Add clustering externalizers for common JDK abstract classes ------------------------------------------------------------ Key: WFLY-9497 URL: https://issues.jboss.org/browse/WFLY-9497 Project: WildFly Issue Type: Feature Request Components: Clustering Affects Versions: 11.0.0.Final Reporter: Paul Ferraro Assignee: Paul Ferraro Fix For: 12.0.0.Alpha1 A number of JDK objects are common in a web session, where the implementation class is private or unimportant. Our current ObjectTable implementation chooses its externalizer based on the implementation class, so some modifications are required to accept externalizers whose target class is abstract. e.g. TimeZone, ZoneId, Calendar