[slf4j-user] slf4j with logback?

[Robert Elliot]

Use logback 0.9.30, not 0.9.9 - 0.9.9 is ancient. 0.9.30 works with the latest slf4j. 



On 7 Oct 2011, at 03:25, Ole Ersoy <ole.ersoy at gmail.com> wrote:

> Hi,
> 
> I think the solution is to just include the logback-0.9.9 dependency version, like this:
> 
> <!--
>        <dependency>
>            <groupId>org.slf4j</groupId>
>            <artifactId>slf4j-api</artifactId>
>            <type>jar</type>
>            <version>1.6.2</version>
>        </dependency>
> -->
>        <dependency>
>            <groupId>ch.qos.logback</groupId>
>            <artifactId>logback-classic</artifactId>
>            <type>jar</type>
>            <version>0.9.9</version>
>        </dependency>
> 
> Now I get the following transitive dependencies:
> 
> [INFO] +- ch.qos.logback:logback-classic:jar:0.9.9:compile
> [INFO] |  +- ch.qos.logback:logback-core:jar:0.9.9:compile
> [INFO] |  \- org.slf4j:slf4j-api:jar:1.5.0:compile
> 
> This seems contradictory to what the "Baby Steps" in the user manual has though:
> http://logback.qos.ch/manual/introduction.html
> 
> The baby steps indicate that we should be running with slf4j 1.6.2.  Thoughts?
> 
> Cheers,
> - Ole
> 
> 
> 
> On 10/06/2011 09:11 PM, Ole Ersoy wrote:
>> Hi,
>> 
>> I'm attempting to use slf4j with logback. I see the following when I
>> start tomcat:
>> 
>> SLF4J: slf4j-api 1.6.x (or later) is incompatible with this binding.
>> SLF4J: Your binding is version 1.5.5 or earlier.
>> SLF4J: Upgrade your binding to version 1.6.x. or 2.0.x
>> 
>> I'm using the following version of slf4j and logback:
>> 
>> [INFO] +- org.slf4j:slf4j-api:jar:1.6.2:compile
>> [INFO] +- ch.qos.logback:logback-classic:jar:0.9.9:compile
>> [INFO] | \- ch.qos.logback:logback-core:jar:0.9.9:compile
>> 
>> I also get the exception pasted at the bottom of this email. I read up
>> on it and hibernate, ran mvn dependency:tree, and looked for other slf4j
>> versions. I did not find any. I do have a dependency on JCL though. Any
>> ideas on what the problem could be?
>> 
>> TIA,
>> - Ole
>> 
>> org.springframework.beans.factory.BeanCreationException: Error creating
>> bean with name
>> 'org.springframework.validation.beanvalidation.LocalValidatorFactoryBean#0':
>> Invocation of init method failed; nested exception is
>> java.lang.NoSuchMethodError:
>> org.slf4j.impl.StaticLoggerBinder.getSingleton()Lorg/slf4j/impl/StaticLoggerBinder;
>> 
>> at
>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1420)
>> 
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