Marco Tirado wrote: > Hello Users: > > I have a problem with an event handler of mine. The handler starts a java > daemon-like program which loops forever waiting for connections and performs > JMX queries against our java applications. > > The problem is that the handler times out when it is run by nagios. This is > what I see in the logs: > > [01-07-2009 18:45:36] SERVICE EVENT HANDLER: > bj-mon-01;JMX_Server_Running;(null);(null);(null);start_jmx_server > [01-07-2009 18:46:07] Warning: Service event handler command > '/usr/local/nagios/libexec/eventhandlers/start_jmx_server CRITICAL SOFT 1' > timed out after 30 seconds > > The event handler should start my JMXServer both in hard and soft states. I > have run the command from the console as the "nagios" user and it works, so > the problem has nothing to do with user rights for nagios. > > The problem is that the handler hangs when I run "nohup" followed by my > command for starting the server (see the red text below). > > My event handler looks like this: > > ########################### > # PROPERTIES > ########################### > > PORT="4444" > ECHO_CMD="/bin/echo" > JAVA_CMD="/usr/bin/java" > CLASSPATH="MyClasspath" > JVM_OPTIONS="MyOptions" > > ########################### > > # What state is the JMXServer in? > case "$1" in > > OK) > ;; > > WARNING) > ;; > > UNKNOWN) > ;; > > CRITICAL) > > case "$2" in > > SOFT) > > `$ECHO_CMD "TRYING restart" >> /tmp/test` > nohup $JAVA_CMD -cp $CLASSPATH $JVM_OPTIONS JMXServer $PORT > </dev/null 2>&1 >> $LOG_FILE& > `$ECHO_CMD "TRYING restart" >> /tmp/test` > > ;; > > HARD) > > `$ECHO_CMD "TRYING restart" >> /tmp/test` > nohup $JAVA_CMD -cp $CLASSPATH $JVM_OPTIONS JMXServer $PORT > </dev/null 2>&1 >> $LOG_FILE& > `$ECHO_CMD "FINISHED trying" >> /tmp/test` > > ;; > > esac > > ;; > > esac > > exit 0 > > > > Any help, hint or recommendation is deeply appreciated. >
You need to make the java daemon run in the background. That will make Nagios ignore it after it has moved from the foreground. -- Andreas Ericsson andreas.erics...@op5.se OP5 AB www.op5.se Tel: +46 8-230225 Fax: +46 8-230231 Considering the successes of the wars on alcohol, poverty, drugs and terror, I think we should give some serious thought to declaring war on peace. ------------------------------------------------------------------------------ _______________________________________________ Nagios-users mailing list Nagios-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nagios-users ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null
