MBaseRef mref= Manager.getOfficialMBase(); OJElement ele=mref.getCompleteDCMetadata(id); works, but OJXmlRpcMBaseRef mref=new OJXmlRpcMBaseRef("http://localhost:27000"); OJElement ele=mref.getCompleteDCMetadata(id); throws the exception: 2005-09-28 15:29:34,334 INFO mbase.OJXmlRpcMBaseRef - Starting XML-RPC for Omdoc-Jdom at url http://localhost:27000 2005-09-28 15:29:34,336 INFO lucene.LuceneMBase - -> getCompleteDCMetadata MBase exception: org.jdom.input.JDOMParseException: Error on line 1: required character (found "1") (expected "<") MBaseException : org.jdom.input.JDOMParseException: Error on line 1: required character (found "1") (expected "<") at org.activemath.omdocjdom.mbase.OJXmlRpcMBaseRef.parseStringElement(OJXmlRpcMBaseRef.java:691) at org.activemath.omdocjdom.mbase.OJXmlRpcMBaseRef.getCompleteDCMetadata(OJXmlRpcMBaseRef.java:368)