**[Arjen Poutsma](https://jira.spring.io/secure/ViewProfile.jspa?name=arjen.poutsma)** opened **[SWS-311](https://jira.spring.io/browse/SWS-311?redirect=false)** and commented To be able to change the JMSMessage properties on the client side in a callback, the message needs to be constructed before onSendBeforeWrite(). --- **Affects:** 1.5 M1, 1.5 M2, 1.5 RC1 **Referenced from:** commits https://github.com/spring-projects/spring-ws/commit/e36a840eb31101e80c3453be5aa6aa3f27f60d38