DataNucleus Access Platform 是一个兼容各种标准的 Java 数据持久化框架，完全兼容 JDO1, JDO2, JDO2.1, JDO2.2, JDO2.3, 和 JPA1 等 Java 标准。提供一个基于 REST 的API。通过它可以访问所有常见的数据库服务器，还包括 LDAP, NeoDatis, JSON, Excel/ODF spreadsheets, XML, BigTable, 和 HADOOP 数据库等.
DataNucleus 3.0.8 发布，该版本改进内容：
1. Cascade-attach of arrays of persistables was fixed.
2. The JPA extension feature "findTypeConversion" was fixed.
3. A bug in OSGi class loading for persistence.xml was fixed.
4. Support for sequences with Derby was added.
5. Some other minor improvements were made
下载地址：http://sourceforge.net/projects/datanucleus/
原文地址：http://www.oschina.net/news/26166/datanucleus-3-0-8
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