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From "Satheesh Akkinepally (JIRA)" <>
Subject [jira] [Commented] (SOLR-3706) Ship setup to log with log4j.
Date Mon, 18 Mar 2013 13:30:15 GMT


Satheesh Akkinepally commented on SOLR-3706:

We got logback working on our jetty/solr installation. logBack also provides configurable
http access logs (log4j does not have this for jetty) out of the box and it works great with
jetty and solr. But yes for this to work, we had to unwar the solr.war remove the native jdk
logging jar and place the logBack implementation in the war. 
It would be good if we dont have to unwar and war and can use the solr.war out of the box
for any custom logging implementation that we want to use. Also, the web app class loader
seems to ignore the log4j implementation found in the jetty lib if slf4j is available within
the war. 
> Ship setup to log with log4j.
> -----------------------------
>                 Key: SOLR-3706
>                 URL:
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Mark Miller
>            Assignee: Mark Miller
>            Priority: Minor
>             Fix For: 4.3, 5.0
>         Attachments: 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,
> If someone wants to use JUL they still can - but at least users could start with something

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