Those are warnings, and should not break the build (unless maybe you use -strict).
Ideally the GWT compiler should be run with java 8, but you can compile (JavaC) your classes with java 7 and deploy gwt-servlet to a 1.7 JVM. -- You received this message because you are subscribed to the Google Groups "GWT Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/google-web-toolkit. For more options, visit https://groups.google.com/d/optout.
