[logback-user] Externalized Logback configuration for web applications

[Perryn Fowler]

Thanks guys, it looks like the bit I was missing was the ability to
include externalized config files from a packaged config file.

cheers
Perryn

On Sat, Aug 18, 2012 at 6:59 AM, ceki <ceki at qos.ch> wrote:
> On 17.08.2012 06:23, Perryn Fowler wrote:
>>
>> Hello,
>>
>> I have a logging use case that I would think was relatively common,
>> but that does not seem to be supported particularly well by logback.
>> I wanted to see what the logback community thinks/advises.
>>
>> The details of the use case
>> - I am writing java web apps to be deployed to JEE web containers.
>> - I want the logging config to be external to the wars, so that I can
>> use the same wars in different environments, but configure logging
>> differently.
>> - I want to be able to deploy several different wars to the same web
>> container and have them use different logging configurations.
>
>
> Here is a simple recipe:
>
> 1) Package logback jars in each web-app separately.
> 2) In web-app A, place a logback.xml file which references an external file
> for inclusion. Example:
>
> # --- logback.xml shipping in web-app A -------
>
> <configuration debug="true">
>   <include file="/opt/logback-A.xml">
> </configuration>
>
> # ----------------------------------------------
>
> /opt/logback-A.xml would contains the config specific for web-app A.
>
> 3) Do the same for your other web-apps.
>
> 4) Declare victory.
>
>
> As Bjorn mention, you can parameterize the reference to the included file
> via JNDI (or any of the other variable types supported in logback).
>
> HTH,
>
> --
> Ceki
> http://tinyurl.com/proLogback
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-- 
-----------------------
Perryn Fowler
ThoughtWorks