Excluding unnecessary dependencies of Log4j 1.2.15

Log4J is a widely used logging library for Java. With the release of version 1.2.15, some dependencies were introduced that are not deemed necessary by some people [1]. The developers did not – for what ever reason – mark these dependencies as optional, even though they were not available in some common Maven repositories.

The following snippet demonstrates how to exclude transitive dependencies in Maven, applied to the case study of the transitive dependencies com.sun.jmdk:jmxtools and com.sun.jmx:jmxri.

Links

  • [1] Mailing list entry stating that some dependencies are unnecessary
  • [2] Maven reference: Optional dependencies and exclusions

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