wildfly/wildfly — pull request #5398 by jamezp (2013-11-01 21:52:15+00:00)
Title: [WFLY-2425] Update slf4j version to forked version with concurrency fix

I've never seen this issue on WildFly, but it shows up in EAP generally in domain mode. Might as well use the patched version in WildFly too.