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  1. Jenkins
  2. JENKINS-18314

Possible incompatibility between jffi-1.2.7 and jruby 1.6.5 as shipped with ruby-runtime plugin

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      After upgrading to Jenkins 1.518 (from 1.517) last night, the ruby-runtime plugin disappeared from the list of installed plugins. Attempting to reinstall the plugin fails, and results in a stack trace ending with:

      Caused by: org.jruby.embed.EvalFailedException: java.lang.IncompatibleClassChangeError: Found class com.kenai.jffi.InvocationBuffer, but interface was expected

      A little googling suggests that this is a backwards incompatibility between jruby and more recent versions jffi.

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              jorgenpt Jørgen Tjernø
              sbussetti steve bussetti
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