You can find detailed literature regarding this issue, such as Arjen Poutsma personal blog article Spring Web Services FAQ The main problem is that Weblogic 9 and 10 include SAAJ 1.2 interface but SAAJ 1.1 implementation. So, the use of SAAJ 1.2 and SAAJ 1.3 on Weblogic must be set externally. I decided to includeContinue reading “SAAJ 1.3, Weblogic 10 and Spring WS 1.0”