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From Filip Hanik - Dev Lists <devli...@hanik.com>
Subject Re: No access log for AJP traffic
Date Wed, 06 Apr 2011 20:26:32 GMT
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 André 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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