Have you tried to use RoutingAppender (
https://logging.apache.org/log4j/2.x/manual/appenders.html#RoutingAppender)
together with thread context?

On Mon, Apr 3, 2017 at 5:29 PM, Gerard Gagliano <g...@me.com> wrote:

> I have a structure as follows: Class A is started via main method Class A
> starts Class B using ProcessBuilder (via main method of course) Class B
> starts Class C using its Constructor
> I want each class to have its own log and to use a single log4j2.xml file.
>
> Appender has the following:
>
> <RollingFile
>     name="file"
>     fileName="${sys:loggingFileName}.log"
>     …
> </RollingFile>
>
> Each Class has code similar to this:
>
> import org.apache.logging.log4j.LogManager;
> import org.apache.logging.log4j.core.LoggerContext;
> import org.slf4j.LoggerFactory;
>
> private static final Logger log = LoggerFactory.getLogger (A.class);
>
> System.setProperty ("loggingFileName", “A”);
> LoggerContext context = (LoggerContext) LogManager.getContext (false);
>
> If there were only these classes involved, everything would work, but
> there are many other classes that do logging.
>
> For example, Class D is referenced by Classes A, B, and C and only has
> this code:
>
> private static final Logger log = LoggerFactory.getLogger (D.class);
>
> I would like the output from Class D referenced from Class A to be in log
> A, but it may wind up in log A, B, or C.
>
> Is there a way to construct the logs so that output for Class D winds up
> in: log A when referenced from A log B when referenced from B log C when
> referenced from C.
>
>
>
>
> --
> Gerard Gagliano
> 505-792-3331 Office
> 505-463-3999 Mobile
>
> Prodentity
> Corrales, NM 87048-6935
> http://www.prodentity.com <http://www.prodentity.com/>
>



-- 
[image: MagineTV]

*Mikael Ståldal*
Senior software developer

*Magine TV*
mikael.stal...@magine.com
Grev Turegatan 3  | 114 46 Stockholm, Sweden  |   www.magine.com

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