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From David Jencks <david_jen...@yahoo.com>
Subject Re: Geronimo 2/Log4j question
Date Thu, 06 Mar 2008 20:11:02 GMT
You have to be careful about what properties you feed to log4j..... I  
did get this approach working with the roller plugin.  Look for the  
roller-custom.properties file in the plugins/roller/trunk stuff

have to run again, more later

david jencks

On Mar 6, 2008, at 11:52 AM, Adam Ruggles wrote:

>
> The problem with the ServletContextListener approach is that it  
> takes over
> the log4j for all apps.
>
> For instance, I have two web apps running in geronimo.  They share  
> a common
> code base.  I need each one to manage their own logging.  Right now  
> using
> the Listener approach, the following occurs.
>
> WebApp 1 starts up and begins logging com.my.package
>
> Everything looks good so far.
>
> WebApp2 starts up and begins logging com.my.package.  Now WebApp 1  
> is no
> longer writing out to the log files and WebApp2's logs contains  
> logging
> information from WebApp1 and WebApp2.
>
> By the way in both cases the geronimo.log file is affected as well.
>
>
> djencks wrote:
>>
>> The solution I know of is to include a log4j.properties file if you
>> want to run on servers that do not use log4j internally but to have
>> your ServletContextListener read an app specific properties file that
>> sets up the appender for your app and other such customizations and
>> feeds the info to log4j programatically.
>>
>> Roller uses this technique.
>>
>> I'm not sure exactly what the log4j API for this is and have to run
>> now, if you can't find it I can look more later.
>> thanks
>> david jencks
>>
>> On Mar 6, 2008, at 9:22 AM, Adam Ruggles wrote:
>>
>>>
>>> I used Spring to create the listener like you've described here.
>>> It works,
>>> but the only problem is that I have multiple web apps and I'd like
>>> them to
>>> maintain their own log, however using this method causes the last
>>> web app to
>>> load to take over the logging.
>>>
>>>
>>>
>>> Łukasz Budnik wrote:
>>>>
>>>> Hi!
>>>>
>>>> I had the very same problem with G2.0.0, currently I'm using  
>>>> G2.1 and
>>>> to tell the truth I don't know whether this issue still exists
>>>> because
>>>> I use a very simple work around that works always and for my  
>>>> case is
>>>> sufficient.
>>>>
>>>> Simply in WAR create a new class, implement the
>>>> ServletContextListener
>>>> interface and override contextInitialized method like this:
>>>>
>>>> public void contextInitialized(ServletContextEvent ctx) {
>>>> 		String prefix = ctx.getServletContext().getRealPath("/");
>>>> 		String file =
>>>> ctx.getServletContext().getInitParameter("log4j-configuration- 
>>>> file");
>>>> 		if (file != null) {
>>>> 			DOMConfigurator.configure(prefix + "WEB-INF/" + file);
>>>> 		}
>>>> 	}
>>>>
>>>> it works in G2.0.0 and G2.1
>>>>
>>>> If You manage to use Log4j without this workaround, let me know
>>>> please ;)
>>>>
>>>> best regards
>>>> Łukasz
>>>>
>>>> On 27/02/2008, Jacek Laskowski <jacek@laskowski.net.pl> wrote:
>>>>> On Tue, Feb 5, 2008 at 11:10 AM, Adam Ruggles  
>>>>> <a.ruggles@gmail.com>
>>>>> wrote:
>>>>>>
>>>>>>  I am also having this issue.  In tomcat I just needed a
>>>>>> log4j.xml in
>>>>> my
>>>>>>  classpath, however geronimo seems to ignore it.
>>>>>>
>>>>>>  The only solution I've found is to have Spring configure log4j
>>>>> through the
>>>>>>  web.xml but that takes over all logging in geronimo.  I need to
>>>>>> have
>>>>>>  separate logging for each of my web apps.
>>>>>
>>>>>  Have you tried to inverse-classloading and/or hidden-classes
>>>>> elements
>>>>>  in your plan so log4j and its configuration in Geronimo is for
>>>>>  Geronimo stuff and yours is for your stuff?
>>>>>
>>>>>  Jacek
>>>>>
>>>>>
>>>>>  --
>>>>>  Jacek Laskowski
>>>>>  http://www.JacekLaskowski.pl
>>>>>
>>>>
>>>>
>>>
>>> -- 
>>> View this message in context: http://www.nabble.com/Geronimo-2-
>>> Log4j-question-tp12865061s134p15879047.html
>>> Sent from the Apache Geronimo - Users mailing list archive at
>>> Nabble.com.
>>>
>>
>>
>>
>
> -- 
> View this message in context: http://www.nabble.com/Geronimo-2- 
> Log4j-question-tp12865061s134p15882415.html
> Sent from the Apache Geronimo - Users mailing list archive at  
> Nabble.com.
>


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