basho/riak-java-client — pull request #248 by broach (2013-06-18 20:28:51+00:00)
Title: Fixed storing POJO with null key

Removed the checks for @RiakKey annotated fields being null.

StoreObject.execute() will now throw an IllegalArgumentException if
there's a null key and withoutFetch() has not been specified.

Fixes #245