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https://issues.apache.org/jira/browse/SOLR-3979?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ryan McKinley updated SOLR-3979:
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Attachment: log4j-solr-stuff.zip
here are some implementations of the LogWatcher that work for log4j
these were included in the main distribution, but since it makes for a weird
compile/test classpath, they were removed. I think there is a vague plan to
switch to log4j as the default provider but no activity there...
> slf4j bindings other than jdk -- cannot change log levels
> ---------------------------------------------------------
>
> Key: SOLR-3979
> URL: https://issues.apache.org/jira/browse/SOLR-3979
> Project: Solr
> Issue Type: Bug
> Affects Versions: 4.0
> Reporter: Shawn Heisey
> Fix For: 4.1
>
> Attachments: log4j-solr-stuff.zip
>
>
> Once I finally got log4j logging working, I was slightly surprised by the
> message related to SOLR-3426. I did not really consider that to be a big
> deal, because if I want to look at my log, I'll be on the commandline anyway.
> I was even more surprised to find that I cannot change any of the log levels
> from the admin gui. My default log level is WARN for performance reasons,
> but every once in a while I like to bump the log level to INFO to
> troubleshoot a specific problem, then turn it back down. This is very easy
> with jdk logging in either 3.x or 4.0. I changed to log4j because it easily
> allows me to put the date of a log message on the same line as the first line
> of the actual log message, so when I grep for things, I have the timestamp in
> the grep output.
> Currently the only way for me to change my log level is by updating
> log4j.properties and restarting Solr. If the capability to figure this out
> on a class-by-class basis isn't there with log4j, I would at least like to be
> able to set the root logging level. Is that possible?
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