[logback-user] Job Logger configuration

[David Roussel]

To be honest Matt I found the best way to understand these things is to set some breakpoints and step through it in the debugger. 

If you find the problem the your can create a pull request on GitHub. I had problems with sifting appender before and was able to get some pull requests accepted to fix my problem. 

David

> On 11 Oct 2013, at 21:45, Matt Young <solid at youngdev.net> wrote:
> 
> 
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> I hear ya on the sifting appender only accepting 1 key.  And I changed
> the jobId to  MDC.put("fname",jobGroup+"/"+jobName+"/"+jobId ); which
> does work with the following configuration:
> <appender name="jobLoggerAppender"
> class="ch.qos.logback.classic.sift.SiftingAppender">
>    <discriminator
> class="ch.qos.logback.classic.sift.MDCBasedDiscriminator">
>         <key>fname</key>
>        <defaultValue>unknown</defaultValue>
>    </discriminator>
>        <sift>
>            <appender  name="SIFT_INTERNAL"
> class="ch.qos.logback.core.FileAppender">
>            <prudent>true</prudent>
>                <file>${fname}.log</file>
>                  <encoder
> class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
>                        <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %-5level
> [%thread] %C:%L %msg%n</pattern>
>                    </encoder>
>            </appender>
>        </sift>
>    </appender>
> 
> What concerns me is that I don't seem to be able to override the
> MDCAdapter that logback uses for the sifting.  The documentation says
> that the class="..." attribute should override the MDCAdapter
> implementation used.  but it doesn't.  No matter what I put in that
> class attribute, it always uses
> ch.qos.logback.classic.util.LogbackMDCAdapter
> 
> I looked at the source for that MDCAdapter implementation and have
> confirmed that it does only use one value but that the MDCBasicAdapter
> from slf4j supports multiple keys.  What is preventing me from using the
> better implementation from SLF4J?
> 
> On 10/11/2013 05:35 AM, David Roussel wrote:
> 
> 
> - -- 
> Cheers,
> Matt Young
> solid at youngdev.net
> http://youngdev.net
> 
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