You need to use the JDK and not the JRE. You need to make sure you created a Java 8 Codename One project and not a Java 5 project.
-- You received this message because you are subscribed to the Google Groups "CodenameOne Discussions" group. To unsubscribe from this group and stop receiving emails from it, send an email to codenameone-discussions+unsubscr...@googlegroups.com. Visit this group at https://groups.google.com/group/codenameone-discussions. To view this discussion on the web visit https://groups.google.com/d/msgid/codenameone-discussions/cfe5214a-3900-47b9-af0a-52415f2d50a5%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.