Hello. I am trying to make my first composite-id mapping file and I get an InvalidMappingException when i call the configure method in the Configure class.
I have 2 tables: Stock and StockPrice, here is the definition in postgresql:
Code:
CREATE TABLE stock
(
id serial NOT NULL,
symbol varchar(20) NOT NULL,
CONSTRAINT pk_stock PRIMARY KEY (id)
)
CREATE TABLE stockprice
(
date date NOT NULL,
stockid int4 NOT NULL,
price numeric(12,5) NOT NULL,
CONSTRAINT pk_stockprice PRIMARY KEY (date, stockid),
CONSTRAINT fk_stockprice__stock FOREIGN KEY (stockid)
REFERENCES stock (id) MATCH SIMPLE
ON UPDATE RESTRICT ON DELETE RESTRICT
)
I created the Stock, StockPrice and StockPricePK classes with a default constructor, the getters and setters methods, override equals and hashCode and StockPrice implements Serializable. Here is the mapping files for both classes:
Stock.hbm.xml:
Code:
<hibernate-mapping>
<class name="Stock" table="stock">
<id name="_id" column="id">
<generator class="sequence">stock_id_seq</generator>
</id>
<property name="_symbol" column="symbol" not-null="true" unique="true" />
<map name="_prices" lazy="true">
<key column="date" />
<one-to-many column="stockid" class="domain.StockPrice" />
</map>
</class>
</hibernate-mapping>
StockPrice.hbm.xml:
Code:
<hibernate-mapping>
<class name="StockPrice" table="stockprice">
<composite-id class="domain.StockPricePK">
<key-property name="_date" column="date"/>
<key-many-to-one name="_stockId" column="stockid" class="domain.Stock"/>
</composite-id>
<property name="_price" column="price" not-null="true" />
</class>
</hibernate-mapping>
This is the code i am using to create the session factory:
Code:
public static SessionFactory getSessionFactory()
{
if(_sessionFactory == null)
{
Configuration configuration = new Configuration().configure();
_sessionFactory = configuration.buildSessionFactory();
}
return _sessionFactory;
}
This is the line where the exceptino is throwed:
Configuration configuration = new Configuration().configure();
The exception stacktrace is the following:
org.hibernate.InvalidMappingException: Could not parse mapping document from resource domain/StockPrice.hbm.xml
org.hibernate.cfg.Configuration.addResource(Configuration.java:523)
org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1511)
org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1479)
org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1458)
org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1432)
org.hibernate.cfg.Configuration.configure(Configuration.java:1352)
org.hibernate.cfg.Configuration.configure(Configuration.java:1338)
helper.HibernateHelper.getSessionFactory(HibernateHelper.java:21)
servlet.TestServlet.doGet(TestServlet.java:29)
javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
I am using jdk 1.4.2 and Hibernate 3 with postgresql 8.0. Here is the hibernate.cfg.xml:
Code:
<hibernate-configuration>
<session-factory>
<property name="connection.datasource">java:/comp/env/jdbc/hibernateDB</property>
<property name="dialect">org.hibernate.dialect.PostgreSQLDialect</property>
<property name="show_sql">false</property>
<mapping resource="domain/StockPrice.hbm.xml" />
<mapping resource="domain/Stock.hbm.xml" />
</session-factory>
</hibernate-configuration>
I hope you can help me.
Regards
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