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  1. Jenkins
  2. JENKINS-24149

LogConfigurationException due to conflicting commons-logging versions

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: Critical Critical
    • swarm-plugin
    • None
    • LTS 1.565.1

      We run a Maven type job using Jenkins version 1.565.1.
      When building on master, the job builds fine.
      When using a swarm client, the job fails with the following error shown in the console log:

      ...
	at org.kohsuke.stapler.Stapler.<clinit>(Stapler.java:1062)
	... 51 more
Caused by: org.apache.commons.logging.LogConfigurationException: org.apache.commons.logging.LogConfigurationException: Invalid class loader hierarchy.  You have more than one version of 'org.apache.commons.logging.Log' visible, which is not allowed. (Caused by org.apache.commons.logging.LogConfigurationException: Invalid class loader hierarchy.  You have more than one version of 'org.apache.commons.logging.Log' visible, which is not allowed.)
	at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:397)
	at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:529)
	... 56 more
Caused by: org.apache.commons.logging.LogConfigurationException: Invalid class loader hierarchy.  You have more than one version of 'org.apache.commons.logging.Log' visible, which is not allowed.
	at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:385)
	... 57 more
channel stopped

            mindjiver Peter Jönsson
            rkok Rene Kok
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              Created:
              Updated:
              Resolved: