Oracle 12c should be removed from unsupported features because it's going to be supported. There are two issues caused by bug/wrong interpretation of date in Oracle Jdbc driver, not EAP/Hibernate. https://bugzilla.redhat.com/show_bug.cgi?id=1009574 https://bugzilla.redhat.com/show_bug.cgi?id=1009498 http://documentation-devel.engineering.redhat.com/docs/en-US/JBoss_Enterprise_Application_Platform/6.2/html-single/6.2.0_Release_Notes/
Mention of Oracle 12c in the list of unsupported features has been removed, as can be confirmed in revision 2.0-11 (or higher) at [1] [1] http://documentation-devel.engineering.redhat.com/docs/en-US/JBoss_Enterprise_Application_Platform/6.2/html-single/6.2.0_Release_Notes/index.html
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