+++ This bug was initially created as a clone of Bug #816610 +++ Please build ER2 with the patched version of EAP 5.1.2 that has the support for JDK7.
run.jar patches have been applied to be picked up by next BRMS/SOA builds.
The fixed for this issue should be included in ER7. Please do verification on it.
ER7 is able to start up with JDK7, which means this is VERIFIED.