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Message-ID: <1b5bfeb50807060302p30d6b89dn371ffec734587a8a@mail.gmail.com>
Date: Sun, 6 Jul 2008 12:02:33 +0200
From: "Jacek Laskowski" <jacek@laskowski.net.pl>
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To: user@geronimo.apache.org
Subject: Re: error writing tuple to database "the owning entity is not mapped"
 geronimo 2.1.1
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On Sun, Jul 6, 2008 at 11:34 AM, Mario Kofler <mario.kofler@gmail.com> wrote:
>

Hi Mario,

Let's make it simpler by removing some unneeded, defaulted
configuration values in your sample.

> <persistence xmlns="http://java.sun.com/xml/ns/persistence"
>             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>             xsi:schemaLocation="http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"
>             version="1.0">
>  <persistence-unit name="valhalla" transaction-type="JTA">

Hint: you may remove transaction-type as it's JTA in managed
environment like Geronimo.

>    <description>videothek</description>
>    <provider>org.apache.openjpa.persistence.PersistenceProviderImpl</provider>

Provider defaults to openjpa in Geronimo. You may remove it.

>    <class>vt.bean.entity.Person</class>
>    <class>vt.bean.entity.Actor</class>
>    <class>vt.bean.entity.Director</class>
>    <class>vt.bean.entity.Movie</class>
>    <class>vt.bean.entity.Dvd</class>

Not needed in managed environment like Geronimo. It makes things run
faster - no need to look for annotated classes, but am not sure if we
don't do this even though the class elements are specified.

Also, you showed Person entity class, but what about the rest? Either
remove them and let's play with a single entity only and add more
later or show all of them as I think the issue might be in the others.

>    <properties>
>
>      <property name="openjpa.jdbc.DBDictionary" value="postgres"/>
>      <!--property name="openjpa.LockManager" value="pessimistic"/-->
>    </properties>
>    <jta-data-source>jdbc/postgres</jta-data-source>
>    <non-jta-data-source>jdbc/postgres</non-jta-data-source>

I think *data-source should be before properties element. Geronimo
should really be more strict.

> @Entity
> @Table(name="person")
> @Inheritance(strategy=InheritanceType.JOINED)
> @DiscriminatorColumn(name="role", discriminatorType=DiscriminatorType.STRING)

discriminatorType is defaulted to STRING.

> @DiscriminatorValue("P")
> public class Person implements java.io.Serializable
> {
>    private int id;
>    private String name;
>    private Calendar birthdate;
>    private String origin;
>
>    @Id
>    @GeneratedValue
>    public int getId()
>    {
>        return id;
>    }
>
>    public void setId(int id)
>    {
>        this.id = id;
>    }
>
>    public String getName()
>    {
>        return name;
>    }
>
>    public void setName(String name)
>    {
>        this.name = name;
>    }
>
>    @Temporal(TemporalType.DATE)
>    public Calendar getBirthdate()
>    {
>        return birthdate;
>    }

I think that's the issue - @Temporal. According to the spec - JSR 220:
Enterprise JavaBeansTM,Version 3.0 Java Persistence API - page 234:

<xsd:simpleType name="temporal-type">
<xsd:annotation>
<xsd:documentation>
public enum TemporalType {
DATE, // java.sql.Date
TIME, // java.sql.Time
TIMESTAMP // java.sql.Timestamp
}
</xsd:documentation>
</xsd:annotation>
<xsd:restriction base="xsd:token">
<xsd:enumeration value="DATE"/>
<xsd:enumeration value="TIME"/>
<xsd:enumeration value="TIMESTAMP"/>
</xsd:restriction>
</xsd:simpleType>

so Calendar seems to not be accepted for @Temporal annotation. Change
the return type of the getter.

I think the Person entity is not mapped correctly and when you run
your sample you are off the error messages which tell you the Person
entity could not be mapped.

Jacek

-- 
Jacek Laskowski
Notatnik Projektanta Java EE - http://www.JacekLaskowski.pl