**[Oleg Zhurakousky](https://jira.spring.io/secure/ViewProfile.jspa?name=oleg.zhurakousky@springsource.com)** opened **[INT-2148](https://jira.spring.io/browse/INT-2148?redirect=false)** and commented see discussion in this PR https://github.com/SpringSource/spring-integration/pull/78/files#r140610 --- **Affects:** 2.1 M1 This issue is a sub-task of #6135 **Issue Links:** - #5123 Add locking strategy to AbstractMessageGroupStore (_**"is superseded by"**_)