javaee_web_services_metadata_handler.xsd v2.0.1 11/09/2007 Copyright 2004-2007 BEA Systems, Inc. The handler-chains element is the root element for defining handlerchains. The Web Services Metadata for the Java Platform (JSR-181), Version 2.0 specification defines the @javax.jws.HandlerChain annotation that refers to an XML descriptor conforming to this schema.