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From Igor Cicimov <icici...@gmail.com>
Subject Re: mod_jk how to add JK_WORKER_NAME to http-header
Date Wed, 27 Feb 2013 00:14:38 GMT
On 27/02/2013 10:47 AM, "Jochen Wißmann" <jochen.wissmann@kepol.com> wrote:
>
> On 26.02.2013 22:38, Christopher Schultz wrote:
>>
>> -----BEGIN PGP SIGNED MESSAGE-----
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>> Jochen,
>>
>> On 2/26/13 10:41 AM, Jochen Wißmann wrote:
>>>
>>> I tried to get something like this working:
>>>
>>> httpd.conf: ... Header add TC-Server "%{JK_WORKER_NAME}e"
>>
>> This looks like it should work from my brief review of the documentation.
>>
>>> < TC-Server: (null)
>>>
>>> Why do i get "TC-Server: (null)" ? Using the Variable
>>> JK_WORKER_NAME to log the worker's name via mod_log_config works
>>> fine.
>>>
>>> Am i missing something? Is it even possible to access the
>>> env-variable JK_WORKER_NAME with module mod_header?
>>
>> The httpd documentation says so.
>>
>> Can you give us more of your httpd.conf? Perhaps the "Header"
>> directive isn't in a place where the environment variable has been
>> set, goes out of scope, etc.
>>
>> - -chris
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>>
> Hi Christopher,
>
> my setup looks like this.
> * os: ubuntu, running apache  2.2 with mod_jk 1.2.36
> * AJP13-Worker: Liferay Portal Community Edition 6.0.6 CE (Bunyan / Build
6006 / February 17, 2011) , which is based on tomcat-6.0.29
>
> 000-default:
> ----------------
> # Load mod_jk configuration
> Include mod-jk.conf
>
> <VirtualHost *:80>
>     ServerAdmin webmaster@localhost
>     DocumentRoot /var/www
>     <Directory />
>         Options FollowSymLinks
>         AllowOverride None
>     </Directory>
>     <Directory /var/www/>
>         Options Indexes FollowSymLinks MultiViews
>         AllowOverride None
>         Order allow,deny
>         allow from all
>     </Directory>
>
>     ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/
>     <Directory "/usr/lib/cgi-bin">
>         AllowOverride None
>         Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
>         Order allow,deny
>         Allow from all
>     </Directory>
>
>     ErrorLog ${APACHE_LOG_DIR}/error.log
>
>     # Possible values include: debug, info, notice, warn, error, crit,
>     # alert, emerg.
>     LogLevel warn
>
>     CustomLog ${APACHE_LOG_DIR}/access.log combined
>
>     Alias /doc/ "/usr/share/doc/"
>     <Directory "/usr/share/doc/">
>         Options Indexes MultiViews FollowSymLinks
>         AllowOverride None
>         Order deny,allow
>         Deny from all
>         Allow from 127.0.0.0/255.0.0.0 ::1/128
>     </Directory>
>     Header add X-Server-Ip "%{SERVER_ADDR}e"
>     Header merge TC-Server-Ip "%{JK_WORKER_NAME}e"
> </VirtualHost>
>
> mod_jk.conf:
> -----------------
> # Load mod_jk module
> # Specify the filename of the mod_jk lib
> LoadModule jk_module modules/mod_jk.so
>
> # Where to find workers.properties
> JkWorkersFile workers.properties
>
> # Where to put jk logs
> JkLogFile ${APACHE_LOG_DIR}/mod_jk.log
>
> # Set the jk log level [debug/error/info]
> JkLogLevel info
>
> # LogFormat
> LogFormat     "%h %l %u %t \"%r\" %>s %b %{JK_WORKER_NAME}n
%{JK_LB_FIRST_NAME}n \
>                  %{JK_LB_FIRST_BUSY}n %{JK_LB_LAST_NAME}n
%{JK_LB_LAST_BUSY}n" JkLogFile
> # Select the log format
> JkLogStampFormat  "%Y-%m-%d %H:%M:%S,%Q "
> #SetEnv JK_WORKER_NAME {JK_WORKER_NAME}n
> Header add TC-Server-Ip "%{JK_NOTE_WORKER_NAME}e"
> # JkOptions indicates to send SSK KEY SIZE
> JkOptions +ForwardKeySize +ForwardURICompat -ForwardDirectories
>
> # JkRequestLogFormat
> JkRequestLogFormat " %w %V %U %T %s %R"
>
> # You can use external file for mount points.
> # It will be checked for updates each 60 seconds.
> # The format of the file is: /url=worker
> # /examples/*=loadbalancer
> JkMountFile uriworkermap.properties
>
> JkMountCopy all
>
> # Add shared memory.
> # This directive is present with 1.2.10 and
> # later versions of mod_jk, and is needed for
> # for load balancing to work properly
> JkShmFile /var/log/apache2/jk.shm
>
> worker.properties:
> ------------------------
> # Define list of workers that will be used
> # for mapping requests
> worker.list=status,liferay
> # Status worker for managing load balancer
> worker.status.type=status
>
> # Liferay-Load-balancer
> worker.liferay.port=8009
> worker.liferay.host=127.0.0.1
> worker.liferay.type=ajp13
>
> uriworkermap.properties:
> ----------------------------------
> # Mount the Servlet context to the ajp13 worker
> /jkstatus/*=status
>
> # Liferay
> /c=liferay
> /c/*=liferay
> /group=liferay
> /group/*=liferay
> /html/*=liferay
> /image/*=liferay
> /language/*=liferay
> /layouttpl/*=liferay
> /user=liferay
> /user/*=liferay
> /web=liferay
> /web/*=liferay
> /kepol=liferay
> /kepol/*=liferay
>
> # Liferay Languages
> /da=liferay
> /da/*=liferay
> /de=liferay
> /de/*=liferay
> /en=liferay
> /en/*=liferay
> /ru=liferay
> /ru/*=liferay
> /tr=liferay
> /tr/*=liferay
>

Another suggestion would be to drop the uriworkermap.properties file and
use JkMount instead inside virtual host.

> Using these config-files allows me to use JK_WORKER_NAME for logging, but
not for header-manipulation, strange ....
> Any ideas?
>
> Thanks!
>
>
> Jochen
>
> --
> Jochen Wißmann
> Head of operations
>
> KEBA GmbH Automation
> Vertretung der KEBA AG Linz
> Adenauerallee 73
> D-53113 Bonn, Germany
>
> Phone +49/228/1848698014
> Fax   +49/228/1848698015
> Mailto: jochen.wissmann@agimatec.de
> www.keba.com
> Geschäftsführer:
> Franz Berger, Thomas Linde, Michael Spatz Amtsgericht Ulm HRB 725943
>
>
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