Need some help regarding with tomcat server

[David Rudder]

By the way, NagiosExchange has a plugin for monitoring JMX.
http://www.nagiosexchange.org/Misc.54.0.html?&tx_netnagext_pi1[p_view]=808&tx_netnagext_pi1[page]=10%3A10

It doesn't address, specifically, what you asked for.  But, it may be 
even better.  For instance, your Java app will throw out of memory 
errors if it reaches the maximum allocated to the VM.  This is usually 
way below the amount available to the OS.  So, you'll want to measure 
memory usage via JMX and not via the standard OS calls. 

-Dave

David Rudder wrote:
> c) is a difficult one, but I expect it's been handled before.
> Tomcat stores its logs in the httpd common log format.  So, any nagios 
> plugins that examine the Apache logs should be able to handle Tomcat's 
> as well.  I see Ethan wrote a check_log that will check for a pattern.  
> Maybe you could build on that.  If you're just looking to see if a 
> request took a long time, you can add %D to the access log pattern 
> (specified in conf/server.xml).  That shows the time it took, in millis, 
> to fulfill the request.  However, I'm not sure if a page's request takes 
> longer for a client with a slow link.
>
> Anyway, given the standardized way Tomcat stores it's log, it might not 
> be too difficult to find someone who solved the same problem for 
> Apache's httpd and apply that to Tomcat.
>
> -Dave
>
> raghavendra kristam wrote:
>   
>> Hi,
>>
>> I am quite new to nagios and finally I installed the required 
>> softwares on linux machine. 
>> I am able to access the web interface using the url 
>> http://<localhost>:90/nagios <http://%3Clocalhost%3E:90/nagios>.
>>  
>> a) nagios-2.7
>> b) nagios-plugins-1.4.5
>> c) Apache httpd-2.2.4
>> d) mysql4.1.22
>>
>>
>> I need to do the following scenarios with nagios. Please let me know 
>> how to handle this scenarios.
>>
>> a)For server availability: listening to Tomcat server port 
>> periodically and send out notification when there is no response on 
>> the port.
>> b)For memory/disk usage: periodically check memory/disk space and send 
>> out notification when the usage reaches certain thresholds.
>> c) For requests per minute for the Tomcat Server and per JSP level 
>> requests per minute and response time
>>
>>
>> Please let me know whether all these scenarios supported by nagios or 
>> not ?
>>
>> Thanks,
>> Raghavendra.
>>
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>
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