The RESTful admin API provided by GlassFish 3.0 does not provide all the REST resources that are currently used by the GlassFish 3.1 adapter. Hence, the 3.1 adapter is not backward compatible with a GlassFish 3.0 instance.

Additionally, the message formats returned by the REST resources of GF 3.0 are different from the ones returned by GF 3.1, hence requiring different parsing semantics.

We must therefore implement a separate adapter to support GlassFish 3.0, that either uses the RESTful Admin APIs available in 3.0, or a supported API like JSR-88.