spr...@gmx.eu wrote:
Hi,
I want to monitor my tomcat 7 via JMX remotely. The problem is, as soon as I
add -Dcom.sun.management.jmxremote.port=9001 to my setenv.sh tomcat does not
start anymore. No error message, no log, nothing...
The system is a ubuntu which uses start-stop-demon to execute catalina.sh.
What could be the problem?
there must be a log message somewhere.
The problem is probably that under Ubuntu, the startup script redirects the STDERR log
somewhere, where you are not looking (via SYSLOG to /var/log/daemon.log e.g.).
This is a switch for the Java JVM, and it probably bumps out before Tomcat is even started
inside the JVM.
As to the basic error cause, do a "netstat -an" and look at what else may be using port
9001 already.
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