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Please help me understand what should be included in maven for logging ?

 
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Hi experts,

I have problem in getting the right dependencies in order to use SLF4j with Log4j2.


Based on this URL :


it seems I only need log4j-api and slf4j-api in my pom.xml and in the classpath.  Pleas correct me if I am wrong.

I am now getting error from Tomcat :



Right now, I have these :



Thanks!

 
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Those are just the API (ex: interfaces.) You also need the implementation jar. That's log4j.

It looks like the list you are looking at is the dependencies of log4j rather than log4j itself.
 
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This particular problem is caused by the scope of the log4j-api dependency having been set to provided. It's not provided by any application containers that I know of.

I don't understand why you have so many compile time dependencies on libraries that you only need on the class path at runtime. Try if this works:

 
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