spring-projects/spring-integration — pull request #1325 by garyrussell (2014-11-20 17:01:13+00:00)
Title: INT-3565 ClassCastException with Proxy and DEBUG

JIRA: https://jira.spring.io/browse/INT-3565

Cast to `IntegrationObjectSupport` fails if the handler is
already proxied in `AbstractSimpleMessageHandlerFactoryBean`.