select myValues from MyEntity e where e=1

org.hibernate.QueryException: not an entity [select myValues from eg.MyEntity e where e=1]

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
   "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
   "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="eg">
  <class name="MyEntity">
 
    <!-- primary key -->
    <id name="id">
      <generator class="native"></generator>
    </id>
     
    <!-- simple properties -->
    <property name="myProp"></property>

    <!-- collection of value objects -->
    <bag name="myValues" order-by="name asc">
      <key column="myEntity_id"></key>
      <composite-element class="ValueClass">
        <property name="name" />
        <property name="mail" />
      </composite-element>
    </bag>

  </class>
</hibernate-mapping>

select e.myValues from MyEntity e where e=1