Partial review, must get food.
http://gwt-code-reviews.appspot.com/924801/diff/2001/3051 File user/src/com/google/gwt/requestfactory/client/impl/EntityCodex.java (right): http://gwt-code-reviews.appspot.com/924801/diff/2001/3051#newcode115 user/src/com/google/gwt/requestfactory/client/impl/EntityCodex.java:115: This doesn't seem like it would handle nulls in collections properly, since you'll return "null" http://gwt-code-reviews.appspot.com/924801/show -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
