bin/java                                         -Dproc_jobtracker -XX:MaxPermSize=256m -Xmx600m -Dxxx=yyy -Dxxx=yyy
-Dxxx=yyy -Dxxx=yyy -Dxxx=yyy 
-Dhadoop.log.dir=/home/hduser/apps/hadoop/hadoop-1.0.2/libexec/../logs
......

 The aforementioned unexpected behaviour causes the severe issue while specifying "-agentpath:" option, because several duplicating agents being considered as different agents are trying to be instantiated several times at once.

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