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https://issues.apache.org/jira/browse/JCS-232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17642465#comment-17642465
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Jeremy Long edited comment on JCS-232 at 12/2/22 1:38 PM:
----------------------------------------------------------

I had to restructure the looping to correctly catch the error without exiting 
the loop. See [[PR #|https://github.com/apache/commons-jcs/pull/120.] 
[120|https://github.com/apache/commons-jcs/pull/120.]|https://github.com/apache/commons-jcs/pull/120].
 I added a bit of excessive debug logging in case others run into issues 
implementing a logger.

A binding for `slf4j` will be published to central shortly: 
[https://github.com/jeremylong/jcs3-slf4j]


was (Author: [email protected]):
I had to restructure the looping to correctly catch the error without exiting 
the loop. See [[PR #|https://github.com/apache/commons-jcs/pull/120.] 
[120|https://github.com/apache/commons-jcs/pull/120.] 
[||https://github.com/apache/commons-jcs/pull/120.] 
[https://github.com/apache/commons-jcs/pull/120|https://github.com/apache/commons-jcs/pull/120.]
 []|https://github.com/apache/commons-jcs/pull/120.]. I added a bit of 
excessive debug logging in case others run into issues implementing a logger.

A binding for `slf4j` will be published to central shortly: 
[https://github.com/jeremylong/jcs3-slf4j]

> ClassNotFoundException When Using Custom Log Adapter
> ----------------------------------------------------
>
>                 Key: JCS-232
>                 URL: https://issues.apache.org/jira/browse/JCS-232
>             Project: Commons JCS
>          Issue Type: Bug
>    Affects Versions: jcs-3.1
>            Reporter: Jeremy Long
>            Priority: Major
>
> If one implements a new logging abstraction as documented: 
> [https://commons.apache.org/proper/commons-jcs/UpgradingFrom2x.html#Logging_Abstraction]
> Unless log4j is on the classpath a ClassNotFoundException exception is thrown 
> because `org/apache/logging/log4j/message/MessageFactory` does not exist and 
> is referenced 
> [https://github.com/apache/commons-jcs/blob/master/commons-jcs-core/src/main/java/org/apache/commons/jcs3/log/Log4j2Factory.java#L30]
>  
> I have a library that uses sl4j and is used in several other tools - so I 
> thought I would make an adapter to point to slf4j: 
> [https://github.com/jeremylong/jcs3-slf4j]. Unfortunately, to use this I will 
> have to add an unused dependency.



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