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From Rainer Jung <rainer.j...@kippdata.de>
Subject Re: /context not working -- mod_jk error: no match for /server-status
Date Thu, 03 Sep 2009 16:48:49 GMT
On 03.09.2009 15:34, Dennis Christopher wrote:
> Rainer,
> 
> I am not sending /server-status explicitly.
> 
> The mod_jk log which I excerpted earlier shows the processing of
> server-status before any context is asked for, apparently when Tomcat
> starts up.
> 
> The log continues to repeat these entries - apparently mod_jk is looping
> trying to satisfy this context and never does.

No I'm pretty sure this is not the case. I expect someone has a
monitoring tool running or a browser windows with auto-refresh for
/server-status and that's what produces those debug log lines in mod_jk.
No problem per se.

So back to the basic question: what is your problem? What are you trying
to achieve, what did you do to make it work, how do you test it, what
result do you expect and what happens instead?

Regards,

Rainer

> I added JkMountCopy All but this had no effect.
> 
> Dennis
> On Sep 3, 2009, at 4:18 AM, Rainer Jung wrote:
> 
>> On 02.09.2009 21:45, Dennis Christopher wrote:
>>> Rainer,
>>>
>>> Thanks for the reply. I was confused in my orginal post: I am not using
>>> JBoss at all, only mod_jk.
>>>
>>> The file contents are as follows below.
>>>
>>> Apache has a hosts directory, but I'm not sure if the files matter. They
>>> are either the apache .default files or slight modifications of them,
>>> e.g. virtual_host_global.conf contains just:
>>>
>>> Listen *:80
>>
>> I don't understand, why you test this with a request /server-status.
>> That doesn't make sense, because you don't want /server-status to be
>> forwarded by mod_jk and in fact you didn't configure it.
>>
>> So choose a better URL to test (one of the URLs you have a JkMount for)
>> and add "JkMountCopy All".
>>
>> Regards,
>>
>> Rainer
>>
>>> 1. uriworkermap.properties -- not used
>>>
>>> 2. from apache2/httpd.conf:
>>>
>>> LoadModule jk_module libexec/apache2/mod_jk.so
>>> .
>>> .
>>> <IfModule mod_jk.c>
>>>        JKWorkersFile /etc/apache2/workers.properties
>>>        JKLogFile /var/log/apache2/mod_jk.log
>>>        JKLogLevel debug
>>>        JKShmFile /var/log/apache2/mod_jk.shm
>>>        JKMount /*.jsp JBoss1
>>>        JKMount /servlet/* JBoss1
>>>        JKMount /examples/* JBoss1
>>>        JKMount /picturetalk/* JBoss1
>>>        JKMount /sample/* JBoss1
>>> </IfModule>
>>> .
>>> .
>>>
>>> 3. from apache2/workers.properties:
>>>
>>> worker.list=JBoss1, JBoss2, loadbalancer, blojsomworker
>>>
>>> # ------------------------
>>> # First JBoss server
>>> # ------------------------
>>> worker.JBoss1.port=8009
>>> worker.JBoss1.host=127.0.0.1
>>> worker.JBoss1.type=ajp13
>>>
>>> # Specify the size of the open connection cache.
>>> #worker.JBoss1.cachesize
>>>
>>> #
>>> # Specifies the load balance factor when used with
>>> # a load balancing worker.
>>> # Note:
>>> #  ----> lbfactor must be > 0
>>> #  ----> Low lbfactor means less work done by the worker.
>>> worker.JBoss1.lbfactor=100
>>>
>>>
>>> # ------------------------
>>> # Second JBoss server
>>> # ------------------------
>>> #worker.JBoss2.port=9008
>>> #worker.JBoss2.host=localhost
>>> worker.JBoss2.lbfactor=100
>>>
>>>
>>> # ------------------------
>>> # Load Balancer worker
>>> # ------------------------
>>>
>>> #
>>> # The loadbalancer (type lb) worker performs weighted round-robin
>>> # load balancing with sticky sessions.
>>> # Note:
>>> #  ----> If a worker dies, the load balancer will check its state
>>> #        once in a while. Until then all work is redirected to peer
>>> #        worker.
>>> worker.loadbalancer.type=lb
>>> worker.loadbalancer.balanced_workers=JBoss1, JBoss2
>>>
>>> # ------------------------
>>> # Blojsom worker
>>> # ------------------------
>>> #
>>> # Worker created specifically for Blojsom.
>>> worker.blojsomworker.port=1279
>>> worker.blojsomworker.host=127.0.0.1
>>> worker.blojsomworker.type=ajp13
>>> worker.blojsomworker.lbfactor=100
>>>
>>>
>>> # END workers.properties
>>> #
>>>
>>> On Sep 2, 2009, at 2:05 PM, Rainer Jung wrote:
>>>
>>>> On 27.08.2009 15:45, Dennis Christopher wrote:
>>>>> environment: Tomcat 6.0.18 under apache2 on Mac OS X Server 10.5
>>>>> (Leopard).
>>>>>
>>>>> I am using a mod_jk connector with JBoss.
>>>>>
>>>>> I am having trouble getting context urls of the form
>>>>> website.my.com/myapplication honoured (or even
>>>>> localhost/myapplication).
>>>>> (Safari:File not found).I have googled  the error messages below but
>>>>> can't find anything applicable to my setup.
>>>>>
>>>>> The quick start guide at
>>>>>
>>>>> http://tomcat.apache.org/connectors-doc/generic_howto/quick.html
>>>>>
>>>>> gives a simple proof of concept for a connector setup (/examples").
>>>>> However, this does not work,
>>>>> though I have followed the editing of the configuration files exactly
>>>>> (using JKMount in the httpd.conf etc)
>>>>>
>>>>> I get an error in mod_jk.log (set to debug level):
>>>>>
>>>>> [Tue Aug 25 12:41:11.783 2009] [211:2688784416] [debug]
>>>>> map_uri_to_worker_ext::jk_uri_worker_map.c (1036): (TEST)
>>>>> Attempting to
>>>>> map URI '/server-status' from 5 maps
>>>>> [Tue Aug 25 12:41:11.783 2009] [211:2688784416] [debug]
>>>>> map_uri_to_worker_ext::jk_uri_worker_map.c (1039): Initial match
>>>>> value:for URI '/server-status' is -1.
>>>>> [Tue Aug 25 12:41:11.783 2009] [211:2688784416] [debug]
>>>>> find_match::jk_uri_worker_map.c (850): Attempting to map context URI
>>>>> '/examples/*=JBoss1' source 'JkMount'
>>>>> [Tue Aug 25 12:41:11.783 2009] [211:2688784416] [debug]
>>>>> find_match::jk_uri_worker_map.c (850): Attempting to map context URI
>>>>> '/servlet/*=JBoss1' source 'JkMount'
>>>>> [Tue Aug 25 12:41:11.783 2009] [211:2688784416] [debug]
>>>>> find_match::jk_uri_worker_map.c (850): Attempting to map context URI
>>>>> '/sample/*=JBoss1' source 'JkMount'
>>>>> [Tue Aug 25 12:41:11.784 2009] [211:2688784416] [debug]
>>>>> find_match::jk_uri_worker_map.c (850): Attempting to map context URI
>>>>> '/*.jsp=JBoss1' source 'JkMount'
>>>>> [Tue Aug 25 12:41:11.784 2009] [211:2688784416] [debug]
>>>>> map_uri_to_worker_ext::jk_uri_worker_map.c (1047): Match value:for URI
>>>>> '/server-status' is -1.
>>>>> [Tue Aug 25 12:41:11.784 2009] [211:2688784416] [debug]
>>>>> jk_translate::mod_jk.c (3536): no match for /server-status found
>>>>>
>>>>> Any help on how to diagnose what the seeming error is pointing to
>>>>> would
>>>>> be much appreciated.
>>>>
>>>> This log snippet is not useful, because the request you used was for
>>>> /server-status, which is most likely not a request you want mod_jk to
>>>> send to JBoss.
>>>>
>>>> Please post all your JK directives from your httpd.conf and the files
>>>> included in that. Also post your workers.properties, and if you use it
>>>> the uriworkermap.properties file.
>>>>
>>>> The most common cause why simple setups do not work is the use of
>>>> virtual hosts in the Apache configuration. If you have virtual hosts,
>>>> you have to put JkMount into the virtual hosts, or you set "JkMountCopy
>>>> All" in the global part of the configuration.
>>>>
>>>> Regards,
>>>>
>>>> Rainer

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