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Struts & Hibernate
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| | | - Single EntityManager | - Single EntityManager 2007-07-18 - By yoav200
Back
Hello,
i have a webapp build with seam,ejb3 and jsf.
in the application i have several different action to manipulate the DB.
not only from the webclient (browser) but from web services.
my broblem is that if a web service changed some thing it doesn't reflect on
the web (the DB has chaged).
i have printed the id of the entetyManager (hashcode) and i'm getting a
different one for each request.
my entityManager is injected using seam.
this is a big issue for me since i have wrong data in my web.
here is my persistence.xml:
| <?xml version="1.0" encoding="UTF-8 (See http://UTF-8.ora-code.com)"?>
| <persistence xmlns="http://java.sun.com/xml/ns/persistence"
| xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.0"
| xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun
.com/xml/ns/persistence/persistence_1_0.xsd">
|
| <persistence-unit name="account">
| <jta-data-source>java:/jdbc/wml</jta-data-source>
| <properties>
| <property name="jboss.entity.manager.factory.jndi.name"
| value="java:/wmlEntityManagerFactory" />
| <property name="hibernate.dialect"
| value="org.hibernate.dialect.MySQLInnoDBDialect  " />
| </properties>
| </persistence-unit>
|
| </persistence>
|
and here is my components.xml:
| ....
| <component name="wmlEntityManager"
| class="org.jboss.seam.core.ManagedPersistenceContext" auto-create="true">
| <property name="persistenceUnitJndiName">java:/wmlEntityManagerFactory<
/property>
| </component>
| .....
|
and the DAO:
| ....
| @(protected)("genericDao")
| public abstract class GenericDaoImpl<T> implements GenericDao<T> {
|
| @(protected)(value="wmlEntityManager")
| EntityManager em;
|
| public T get(Serializable id) {
| return em.find(getPersistentClass(), id);
| }
| ......
|
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&p=4065340#4065340
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