The JDO API Head version is not JDK 1.3 compatible.
Checkout the below exception. I'm not sure if I should file JIRA issues. java.lang.NoClassDefFoundError: java.util.Currency at javax.jdo.spi.JDOImplHelper.class$(JDOImplHelper.java:552) at javax.jdo.spi.JDOImplHelper.<clinit>(JDOImplHelper.java:552) at javax.jdo.identity.ObjectIdentity$1.run(ObjectIdentity.java:49) at java.security.AccessController.doPrivileged(Native Method) at javax.jdo.identity.ObjectIdentity.<clinit>(ObjectIdentity.java:45) at java.lang.Class.forName1(Native Method) at java.lang.Class.forName(Class.java:142) at org.jpox.metadata.MetaDataManager.class$(MetaDataManager.java:1026) at org.jpox.metadata.MetaDataManager.isClassWithoutMetaData(MetaDataManager.java:1021) at org.jpox.metadata.MetaDataManager.getMetaDataForClassOrInterface(MetaDataManager.java:361) at org.jpox.metadata.MetaDataManager.getMetaDataForClass(MetaDataManager.java:324) at org.jpox.metadata.ClassMetaData.populate(ClassMetaData.java:420) at org.jpox.metadata.MetaDataManager.populateClassesInFile(MetaDataManager.java:635) at org.jpox.enhancer.conf.JDOConfigManager.parseAndRegisterFile(JDOConfigManager.java:60) at org.jpox.enhancer.GeneratorBase.readJDOConfig(GeneratorBase.java:1307) at org.jpox.enhancer.JPOXEnhancer.main(JPOXEnhancer.java:249) Exception in thread "main"
