com.sonyericsson.jenkins.plugins.bfa.model.dbf.ParameterizedTriggerDBF mentions We want to avoid having dependencies to other plugins thus using reflection., that means checking for hudson.plugins.parameterizedtrigger.BuildInfoExporterAction using the current classloader (Class.forName(className)) will never return anything since Jenkins isolate plugins classloaders.

This causes the feature (extract failure from downstream) not to work and produces the following error to be logged:

Jan 19, 2016 7:05:44 PM FINER com.sonyericsson.jenkins.plugins.bfa.model.dbf.ParameterizedTriggerDBF

Class hudson.plugins.parameterizedtrigger.BuildInfoExporterAction not installed. Can't get downstream builds

The following Groovy script (you can paste it in $JENKINS_HOME/script)

jenkins.model.Jenkins.instance.with { jenkins ->
  pluginManager.with {
    final String className = 'hudson.plugins.parameterizedtrigger.BuildInfoExporterAction'

    [getPlugin('build-failure-analyzer').classLoader, uberClassLoader].each {
      try {
        out.println "Attempting to load with ${it}"
        final Class clazz = it.loadClass(className)
        out.println "Loaded from actual classloader: ${clazz.classLoader}"
      } catch (ClassNotFoundException e) {
        out.println "Class not found: ${e.message}"
      }
    }
  }
}
null

shows the following output:

Attempting to load with AntClassLoader[/var/lib/jenkins/plugins/build-failure-analyzer/WEB-INF/lib/jsr305-1.3.9.jar:/var/lib/jenkins/plugins/build-failure-analyzer/WEB-INF/lib/mongo-jackson-mapper-1.4.1.jar:/var/lib/jenkins/plugins/build-failure-analyzer/WEB-INF/lib/build-failure-analyzer.jar:/var/lib/jenkins/plugins/build-failure-analyzer/WEB-INF/lib/persistence-api-1.0.2.jar:/var/lib/jenkins/plugins/build-failure-analyzer/WEB-INF/lib/bson4jackson-1.3.0.jar:/var/lib/jenkins/plugins/build-failure-analyzer/WEB-INF/lib/jackson-core-asl-1.9.6.jar:/var/lib/jenkins/plugins/build-failure-analyzer/WEB-INF/lib/guava-11.0.1.jar:/var/lib/jenkins/plugins/build-failure-analyzer/WEB-INF/lib/jackson-mapper-asl-1.9.6.jar:/var/lib/jenkins/plugins/build-failure-analyzer/WEB-INF/lib/mongo-java-driver-2.11.2.jar]
Class not found: hudson.plugins.parameterizedtrigger.BuildInfoExporterAction
Attempting to load with classLoader hudson.PluginManager$UberClassLoader
Loaded from actual classloader: AntClassLoader[/var/lib/jenkins/plugins/parameterized-trigger/WEB-INF/lib/parameterized-trigger.jar:/var/lib/jenkins/plugins/parameterized-trigger/WEB-INF/lib/xercesImpl-2.9.1.jar]

As you can see, BFA cannot use its own classloader to look for another plugin class even though it is present (which defeats the purpose of announcing bypassing Jenkins dependency resolution).

Could you please consider:

• declaring parameterizedtrigger as optional dependency to make the class available for that DBF to work as intended
• or using another classloader to look for that specific class