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https://issues.apache.org/jira/browse/LOG4J2-1614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15527861#comment-15527861
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Frank Conover commented on LOG4J2-1614:
---------------------------------------

Thanks for the reply. I have the annotations. It matches the appender example 
at https://logging.apache.org/log4j/2.x/manual/extending.html.

If I extract/unzip the jar file, so using just classes, the appender is found.

I haven't had any luck getting the Eclipse Annotation Processor to work.
Does the packages attribute support loading plugins that don't have a .dat file 
(no annotation processing).

Someone had similar issues with the Eclipse Annotation Processor here:
[Stackoverflow ref | 
http://stackoverflow.com/questions/24918810/log4j2-configuration-will-not-load-custom-pattern-converter]

> Package attribute for discovering custom plugins within jars fails
> ------------------------------------------------------------------
>
>                 Key: LOG4J2-1614
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-1614
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Appenders, Core
>    Affects Versions: 2.3, 2.6.2
>            Reporter: Frank Conover
>         Attachments: output-log.txt
>
>
> I am experiencing this issue with 2.6.3 and I tried 2.3. I have a custom 
> plugin in a jar file. Works fine from eclipse, or a non-jar java app but not 
> as a jar project. I have packages="... attribute filled out in my log4j2.xml. 
> I added it to get the custom appender found while running from eclipse. As a 
> non-maven program using jars which are on the classpath the appender is not 
> found. Is there another way I should be doing this? Is packages still fixed / 
> or still an available feature?
> Note: If I extract my jars and run, the appender is found.
> See: LOG4J2-741
> This referenced issue and the stack overflow link in the description of this 
> issue sound like my issue. Do I need to compile with a certain flag turned 
> on? Generate my jar a certain way?



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