Actually, time to look beyond the whole Java ecosystem.
After the claims Oracle made during the Google trial (such as APIs and method signatures being patent-able), it is clear that one can't work on the Java platform without infringing Oracle's IP. If Oracle doesn't sue you now, it can sue you when it makes financial sense to do so.
.Net looks like a much better alternative, with a patent pledge and ECMA standardization. Although to be fair, Microsoft is still a supporter of patent lobbies.
After the claims Oracle made during the Google trial (such as APIs and method signatures being patent-able), it is clear that one can't work on the Java platform without infringing Oracle's IP. If Oracle doesn't sue you now, it can sue you when it makes financial sense to do so.
.Net looks like a much better alternative, with a patent pledge and ECMA standardization. Although to be fair, Microsoft is still a supporter of patent lobbies.