RE: log4j app logging

["Lemke, Michael ST/HZA-ZIC2" <le...@schaeffler.com>]

On Thursday, December 27, 2018 5:35 PM, Mark H. Wood wrote:
>On Wed, Dec 19, 2018 at 06:52:20PM +0000, Lemke, Michael  ST/HZA-ZIC2 wrote:
>> On December 19, 2018 6:54 PM Lemke, Michael wrote:
>> >On December 18, 2018 8:52 PM Christopher Schultz wrote:
>> >>On 12/18/18 12:42, Lemke, Michael  ST/HZA-ZIC2 wrote:
>> >>> I have an old webapp that uses log4j 1.2 and which I am trying to 
>> >>> deploy on tomcat. For the heck of it I can't get tomcat to use the 
>> >>> log4.properties file. What am I doing wrong?
>> >>
>> >>
...
>> >I guess I have a terrible mess of all sorts of loggers in my libraries. I am
>> >not good at all the different Java loggers. The log4j.properties I want 
>> >to use is for log4j-1.2.27 so not quite bleeding edge ??. Then there are 
>> >other libs that pull in slf4j-api-1.7.25.jar, there is a jcl-over-slf4j-1.7.25.jar, 
>> >logback-classic-1.2.3.jar, logback-core-1.2.3.jar.
>> >
>
>If this happens to be a project built with Maven then 'mvn
>dependency:tree' should tell you which artifacts are pulling in
>SLF4J.  You may need to run this more than once as you comb out
>transitive dependencies one by one.
>
>But it's possible to use multiple logging frameworks in one webapp. if
>you include/exclude the right artifacts.  See
>https://www.slf4j.org/legacy.html if you need to do this with SLF4J
>and Log4J v1.

Thank you very much, Mark, this was very helpful. With it I could clean up the mess. 
Most important part was to get rid of logback-* and switch everything to slf4j
with the help of slf4j-log4j12. Now everything seems to be working.

Thanks again,
Michael

---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
For additional commands, e-mail: users-help@tomcat.apache.org