title: Warning when deploying JBPM 5.3 to JBoss 7.1.1
body: <p>When I deploy my app with JBPM to JBoss I get following warning:</p>
  
  <pre><code> 07:43:30,597 WARN  [org.jboss.as.server.deployment] (MSC service thread 1-1) JBAS015893: Encountered invalid class name 'org.xmlpull.mxp1.MXParser,org.xmlpull.mxp1_serializer.MXSerializer' for service type 'org.xmlpull.v1.XmlPullParserFactory'
  </code></pre>
  
  <p>This class comes from the transitive dependency smack-3.0.4 of jbpm-human-task.</p>
  
  <p>The question is should I worry (I don't see any problems at the moment) how can I avoid this warning?
  And what does this warning mean?</p>
  
  <p>Kind regards</p>
  
  <p>Christian</p>