throw new ActionException("Task no longer in progress");
}
final ObjectAdapter object = context.getMappedObject(idString);
final ObjectSpecification specification = object.getSpecification();
final OneToManyAssociation field = (OneToManyAssociation) specification.getAssociation(collectionField);
final AddItemToCollectionTask addTask = new AddItemToCollectionTask(context, object, field);
context.addTaskCrumb(addTask);
request.forward(ForwardRequest.task(addTask));
}