[rules-users] Re: drools-solver -- logger error (slf4j binding)?

[Geoffrey De Smet]

Adding the slf4j-log4j12 dependency to your pom.xml should fix it :)

         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
             <scope>runtime</scope>
         </dependency>

Not sure how changing anything in drools-solver-examples could fix it, 
normally your project wouldn't depend on it, only on drools-solver-core.

With kind regards,
Geoffrey De Smet


Greg Barton schreef:
> I was getting the error below running the benchmarkNQueens.sh script in drools-solver-examples.  I got around it by taking the "<scope>runtime</scope>" line out of the slf4j-log4j12 dependency in drools-solver-examples/pom.xml.  Not sure if that's the right way to get around it, but it worked. :)
> 
> --- On Fri, 2/13/09, Geoffrey De Smet <ge0ffrey.spam at gmail.com> wrote:
> 
>> From: Geoffrey De Smet <ge0ffrey.spam at gmail.com>
>> Subject: [rules-users] Re: drools-solver -- logger error (slf4j binding)?
>> To: rules-users at lists.jboss.org
>> Date: Friday, February 13, 2009, 1:04 AM
>> drools-score (like hibernate and many other lib projects)
>> just depends on sl4j-api, which is a logging interface.
>> It's up to the end-use product to decide which logging
>> implementation to use under that and how to configure the
>> logging (where to log to, how much to log, ...).
>>
>> In the drools solver examples I 've put slf4j-log4j
>> underneat it, because I am familiar with log4j's
>> configuration, take a look at their log4j.xml files. However
>> they say that the logback implementation is better these
>> days.
>>
>>
>> PS: I 'll take a look at the other discussions this
>> afternoon.
>>
>> With kind regards,
>> Geoffrey De Smet
>>
>> Andrew Waterman schreef:
>>> Hi,
>>>
>>> I'm using the drools-solver.M5 build through Maven
>> and have gotten the following error while running my
>> project:
>>> SLF4J: Failed to load class
>> "org.slf4j.impl.StaticLoggerBinder".
>>> SLF4J: See
>> http://www.slf4j.org/codes.html#StaticLoggerBinder for
>> further details.
>>> I've checked my dependency graph, and
>> drools-solver references the sl4j-api, but no
>> implementation.  I checked the mvnrepository, and there are
>> several other slf4j related projects.  What is the preferred
>> binding for JDK1.6?
>>> best wishes,
>>>
>>> Andrew
>>>
>>> ---------------------------------
>>> Andrew Waterman
>>> San Cristóbal de las Casas, Chiapas, Mexico
>>> +52 1 967 107 5902
>>> +1 510 342 5693
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
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