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From Darryl Lewis <darryl.le...@unsw.edu.au>
Subject Re: How to detect down of tomcat.
Date Sun, 20 Mar 2011 03:17:57 GMT
You could write something similar using windows powershell. Do you have that installed on your
server?


On 20/03/11 2:14 PM, "Hide" <hide39ne@ob4.aitai.ne.jp> wrote:

Hi, Darryl.

Thanks for your advice.

Your script looks like very useful.
But in my case, tomcat is running on Microsoft Windows.
I am looking for a method to detect the down of tomcat by log file.


----- Original Message -----
From: "Darryl Lewis" <darryl.lewis@unsw.edu.au>
To: "Tomcat Users List" <users@tomcat.apache.org>
Sent: Sunday, March 20, 2011 12:00 PM
Subject: Re: How to detect down of tomcat.


Put this in a cronjob to fire every minute

#!/bin/sh
if [ `ps -ef|grep tomcat|grep -v grep|wc -l` -lt 1 ]
  then
  subject=`tomcat down; date`
  address="me@domain.com"
  ps -ef>att.txt
  mail -s "$subject" "$addr" -- -fno-reply@yourdomain< att.txt
fi


Fill in the address with your email address, and you can also pipe an attachment

For myself, I have scripts that detects when the service is down, sends me an email, then
tries to restart it, then will email
if it has managed to recover it. If it can't restart it after 5 minutes, then I get an SMS.
In the morning, I can quickly see if it failed overnight, and my beauty rest only gets disturbed
in the really bad cases.

On 20/03/11 1:38 PM, "Hide" <hide39ne@ob4.aitai.ne.jp> wrote:

How to detect down of tomcat.

Helo.

My environment is tomcat7, java1.6, windows.

When process of tomcat terminated abnormally,
is there any method or setting that output the abnormal termination to a log file?

If there is it, please let me know.

tomcat is the premise that is not service of windows, but even service is good.

The motive that wants to know such a thing is because I want to detect down of tomcat in 
automatically without human operation.
I set a file and keyword in a log monitor tool, and it  detects down of tomcat automatically.

Thanks for your advice.


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