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From Dennis Christopher <dchristop...@pixion.com>
Subject Re: /context not working -- mod_jk error: no match for /server-status
Date Thu, 03 Sep 2009 18:24:39 GMT
Rainer,

Trying your /sample/ I get the same result.

The log appears to respond to that try but the lines are similar to  
those I originally posted from mod_jk.log.

It's as though every context request is translated into '/server- 
status'.

the bracketed numbers are:

[221:268597152] [debug] attempting to map URI '/server-status' from 5  
maps.
.
.
[221:268597152] [debug] attempting to map context URI '/sample/ 
*.=JBOSS1*' source JKMount
.
.

all the entries are marked [debug].

221 is process httpd with user _www.

Dennis

On Sep 3, 2009, at 1:26 PM, Rainer Jung wrote:

> On 03.09.2009 19:15, Dennis Christopher wrote:
>> The problem is that I am trying to support simple references to my
>> context without the tomcat port explicitly included.
>>
>> example: myexample.com/sample should invoke the web-app sample.
>
> You don't have a JkMount for /sample, only one for /sample/*.
> What happens, if you point your browser to
>
> http://my.apache.name/sample/
>
> If it doesn't work, extract the lines from your mod_jk log, that refer
> to this request. Look for something like
>
> ... [A_NUMBER:ANOTHER_NUMBER] ... Attempting to map URI '/sample/'  
> from ...
>
> Then note A_NUMBER:ANOTHER_NUMBER which are the process and thread id
> used for the request, and get all lines form the log, which have a
> timestamp close to your request and use the same IDs.
>
> Check whether there are any non-debug lines in there. If you can't see
> what goes wrong, post those lines.
>
> Regards,
>
> Rainer
>
>> what happens instead: the browser tells me: "file not found".
>>
>> looking at catalina.out it seems the request doesnt reach Tomcat at  
>> all.
>>
>> How I did it: he quick start guide at
>>
>> http://tomcat.apache.org/connectors-doc/generic_howto/quick.html
>>
>> gives a simple proof of concept for a context setup (/examples").
>>
>> which I have followed implicitly. I believe you have already seen  
>> what I
>> have done with the config files I posted.
>>
>> Dennis
>>
>> P.S as it may be important - if I try example.com:8080/sample the  
>> main
>> page of my web app loads but all of its subreferences, to gif images
>> etc, are broken.
>>
>>
>> On Sep 3, 2009, at 12:48 PM, Rainer Jung wrote:
>>
>>> 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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