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From Grant Ingersoll <>
Subject Re: Solr Logging
Date Tue, 22 Apr 2008 15:56:37 GMT
Not too mention SolrJ uses commons-logging, so as it stands now Solr  
uses two different logging mechanisms.

On Apr 22, 2008, at 11:47 AM, Grant Ingersoll wrote:

> Anyone have good tips on working w/ java.util.logging (JUL)?  For  
> one, the configuration seems to be per JVM, which isn't all that  
> useful in a webapp environment.

>  has some tips for Tomcat, but I am using Jetty.  Not too mention,  
> it seems, that if one wants to implement their own Handler, they  
> have to somehow figure out how to get it in the right classloader,  
> since the JVM classloader can't seem to find it if it is packaged in  
> a WAR.
> I know logging is sometimes a religious debate, but would others  
> consider a patch that switched Solr to use log4j?  Or, commons- 
> logging?  I just don't think JUL is up to snuff when it comes to  
> logging.  It's a PITA to configure, is not flexible, doesn't play  
> nice with other logging systems and, all in all, just seems like  
> crappy design by committee where the lowest common denominator won  
> out.
> The switch is quite painless, and the former offers a lot more  
> flexibility, while the latter allows one to plugin whatever they see  
> fit.  I will work up a patch so people can at least see the options.
> Cheers,
> Grant

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