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Posted to common-issues@hadoop.apache.org by "PJ Fanning (JIRA)" <ji...@apache.org> on 2017/11/22 10:15:00 UTC

[jira] [Updated] (HADOOP-15064) hadoop-common and hadoop-auth 3.0.0-beta1 expose a dependency on slf4j-log4j12

     [ https://issues.apache.org/jira/browse/HADOOP-15064?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

PJ Fanning updated HADOOP-15064:
--------------------------------
    Summary: hadoop-common and hadoop-auth 3.0.0-beta1 expose a dependency on slf4j-log4j12  (was: hadoop-common 3.0.0-beta1 exposes a dependency on slf4j-log4j12)

> hadoop-common and hadoop-auth 3.0.0-beta1 expose a dependency on slf4j-log4j12
> ------------------------------------------------------------------------------
>
>                 Key: HADOOP-15064
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15064
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 3.0.0-beta1
>            Reporter: PJ Fanning
>
> https://mvnrepository.com/artifact/org.apache.hadoop/hadoop-common/3.0.0-beta1
> https://mvnrepository.com/artifact/org.apache.hadoop/hadoop-auth/3.0.0-beta1 
> One of the ideas of SLF4J is that you should depend on the API jar and it is up to users of your lib to add a dependency to their preferred SLF4J implementation. You can only have one such implementation jar on your classpath.
> If the hadoop build uses log4j in its tests, then this can be made a test dependency and not a general compile or runtime dependency.



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