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Posted to users@tomcat.apache.org by Geoff Meakin <sh...@gmail.com> on 2013/10/08 16:00:01 UTC
Override logging
I've been asked to host a couple of tomcat thirdparty webapps which all
have either logging.properties or log4j configurations (internally).
My question is, as a sysadmin who only gets to run the tomcat container,
can I override all the logging configurations of my apps. For example, I
dont use disks to log, I use syslog, and want to force all tomcat logs to
go over syslog.
I've read all the docs on JULI and log4j, and my head has exploded, and I
appreciate there are ways to do this in the properties file of the app
itself. However, I can't change the apps, and want to override all at the
container level. Is this possible? I can't imagine that it wouldn't be.
Hope this isn't too much of a n00b question.
Re: Log4J2 and Tomcat (Was: Override logging)
Posted by Jordan Michaels <jo...@viviotech.net>.
On 10/08/2013 12:27 PM, Christopher Schultz wrote:
> Interested in giving it a try?
I wouldn't mind. I'm still poking at 1.2 a bit to see if I can make it
work for this project, but yeah, I'm happy to give it a go. =)
Warm Regards,
Jordan Michaels
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Re: [OT] Log4J2 and Tomcat (Was: Override logging)
Posted by Christopher Schultz <ch...@christopherschultz.net>.
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Jordan,
On 10/8/13 2:54 PM, Jordan Michaels wrote:
> Interesting that you're bringing this up, I'm researching similar
> things for a project. Specifically, I'm looking over the
> documentaiton at the bottom of the page here regarding log4j:
> http://tomcat.apache.org/tomcat-7.0-doc/logging.html
>
> ...and log4j 1.2.9 seems to work great. Has anyone tried this same
> method with the upcoming log4j2? IE: would the current
> tomcat-juli.jar, and tomcat-juli-adapters.jar work with log4j2?
Probably not. I haven't looked at the auto-detection code that
Tomcat's "full Apache Commons Logging implementation [which is] thus
is able to discover the presense of log4j and configure itself" uses,
but I suspect it will require some tweaks before you can switch. It
will likely require the use of log4j-1.2-api.jar as well.
Interested in giving it a try?
- -chris
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Re: Log4J2 and Tomcat (Was: Override logging)
Posted by Jordan Michaels <jo...@viviotech.net>.
On 10/08/2013 12:22 PM, Christopher Schultz wrote:
> Note that you are a few versions behind: log4j 1.2.x is currently at
> 1.2.17. I'm not sure if the differences between 1.2.9 and 1.2.17
> affect you.
>
> - -chris
Indeed. Thanks for pointing that out. =)
Warm Regards,
Jordan Michaels
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Re: [OT x 2] Log4J2 and Tomcat (Was: Override logging)
Posted by Christopher Schultz <ch...@christopherschultz.net>.
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Hash: SHA256
Jordan,
On 10/8/13 2:54 PM, Jordan Michaels wrote:
> Interesting that you're bringing this up, I'm researching similar
> things for a project. Specifically, I'm looking over the
> documentaiton at the bottom of the page here regarding log4j:
> http://tomcat.apache.org/tomcat-7.0-doc/logging.html
>
> ...and log4j 1.2.9 seems to work great. Has anyone tried this same
> method with the upcoming log4j2? IE: would the current
> tomcat-juli.jar, and tomcat-juli-adapters.jar work with log4j2?
>
> Just curious mostly, I'm pretty happy with log4j 1.2.9 as it is.
> As usual, the Tomcat and log4j dev teams have done amazing work
> there.
Note that you are a few versions behind: log4j 1.2.x is currently at
1.2.17. I'm not sure if the differences between 1.2.9 and 1.2.17
affect you.
- -chris
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Log4J2 and Tomcat (Was: Override logging)
Posted by Jordan Michaels <jo...@viviotech.net>.
Interesting that you're bringing this up, I'm researching similar things
for a project. Specifically, I'm looking over the documentaiton at the
bottom of the page here regarding log4j:
http://tomcat.apache.org/tomcat-7.0-doc/logging.html
...and log4j 1.2.9 seems to work great. Has anyone tried this same
method with the upcoming log4j2? IE: would the current tomcat-juli.jar,
and tomcat-juli-adapters.jar work with log4j2?
Just curious mostly, I'm pretty happy with log4j 1.2.9 as it is. As
usual, the Tomcat and log4j dev teams have done amazing work there.
Warm Regards,
Jordan Michaels
On 10/08/2013 07:00 AM, Geoff Meakin wrote:
> I've been asked to host a couple of tomcat thirdparty webapps which all
> have either logging.properties or log4j configurations (internally).
>
> My question is, as a sysadmin who only gets to run the tomcat container,
> can I override all the logging configurations of my apps. For example, I
> dont use disks to log, I use syslog, and want to force all tomcat logs to
> go over syslog.
>
> I've read all the docs on JULI and log4j, and my head has exploded, and I
> appreciate there are ways to do this in the properties file of the app
> itself. However, I can't change the apps, and want to override all at the
> container level. Is this possible? I can't imagine that it wouldn't be.
>
> Hope this isn't too much of a n00b question.
>
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Re: Override logging
Posted by Cédric Couralet <ce...@gmail.com>.
2013/10/8 André Warnier <aw...@ice-sa.com>:
> Geoff Meakin wrote:
>>
>> I've been asked to host a couple of tomcat thirdparty webapps which all
>> have either logging.properties or log4j configurations (internally).
>>
>> My question is, as a sysadmin who only gets to run the tomcat container,
>> can I override all the logging configurations of my apps. For example, I
>> dont use disks to log, I use syslog, and want to force all tomcat logs to
>> go over syslog.
>>
>> I've read all the docs on JULI and log4j, and my head has exploded, and I
>> appreciate there are ways to do this in the properties file of the app
>> itself. However, I can't change the apps, and want to override all at the
>> container level. Is this possible? I can't imagine that it wouldn't be.
>>
>
> +1
>
>
>> Hope this isn't too much of a n00b question.
>>
>
> No, it isn't. It is a very good question, very relevant to people such as
> you (and I) who mostly have to manage tomcats rather than developing apps
> for tomcat.
>
>
Did you happen to try something with sl4j ? That would be my first try
: get all application logging to sl4j and then manage it as I want.
I don't even know if it is possible at all, and you will probably have
to touch the web app to replace the libraries used by sl4j bridge.
I'm also greatly interested if you find something usable.
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Re: Override logging
Posted by André Warnier <aw...@ice-sa.com>.
Geoff Meakin wrote:
> I've been asked to host a couple of tomcat thirdparty webapps which all
> have either logging.properties or log4j configurations (internally).
>
> My question is, as a sysadmin who only gets to run the tomcat container,
> can I override all the logging configurations of my apps. For example, I
> dont use disks to log, I use syslog, and want to force all tomcat logs to
> go over syslog.
>
> I've read all the docs on JULI and log4j, and my head has exploded, and I
> appreciate there are ways to do this in the properties file of the app
> itself. However, I can't change the apps, and want to override all at the
> container level. Is this possible? I can't imagine that it wouldn't be.
>
+1
> Hope this isn't too much of a n00b question.
>
No, it isn't. It is a very good question, very relevant to people such as you (and I) who
mostly have to manage tomcats rather than developing apps for tomcat.
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