How to find the path of process in sunOS?

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04-12-2015

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How to find the path of process in sunOS?

Please support for this issue,

I have a below process running on my machine

Code:

  16108 /usr/jdk/instances/jdk1.6.0/bin/java -Xms3072m -Xmx3072m -Dcbcm.root=/java3_app
    20992 java -Djob.name=SOME_JOB_IS_RUNNING -Dcbcm.root=/java3_apps1/cbcm_js/j

For PID 16108 I can see that its pointing to this path

Code:

/usr/jdk/instances/jdk1.6.0/bin/java

But I want to know 20992 Is pointing to which path of java. As when i see java its confusing me because system has many java in that. PID 16108 is pointign to 1.6.0_75 and when i do which java i see 1.6.0_29

When i tried to do

Code:

ls -lrt /proc/$pid/exe

no result

i tried

Code:

readlink -f  ls -lrt /proc/$pid/exe

also .

Below are the file present in my pid directory

Code:

               -rw-------   1 cbcm_js  oinstall 1164443648 Apr 12 05:53 as
  -r--------   1 cbcm_js  oinstall     152 Apr 12 05:53 auxv
  dr-x------   2 cbcm_js  oinstall      32 Apr 12 05:53 contracts
  -r--------   1 cbcm_js  oinstall      32 Apr 12 05:53 cred
  --w-------   1 cbcm_js  oinstall       0 Apr 12 05:53 ctl
  lr-x------   1 cbcm_js  oinstall       0 Apr 12 05:53 cwd ->
  dr-x------   2 cbcm_js  oinstall    8208 Apr 12 05:53 fd
  -r--r--r--   1 cbcm_js  oinstall    8408 Apr 12 05:53 lpsinfo
  -r--------   1 cbcm_js  oinstall   67808 Apr 12 05:53 lstatus
  -r--r--r--   1 cbcm_js  oinstall   20072 Apr 12 05:53 lusage
  dr-xr-xr-x  77 cbcm_js  oinstall    2048 Apr 12 05:53 lwp
  -r--------   1 cbcm_js  oinstall   29760 Apr 12 11:32 map
  dr-x------   2 cbcm_js  oinstall    5152 Apr 12 05:53 object
  -r--------   1 cbcm_js  oinstall  173352 Apr 12 05:53 pagedata
  dr-x------   2 cbcm_js  oinstall   13360 Apr 12 05:53 path
  -r--------   1 cbcm_js  oinstall      72 Apr 12 05:53 priv
  -r--r--r--   1 cbcm_js  oinstall     336 Apr 12 05:53 psinfo
  -r--------   1 cbcm_js  oinstall   34080 Apr 12 05:53 rmap
  lr-x------   1 cbcm_js  oinstall       0 Apr 12 05:53 root ->
  -r--------   1 cbcm_js  oinstall    2304 Apr 12 05:53 sigact
  -r--------   1 cbcm_js  oinstall    1232 Apr 12 05:53 status
  -r--r--r--   1 cbcm_js  oinstall     256 Apr 12 05:53 usage
  -r--------   1 cbcm_js  oinstall       0 Apr 12 05:53 watch
  -r--------   1 cbcm_js  oinstall   53960 Apr 12 05:53 xmap

mirwasim

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04-12-2015

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Code:

ls -l /proc/$pid/path

will show you all of the files that the process has open file descriptors for.

Code:

pargs -e $pid

Will show you environment variables like CLASSPATH and PATH

You probably need both to really understand what is going on. The order of entries in CLASSPATH can affect the process.

jim mcnamara

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04-12-2015

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I tried

Code:

ls -l /proc/$pid/path

but there are all jar file inside sitting inside the lib.

i will try the other coomand, is there any other way to find out how to find the path of that java pid is pointing to ?

Last edited by jim mcnamara; 04-12-2015 at 10:55 PM..

mirwasim

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Yes - the pargs command gives you the CLASSPATH - along with other things.

The order of the CLASSPATH entries is important. You need to note this concept. OR it will drive you crazy later on. You choose.

jim mcnamara

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