title: org.codehaus.plexus.archiver.jar.Manifest.merge(org.codehaus.plexus.archiver.jar.Manifest)
body: <p>This godforsaken error in eclipse won't die.  I've tried everything mentioned here and elsewhere to get rid of it, but it won't go away and now I can't use the web service utility in eclipse because it complains about this "problem", which apparently isn't really a problem, but it is with m2e, which for the most part is useful.</p>
  
  <p>First off, the error message, if you can call it that, is not very helpful.  Whichever component generates that, could you produce something more meaningful?</p>
  
  <p>Anyway, I've tried deleting the problems in eclipse, but they only come back.  I've re-worked poms and updated the versions of the maven-ear-plugin to 2.3.2, all to no avail (and seriously, wouldn't that just be trying to skirt the real issue?).  I've tried creating and updating a lifecylcle-mapping-metadata.xml file to ignore the org.codehaus.plexus -> plexus-archiver -> manifest goal.  Nothing works.</p>
  
  <p>What exactly is causing this message and what is the RIGHT way to diagnose the underlying cause and then solve it?  Any insight would be most greatly appreciated.</p>