Hi Kevin
Can I suggest 2 options:
1) Write your own monitor (Korn shell script or Perl script) to monitor
the existence of your Tomcat instance: something like
#!/bin/ksh
... insert commands to start Tomcat ...
# poll Tomcat instance, and sleep if its alive
while [`ps -ef | grep $TOMCAT | wc -l` -gt 0 ]
do
sleep 30 # set wait period in seconds to your taste
done
# otherwise, send an email
mailx -s "Tomcat has died" youremail@(protected)
Tomcat just died at `date`
`tail -100 $TOMCATLOG`
EOF
Where $TOMCAT represents something unique about your Tomcat instance
{command line etc), and $TOMCATLOG is the name of its log file, so the
email can tell you what/why it went belly up.
2) Download a freeware product from Quest called Big Brother, which can
monitor log files for keywords, and/or process instance existence, with
alerts being sent to email, cell phones, SMS etc as required.
HTH
Austin
-----Original Message-----
From: A mailing list for discussion about Sun Microsystem's Java Servlet
API Technology. [mailto:SERVLET-INTEREST@(protected)
Taylor, Kevin
Sent: 19 April 2004 14:51
To: SERVLET-INTEREST@(protected)
Subject: Tomcat monitoring
Hi,
Does anyone know of any monitoring software for detecting when a tomcat
instance becomes unavailable and notifying support persons via
email/page?
Something open source, preferably.
TIA.
> --Kevin Taylor
>
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