From a shell script I am executing this:
exec "su - $PRODUCT_USER -c 'CATALINA_PID=\"$CATALINA_PID\" \"$CATALINA_RUN_SCRIPT\" start'"
and I get as an error in the console
./runService.sh[10]: su - testUser -c 'CATALINA_PID="/home/tomcat.pid" "/home/subScript.sh" start': not found.