Pretty cool...but wouldn't a sleep 15 work just as well? Though you wouldn't be sure tomcat was really down, I guess.
#!/bin/sh shutdown.sh sleep 15 startup.sh John Turner [EMAIL PROTECTED] -----Original Message----- From: Tim Funk [mailto:[EMAIL PROTECTED]] Sent: Wednesday, July 17, 2002 9:29 AM To: Tomcat Users List Cc: Aleksi Kallio Subject: Re: How to do stop-start fast? Something like this may work (just a quick hack so there may be typos) --start cut here for script #!/bin/sh ################################### # restart.sh # restarts tomcat # usage: restart.sh ip port # ip - The ip address (or *) # port - Which tomcat listens on shutdown # # eg: restart.sh '*' 8005 # restart.sh 127.0.0.1 8005 # restart.sh 192.168.0.100 8005 # restart.sh 207.46.230.218 8005 ################################### ####################################### # Function to check it tomcat is running # I run wacky UNIX flavor so you netstat # may differ from mine # side effect: sets variable IS_RUNNING # to signify tomcat is listening on port ####################################### TC_check() { Q="$ADDRESS.$PORT" # Grep wants tcp connection that are Listening on the port/address IS_RUNNING=`netstat -an|egrep '^tcp'|grep LISTEN|grep "$Q"|wc -l` } ################################### # First - is there a TOMCAT_HOME # so I can call shutdown? if test "$TOMCAT_HOME" = "" ; then echo "TOMCAT_HOME not defined!" exit 2 fi ################################### # Now check the incoming args ADDRESS=$1 PORT=$2 if test "$ADDRESS" = "" ; then echo "In valid arg - no address given!" exit 2 fi if test "$PORT" = "" ; then echo "In valid arg - no port given!" exit 2 fi ################################### # Now for the fun TC_check if [ IS_RUNNING -eq 1 ] ; then echo "Its running - let's shutdown" $TOMCAT_HOME/bin/shutdown.sh TC_check fi while [ IS_RUNNING -eq 1 ] ; do echo "Still running" sleep 1 TC_check done echo "Now startup ..." $TOMCAT_HOME/bin/startup.sh ###################################################################### # End of script ###################################################################### Aleksi Kallio wrote: > Thanks for your fast reply! The netstat alternative seems reasonable. > I'm quite new to Unix (server is running Red Hat Linux, shell is csh) > and have problems implementing the script. > > Getting the netstat listing and grepping it is no problem, but how I can > loop in a shell script while "netstat -l | grep '8442'" returns > something ie. socket is alive (8442 is the port number)? > >> You have a few alternatives: >> 1) Kill the java process and then you can run startup.sh immediatetly >> 2) Write a wrapper script which calls shutdown.sh, then does one of >> the following to verify tomcat is shutdown before calling startup.sh >> a) The process is non-existent >> b) The port is no taken (use netstat) >> c) Parse catalina.out for the phrase saying tomcat was shutdown >> >> -Tim >> >> >> Aleksi Kallio wrote: >> >>> I have a script that stops Tomcat (shutdown.sh), does stuff and then >>> restarts it (startup.sh). Doing stuff doesn't take long enough and >>> Tomcat refuses to restart because the port is still reserved. >>> >>> Removing the restart from script and waiting a few secs after running >>> the script, then restarting manually, works. It is just a bit >>> frustrating. Also if a restart too early, Tomcat fails to start and >>> produces a process that has to be killed by hand and it's also >>> frustrating. >>> >>> How to check if Tomcat is stopped properly? >>> >>> >> >> >> >> >> -- >> To unsubscribe, e-mail: >> <mailto:[EMAIL PROTECTED]> >> For additional commands, e-mail: >> <mailto:[EMAIL PROTECTED]> > > > > > > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
