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Posted to users@tomcat.apache.org by Bill Phillips <wi...@gmail.com> on 2016/09/21 21:49:59 UTC
log4j2 configuration in tomcat 8.5.5
My team has elected me to upgrade Tomcat from 7.X to 8.5.5+ on our very
old and very large web application.
Under Tomcat 7.x, this application uses the tomcat-juli-adapters to replace
JULI with log4j1.16. Worked like a charm for years.
Under Tomcat 8.5.5, I'm getting exceptions such as:
java.lang.NoClassDefFoundError: org/apache/juli/WebappProperties
Googling this led me to the discovery that log4j1.x support via
tomcat-juli-adapters was
discontinued in Tomcat 8.5, as described here:
https://bz.apache.org/bugzilla/show_bug.cgi?id=58588
My understanding is that JULI can be replaced by log4j2 without the
adapters,
but I cannot find a description on how to do this.
Can anyone describe to me how this is done?
It is no longer covered in the user documentation as it was on earlier
versions:
https://tomcat.apache.org/tomcat-8.5-doc/logging.html
Thanks,
Bill
Re: log4j2 configuration in tomcat 8.5.5
Posted by Mark Thomas <ma...@apache.org>.
On 21/09/2016 22:49, Bill Phillips wrote:
> My team has elected me to upgrade Tomcat from 7.X to 8.5.5+ on our very
> old and very large web application.
>
> Under Tomcat 7.x, this application uses the tomcat-juli-adapters to replace
> JULI with log4j1.16. Worked like a charm for years.
>
>
> Under Tomcat 8.5.5, I'm getting exceptions such as:
> java.lang.NoClassDefFoundError: org/apache/juli/WebappProperties
>
>
> Googling this led me to the discovery that log4j1.x support via
> tomcat-juli-adapters was
> discontinued in Tomcat 8.5, as described here:
>
> https://bz.apache.org/bugzilla/show_bug.cgi?id=58588
>
>
> My understanding is that JULI can be replaced by log4j2 without the
> adapters,
> but I cannot find a description on how to do this.
>
>
> Can anyone describe to me how this is done?
https://logging.apache.org/log4j/log4j-2.6.1/log4j-jul/index.html
should point you in the right direction.
Mark
>
>
> It is no longer covered in the user documentation as it was on earlier
> versions:
>
> https://tomcat.apache.org/tomcat-8.5-doc/logging.html
>
>
>
> Thanks,
>
> Bill
>
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