s:convertEntity fails with an java.lang.IllegalArgumentException: Unknown entity: my.Entity_$$_javassist_3 ---------------------------------------------------------------------------------------------------------- Key: JBSEAM-1744 URL: http://jira.jboss.com/jira/browse/JBSEAM-1744 Project: JBoss Seam Issue Type: Bug Components: Core Affects Versions: 2.0.0.BETA1 Environment: EJB3, Seam 2.0.0.BETA1, Hibernate Reporter: Matthias M. Assigned To: Pete Muir Priority: Trivial Fix For: 2.0.0.CR1 Time Spent: 2 minutes Remaining Estimate: 5 minutes <s:convertEntity/> fails on 'getAsObject' with an IllegalArgumentException The code which is responsible for this bug is identified : The method forClass(...) returns a new Entity with the given parameter set - should be the correctly resolved 'entityClass'. <code> public class Entity extends Model { .......... public static Entity forClass(Class clazz) { if ( !Contexts.isApplicationContextActive() ) { throw new IllegalStateException("No application context active"); } Class entityClass = Seam.getEntityClass(clazz); if (entityClass==null) { throw new IllegalArgumentException("Not an entity class: " + clazz.getName()); } String name = getModelName(entityClass); Model model = (Model) Contexts.getApplicationContext().get(name); if ( model==null || !(model instanceof Entity) ) { Entity entity = new Entity(clazz); Contexts.getApplicationContext().set(name, entity); return entity; } else { return (Entity) model; } } ............. </code>