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Editorial Team
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Asked: 2026-06-18T06:58:50+00:00

I must launch 2 instances of tomcat on a server and with the same

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I must launch 2 instances of tomcat on a server and with the same user.
I’m trying to set differents CATALINA_BASE when launching tomcat but this environment variable is not used.

That is the commands I use: 

base0=/home/$INT/inst0
base1=/home/$INT/inst1
#...

su $INT -c "CATALINA_BASE=$base0;$cathome/bin/startup.sh"
su $INT -c "CATALINA_BASE=$base1;$cathome/bin/startup.sh"

and that is what I see in the console:

Using CATALINA_BASE:   /home/mci2/tomcat
Using CATALINA_HOME:   /home/mci2/tomcat
Using CATALINA_TMPDIR: /home/mci2/tomcat/temp

The catalina_home is ok but not the catalina_base.

Dit I miss something?

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1 Answer

  1. Editorial Team

    You should use single quotes:

    su -c "var=Hello; echo $var"

    vs

    su -c 'var=Hello; echo $var'

    The shell interpretes the variables inside the double quotes, and having that you have not set the CATALINA_BASE for the env from which you execute su it replaces it with and empty string before actually executing the su.

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