Log4j 2
  1. Log4j 2
  2. LOG4J2-723

SLF4J API classes missing from distribution

    Details

    • Type: Bug Bug
    • Status: Resolved
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: 2.0
    • Fix Version/s: 2.0.2
    • Component/s: None
    • Labels:
      None

      Description

      The page Log4j 2 SLF4J Binding mentions under Usage that...

      Simply include the Log4j 2 SLF4J Binding jar along with the Log4j 2 jars to cause all SLF4J logging to be handled by Log4j 2.

      ...and under Requirements only that...

      The Log4j 2 SLF4J Binding requires at least Java 6 and has a dependency on the Log4j 2 API.

      But this is actually not the case since the API classes from the package org.slf4j.* are not bundled within the binding JAR.

      The solutions could either be to...

      • distribute the slf4j-api-1.x.x.jar along with the Log4J2 distribution (perhaps as log4j-slf4j-api-2.0.jar)
      • package the necessary SLF4J API classes directly into the log4j-slf4j-impl-2.0.jar) (renaming that one then simply to log4j-slf4j-2.0.jar)

      The second solution is how SLF4J handles things, how the description page above describes things and how the Commons Logging binding/bridge is supposed to work (i.e. log4j-jcl-2.0.jar) (see LOG4J2-722)

        Activity

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          People

          • Assignee:
            Remko Popma
            Reporter:
            Holger Stenzhorn
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            Dates

            • Created:
              Updated:
              Resolved:

              Development