Hi,
Here is my primary key class :
public class ProductPK implements java.io.Serializable {
/*
* Note that the primary key fields must be a
* subset of the the container-managed Bean fields.
* The fields we are marking as container-managed in
* our Bean are productID, name, desc, and basePrice.
* Therefore our PK fields need to be from that set.
*/
public String productID;
public ProductPK(String productID) {
this.productID = productID;
}
public ProductPK() {
}
public String toString() {
return productID.toString();
}
public int hashCode()
{
return productID.hashCode();
}
public boolean equals(Object prod)
{
return ((ProductPK)prod).productID.equals(productID);
}
}
As you can see , it is a valid compound PK class.
For the querry, the only querry I could think of that would match the one in the
exception is the following from the ejb-jar.xml file :
<query-method>
<method-name>findAllProducts</method-name>
<method-params />
</query-method>
<ejb-ql>SELECT OBJECT (a) FROM ProductBean AS a WHERE a.productId IS NOT
NULL</ejb-ql>
The select clause does select Object (a)
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