I think Jave 7 and JRE7 is fine. Java 6 is out of public support since Feb 2013:
https://blogs.oracle.com/henrik/entry/java_6_eol_h_h Christian -- You received this message because you are subscribed to the Google Groups "GWT Contributors" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/google-web-toolkit-contributors/652f542f-78f6-468f-ba10-969324d811b2%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
