OPENJPA-1631: Add synchronization to AnnotationPersistenceXMLMetaDataParser.parse() method to make it thread safe - back ported to 1.2.x Rick Curtis' trunk changes.
openjpa/branches/1.2.x/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/AnnotationPersistenceXMLMetaDataParser.java