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Date: Fri, 22 Mar 2013 04:55:16 +0000 (UTC)
From: "Ryan McKinley (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
Message-ID: <JIRA.12601393.1344012655678.33016.1363928116512@arcas>
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References: <JIRA.12601393.1344012655678@arcas>
Subject: [jira] [Commented] (SOLR-3706) Ship setup to log with log4j.
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    [ https://issues.apache.org/jira/browse/SOLR-3706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13609931#comment-13609931 ] 

Ryan McKinley commented on SOLR-3706:
-------------------------------------

My question was only about the slf4j-api.jar file *not* any of the implementation jars

If we don't include the -api.jar and there is no logging configured in the container it will crash with a ClassNotFound exception.  If we add the -api.jar file it will write a line to stdout and stderr that say "no logging framework found" and then hide all logging messages.  (this is the default slf4j behavior)


> Ship setup to log with log4j.
> -----------------------------
>
>                 Key: SOLR-3706
>                 URL: https://issues.apache.org/jira/browse/SOLR-3706
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Mark Miller
>            Assignee: Mark Miller
>            Priority: Minor
>             Fix For: 4.3, 5.0
>
>         Attachments: SOLR-3706.patch, SOLR-3706-solr-log4j.patch, SOLR-3706-solr-log4j.patch
>
>
> Currently we default to java util logging and it's terrible in my opinion.
> *It's simple built in logger is a 2 line logger.
> *You have to jump through hoops to use your own custom formatter with jetty - either putting your class in the start.jar or other pain in the butt solutions.
> *It can't roll files by date out of the box.
> I'm sure there are more issues, but those are the ones annoying me now. We should switch to log4j - it's much nicer and it's easy to get a nice single line format and roll by date, etc.
> If someone wants to use JUL they still can - but at least users could start with something decent.

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