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Date: Wed, 06 Apr 2011 14:43:06 -0600
From: Filip Hanik - Dev Lists <devlists@hanik.com>
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To: Tomcat Users List <users@tomcat.apache.org>
Subject: Re: No access log for AJP traffic
References: <201104061503.56145.chris@blaze.io> <4D9CBDF6.9020805@ice-sa.com>
 <201104061531.18302.chris@blaze.io> <201104061550.54931.chris@blaze.io>
 <4D9CCC78.4080909@hanik.com>
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The logging now takes place in the CoyoteAdapter
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/connector/CoyoteAdapter.java?r1=1086351&r2=1086352&

Filip

On 4/6/2011 2:26 PM, Filip Hanik - Dev Lists wrote:
> Tomcat 6
> http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/java/org/apache/catalina/valves/AccessLogValve.java?annotate=1030188
> Look at the invoke() method, it logs the data
>
>
> Tomcat 7
> http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/valves/AccessLogValve.java?view=annotate
> Look at the invoke() method, it does nothing :)
>
> It seems to have happened here
> http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/valves/AccessLogValve.java?r1=1059547&r2=1059548&
>
> Filip
>
> On 4/6/2011 1:50 PM, Chris Dumoulin wrote:
>> In looking into this further, it appears that the difference isn't in HTTP vs AJP, the difference is in async vs synchronous.
>>
>> The AJP traffic was carrying requests that were being processed asynchronously in Tomcat. If I switch to using the HTTP connector for 
>> this same traffic I still don't see anything in the access log. Other requests that are being processed synchronously are showing up in 
>> the access logs.
>>
>> I'm starting to step through the Tomcat code now, but any thoughts on this would be appreciated.
>>
>> - Chris
>>
>> On April 6, 2011 03:31:18 pm Chris Dumoulin wrote:
>>> Thanks for your response Andre. I'm using AJP between Tomcat and Nginx using this Nginx module: 
>>> https://github.com/yaoweibin/nginx_ajp_module
>>> There is definitely AJP traffic, it's just not showing up in the access log.
>>>
>>> - Chris
>>>
>>> On April 6, 2011 03:24:38 pm Andr� Warnier wrote:
>>>> Chris Dumoulin wrote:
>>>>> I'm using tomcat 7.0.11 with the following Connector and Host elements in server.xml:
>>>>>
>>>>> <Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443"/>
>>>>> <Connector port="8009" protocol="AJP/1.3" redirectPort="8443"/>
>>>>>
>>>>> <Host appBase="webapps" autoDeploy="true" name="localhost" unpackWARs="true">
>>>>> <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs" pattern="%h %l %u %t&quot;%r&quot; %s %b" 
>>>>> prefix="localhost_access_log." resolveHosts="false" suffix=".txt"/>
>>>>> <Context docBase="app1" path="/app1" reloadable="true" source="org.eclipse.jst.jee.server:app1"/>
>>>>> <Context docBase="app2" path="/app2" reloadable="true" source="org.eclipse.jst.j2ee.server:app2"/>
>>>>> </Host>
>>>>>
>>>>> In the access log I'm seeing the HTTP traffic on port 8080 but not the AJP traffic on port 8009. I've googled around and I don't see 
>>>>> any mention of specific Valve settings for AJP.
>>>>>
>>>>> Any ideas?
>>>>>
>>>> And are you expecting traffic on the AJP Connector ?
>>>> For traffic to show up there, some client would need to connect to your server on port
>>>> 8009.  Is there anything that connects to that port ?
>>>>
>>>> If not, then there is nothing to worry about, and you could even comment-out that
>>>> <Connector>, since it will never be used.
>>>> Like :
>>>> <!-- Connector port="8009" protocol="AJP/1.3" redirectPort="8443"/ -->
>>>>
>>>>
>>>> The AJP Connector is used in scenarios where there is another webserver used as a
>>>> front-end to Tomcat, and this other webserver, to pass requests to Tomcat, uses the AJP
>>>> protocol.  For example, a configuration like this one :
>>>>
>>>> browser<-->  Apache httpd server<----->  Tomcat
>>>>                  + mod_jk module
>>>>               OR + mod_proxy_ajp module
>>>>
>>>> or
>>>>
>>>> browser<-->  IIS webserver<----->  Tomcat
>>>>            + isapi_redirect module
>>>>
>>>> If you do not use such a configuration, or you do not understand what this is all about,
>>>> then you don't need the AJP<Connector>  in Tomcat.
>>>>
>>>>
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