org.jboss.ws.core.CommonSOAPFaultException: ... XML document structures must start and end within the same entity in JBoss EAP 5

Issue

• We are seeing this error logged in your server when our Axis client is calling JBoss Web Services:

2013-06-21 10:45:33,721 ERROR [STDERR] (http-172.31.251.102-8080-95) [Fatal Error] :4:2336: XML document structures must start and end within the same entity.
2013-06-21 10:45:33,721 ERROR [org.jboss.ws.core.jaxws.SOAPFaultHelperJAXWS] (http-172.31.251.102-8080-95) SOAP request exception
org.jboss.ws.core.CommonSOAPFaultException: org.xml.sax.SAXParseException; lineNumber: 4; columnNumber: 2336; XML document structures must start and end within the same entity.
        at org.jboss.ws.core.soap.EnvelopeBuilderDOM.build(EnvelopeBuilderDOM.java:99)
        at org.jboss.ws.core.soap.MessageFactoryImpl.createMessage(MessageFactoryImpl.java:294)
        ...