I've done an upgrade from JaseperServer version 4.5.0 to version 4.7 when I try to access from jaspermobile app for Android I get this error. 2012-09-19 17:08:36,782 ERROR RESTServlet,http-8080-5:222 - Error executing a REST service java.lang.ClassCastException: com.jaspersoft.jasperserver.api.metadata.common.domain.ResourceReference cannot be cast to com.jaspersoft.jasperserver.api.metadata.xml.domain.impl.ResourceDescriptor