Oct 31st 2008- DataNucleus Access Platform 1.1 ("Rutherford") Milestone 2 is released. DataNucleus Access Platform provides persistence and retrieval of Java objects to/from a wide range of datastores including RDBMS, db4o, LDAP, XML, and Excel. It continues from the Java Persistent Objects (JPOX) project. Version 1.1 Milestone 2 includes the following changes

• Upgrade to ASM 3.1
• Upgrade to db4o 7.4 java5
• Upgrade to JDO2.2 final
• Provide an API for datastore replication for JDO and JPA
• Improvements to L2 caching to fix problems with objects being garbage collected and returning old version of objects
• Fixes to how fields are marked as loaded
• Fix to handling of collections with non-RDBMS datastores so they aren't treated as serialised
• Improvement to detach flag DETACH_UNLOAD_FIELDS to also remove the values from the object
• Fix SQL syntax for non-ANSI joins (e.g Oracle 8i)
• Remove support for NucleusSQL for RDBMS datastores
• Support for sequences with H2 datastore
• Extend RDBMS "update lock" to also apply to object existence check
• Fix to handling of URLs with DB4O plugin
• Fix to JPA handling of PostLoad callbacks
• Fix to LDAP plugin so that the existence check doesnt retrieve any attributes
• Fix to handling of XMLIdRef annotation with XML plugin

This release is downloadable under an Apache 2 license from the DataNucleus community site.