[jira] (MNG-5510) Maven causing ClassCastException with container plugins when project is using other SLF4J implementation than slf4j-simple

[Peter Janes (JIRA)]

    [ 
https://jira.codehaus.org/browse/MNG-5510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=361470#comment-361470
 ] 

Peter Janes commented on MNG-5510:
----------------------------------

The SonarQube occurrence of this issue mentioned in the second comment may be 
resolved in 5.1 (SONAR-5701/SONAR-5700).

> Maven causing ClassCastException with container plugins when project is using 
> other SLF4J implementation than slf4j-simple
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MNG-5510
>                 URL: https://jira.codehaus.org/browse/MNG-5510
>             Project: Maven
>          Issue Type: Bug
>          Components: Bootstrap & Build, Logging
>    Affects Versions: 3.1.0
>            Reporter: Juan Pablo Santos Rodríguez
>         Attachments: MNG-5510-sample.zip
>
>
> On our project we're using directly logback to start up a custom mbean to be 
> able to change log levels dynamically, among other things. Most of these 
> operations are Logback-specific, they're not available via SLF4J API
> For testing we use Jetty, so when we're doing an mvn jetty:run, the mbean 
> gets init'd and we get an Exception stating "ClassCastException: 
> org.slf4j.impl.SimpleLoggerFactory cannot be cast to 
> ch.qos.logback.classic.LoggerContext", due to slf4j-simple being on maven's 
> lib. This is very likely to happen with other container plugins (tomcat7 et 
> al)



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