* GH-3283: HTTP Inbound handle SpEL errors Fixes https://github.com/spring-projects/spring-integration/issues/3283 * Process all the request message preparation exceptions in the provided error channel to let target application to make a decision about an appropriate HTTP status instead of default 500 Server Error * * Rephrase `ResponseStatusException` doc in the http.adoc Co-authored-by: Gary Russell <grussell@vmware.com> Co-authored-by: Gary Russell <grussell@vmware.com>