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https://issues.apache.org/jira/browse/SPARK-5524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jacek Lewandowski updated SPARK-5524:
-------------------------------------
    Issue Type: Task  (was: Bug)

> Remove messy dependencies to log4j
> ----------------------------------
>
>                 Key: SPARK-5524
>                 URL: https://issues.apache.org/jira/browse/SPARK-5524
>             Project: Spark
>          Issue Type: Task
>            Reporter: Jacek Lewandowski
>
> There are some tickets regarding loosening the dependency on Log4j, however 
> some classes still use the following scheme:
> {code}
>   if (Logger.getLogger(classOf[SomeClass]).getLevel == null) {
>     Logger.getLogger(classOf[SomeClass]).setLevel(someLevel)
>   }
> {code}
> This doesn't look good and make it difficult to track why some logs are 
> missing when you use Log4j and why they are flooding when you use something 
> else, like logback. 
> There is a Logging class which checks whether we use Log4j or not. Why not 
> delegate all of such invocations, where the Logging class could handle it 
> properly, maybe considering more logging implementations?



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