User development, A new message was posted in the thread "Occasional exceptions out of SOAPAddressingPropertiesImpl.writeHeaders": http://community.jboss.org/message/523858#523858 Author : Richard Opalka Profile : http://community.jboss.org/people/richard.opalka@jboss.com Message: -------------------------------------------------------------- Hi Andrew,      you need to have lib/endorsed/jbossws-native-factories.jar on the classpath. It defines all the factories.   Richard -------------------------------------------------------------- To reply to this message visit the message page: http://community.jboss.org/message/523858#523858