This was caused by the fact that I took a Glassfish v2 custom realm and dumped it into a Glassfish v3 environment. Apparently the API has changed (breaking backwards compatibility) which is fine in my case because it turns out I have to implement totally different interfaces for DIGEST.
I just wish that a lot of this stuff was easier to find out. I hate having to dig through the Glassfish v3 source-code (which is hard to find) just to find these things out. I'll let you know if I run into any further questions with the new v3 interfaces...
Thanks!
Gili
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