Onejar-maven-plugin to set the order of jar loading - maven

Question

I've been using the library apache-log4j-extras for logging. It contains class org.apache.log4j.Logger.
Now I had to reference some 3rd party library, that uses logback and has among its dependencies log4j-over-slf4j (jar). Unfortunately, latter jar also contains class org.apache.log4j.Logger.
Looks like the latter class is preferred by the onejar classloader...
I don't need logback and log4j-over-slf4j. Just want my org.apache.log4j.Logger from apache-log4j-extras back. What are my options with the Onejar-maven-plugin?
EDIT: It appeared to be an issue with Debug mode in IDEA, not with onejar. However the question is still relevant: how can I ensure that I load the requried class with Onejar?
EDIT2: E.g. in C# it could be easily resolved with "extern alias" feature.

Answer 1

why don't you just exclude it?
<dependency>
<groupId>my.naughty.thirdparty</groupId>
<artifactId>thirdparty-with-log4j-over-slf4j</artifactId>
<version>${thirdparty.version}</version>
<exclusions>
<exclusion>
<groupId>org.slf4j</groupId>
<artifactId>log4j-over-slf4j</artifactId>
</exclusion>
</exclusions>
</dependency>

Answer 2

Looks like (for Debug mode in IDEA) just switching depenencies order solved the issue.
How it was:
<dependency>
<groupId>my.naughty.thirdparty</groupId>
<artifactId>thirdparty-ref-log4j-over-slf4j</artifactId>
<version>0.50</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>apache-log4j-extras</artifactId>
<version>1.1</version>
</dependency>
Changed to:
<dependency>
<groupId>log4j</groupId>
<artifactId>apache-log4j-extras</artifactId>
<version>1.1</version>
</dependency>
<dependency>
<groupId>my.naughty.thirdparty</groupId>
<artifactId>thirdparty-ref-log4j-over-slf4j</artifactId>
<version>0.50</version>
</dependency>
But surely I can't consider it as a robust solution, especially for Onejar.