> -----Original Message----- > From: Michael Dick [mailto:michael.d.d...@gmail.com] > Sent: Wednesday, July 13, 2011 14:46 > To: users@openjpa.apache.org > Subject: Re: Logging questions > > On Wed, Jul 13, 2011 at 12:00 PM, Jason Pyeron > <jpye...@pdinc.us> wrote: > > > > -----Original Message----- > > > From: Michael Dick [mailto:michael.d.d...@gmail.com] > > > Sent: Wednesday, July 13, 2011 12:53 > > > To: users@openjpa.apache.org > > > Subject: Re: Logging questions > > > > > > It looks like you have the log4j-over-slf4j bridge on your > > > classpath. Or some combination of the different logging > facilities. > > > > It is possible. But my test case does not have it. I will > check deeper > > on this. > > > FWIW, I created a maven project with just commons-logging and > log4j-over-slf4j on the classpath, and got a very similar > error. It sounds like you have a standalone testcase too, is > that something you can send us? >
Will have to work it up clean, as it uses our local db. But that may be moot, see below. > > > > > > > So commons-logging detects log4j and tries to use it. > Log4j tries to > > > delegate to slf4j, but that fails due to the missing > implementation > > > class. > > > > > > Do other parts of your application use log4j or slf4j? If > not, can > > > you remove them from the classpath and try 'just' > > > with commons-logging? > > > > > > > There are legacy parts of the system that were designed for other > > logging frameworks, I do not have permission to modify > those. I will > > need to find a way to force java.util.logging. > > > I think this is more of a commons-logging behavior than > OpenJPA. From looking at the commons-logging > documentation<http://commons.apache.org/logging/commons-loggin g-1.1.1/guide.html#Configuration>it > will look for log4j on the classpath before trying java.util.logging. > > The doc doesn't spell it out, or at least I couldn't find it, > but you can add a commons-logging.properties file to the > classpath. The properties file should have this entry : > org.apache.commons.logging.Log=org.apache.commons.logging.impl > .Jdk14Logger > Bingo. It is a commons-logging issue. I will open a jira ticket up and submit a patch (over the weekend) to update the docs for openjpa adding this example. > In my simple test it looks like it used Jdk4Logging. I don't > know whether it will play well with the legacy parts of your > system, but it's worth a try. > > Hope this helps, > -mike > > <snip> > -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- - - - Jason Pyeron PD Inc. http://www.pdinc.us - - Principal Consultant 10 West 24th Street #100 - - +1 (443) 269-1555 x333 Baltimore, Maryland 21218 - - - -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- This message is copyright PD Inc, subject to license 20080407P00.
