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https://issues.apache.org/jira/browse/CASSANDRA-625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12843049#action_12843049
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Gary Dusbabek commented on CASSANDRA-625:
-----------------------------------------

I get a lot of conflicts when applying this patch (to trunk, 0.6 or just about 
anywhere else).  I made sure to sync back to r920469.  I notice that it 
contains references to files that are no longer present (SelectorManager, 
TcpConnection and others), and many of the diffs are generated from older 
versions of the files.  How much work to clean things up so it applies cleanly 
to the trunk?

> Migrate to slf4j from log4j in cassandra code
> ---------------------------------------------
>
>                 Key: CASSANDRA-625
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-625
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>         Environment: all
>            Reporter: gabriele renzi
>            Priority: Minor
>             Fix For: 0.7
>
>         Attachments: CASSANDRA-625.patch
>
>
> currently code generated from thrift uses slf4j while cassandra uses raw 
> log4j. 
> There are various level in which this can be changed: 
> * simply switch log4j loggers with slf4j logger (done in patch)
> * replacing log4j-isms (e.g. string concatenation+isFooEnabled in all code 
> paths) with slf4j-isms (marker string + additional arguments)
> * remove code that is already available for lsf4j (LogUtils.java, I believe 
> is unnecessary)
> I am posting this as a reminder, I have a half baked patch locally but it 
> needs more work 

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