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Date: Mon, 11 Jul 2011 15:15:18 +0100
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To: Tomcat Users List <users@tomcat.apache.org>
Subject: Re: Tomcat 6.0.32 stops responding
References: 
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On 11/07/2011 15:10, PJ Delsh wrote:
>=20
> Konstantin,
> 1- We couldn't find anything useful in the Apache logs.

Log data is useful.  Even if it doesn't /appear/ to show an error.

> 2- I don't know where in the Tomcat logs or Apache config to look for t=
he connector we are using.=20

Carefully remove the XML comments from your Tomcat conf/server.xml and
post the result into an email here, (after testing that it still works).

> 3- How can we connect to Tomcat via the non AJP (if we are using it) to=
 see if Tomcat responds?

By enabling and/or using the HTTP connector, usually on port 8080.

> 4- What can I do with the thread dumps?

Post them here.

> 5- I would like to eventually setup more than one Tomcat to act as a fa=
ilover.

Woah, there!  One problem at a time please...


p


> -PJ
>=20
>> Date: Mon, 11 Jul 2011 16:35:55 +0400
>> Subject: Re: Tomcat 6.0.32 stops responding
>> From: knst.kolinko@gmail.com
>> To: users@tomcat.apache.org
>>
>> 2011/7/11 PJ Delsh <pjdelsh007@hotmail.com>:
>>>
>>> Thank you Konstantin and Chris.
>>>
>>> I have setup Apache 2.2.19 through mod_jk 1.2.21
>>> To enable compression on the SSL traffic, Apache and Tomcat are setup=
 in a reverse proxy.
>>>
>>> 1- Should I take the thread dumps now, or when Tomcat is in the 'non-=
responding' state?
>>
>> When it is in non-responding state.
>> Is there anything in the Apache HTTPD logs as well?
>>
>>
>> Regarding your configuration:
>> - What connector implementation you are using? (That will be in the
>> logs when Tomcat starts). Do you use Tomcat-Native aka APR
>> (bin/tcnative-1.dll) ?
>>
>> - If you have an HTTP connector besides AJP one, does Tomcat responds
>> if you try to connect to it?
>>
>>
>>> 2- Is it a good idea to make the jump from 6.0.32 to 7.0.16?  I know =
our app works in 7.
>>
>> That is up to you to decide. The more people use Tomcat 7, the merrier=
 it is.
>>
>>
>> Tomcat 7 releases come more frequently (once a month),  and changes
>> between releases tend to be more risky, but it has better testsuite
>> than Tomcat 6.
>>
>>
>> There was some connector refactoring recently in Tomcat 7, to reduce
>> duplicate code and simplify further development and maintenance. Next
>> release will be 7.0.19.
>>
>> Regarding your issue, I do not think that the upgrade will change
>> anything in diagnosing the issue.
>>
>>
>> There should be other reasons for upgrading, like parallel deployment,=

>> or using Sevlet 3.0 features in applications that you will deploy on
>> the same server later.
>>
>> http://tomcat.apache.org/tomcat-7.0-doc/config/context.html#Parallel_d=
eployment
>>
>>
>>> 3- If I was to hire a consultant to look into this, can you recommend=
 one?
>>
>> http://wiki.apache.org/tomcat/SupportAndTraining
>>
>> Best regards,
>> Konstantin Kolinko
>>
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>> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
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>>
>  		 	   		 =20


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