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Wareq
 Post subject: CMT/EJB problem -hibernate don't save the object to the base
PostPosted: Mon Aug 27, 2007 9:46 am 
Newbie

Joined: Mon Aug 27, 2007 8:51 am
Posts: 2
use:
Hibernate 3.2
websphere 6.1
MySql 5.0

I have the problem to commit transaction by container. I'm gonna save the pojo database by the hibernate.
the configuration file (hibernate.cfg.xml) looks like below :

Code:
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
<session-factory>
<!-- Basic -->
   <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
   <property name="hibernate.connection.url">jdbc:mysql://localhost/hibernatetutorial</property>
   <property name="hibernate.connection.username">root</property>
   <property name="hibernate.connection.password">mypassword</property>
   <property name="hibernate.connection.pool_size">10</property>
   <property name="show_sql">true</property>
   <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
   <property name="hibernate.hbm2ddl.auto">update</property>

<!-- Websphere -->
  <!-- Manager Lookup -->
   <property name="hibernate.TransactionManagerLookup">org.hibernate.transaction.WebSphereTransactionManagerLookup</property>
   <property name="hibernate.transaction.manager_lookup_class">org.hibernate.transaction.WebSphereTransactionManagerLookup</property>
 
  <!-- Transaction Strategy -->
   <property name="hibernate.TransactionManagerLookupStrategy">org.hibernate.transaction.WebSphereTransactionManagerLookup</property>
   <property name="hibernate.TransactionStrategy">org.hibernate.transaction.CMTTransactionFactory</property>
   
  <!-- Factory class -->
    <property name="hibernate.transaction.factory_class">org.hibernate.transaction.CMTTransactionFactory</property>
   
  <!-- Other -->
   <property name="hibernate.connection.release_mode">after_statement</property>
   <property name="hibernate.transaction.auto_close_session">true</property>
   <property name="hibernate.transaction.flush_before_completion">true</property>

<!-- Mapping files -->
   <mapping resource="pl/test/hibernate/contact.hbm.xml" />
   
</session-factory>
</hibernate-configuration>


I implemented facade as a session bean with method saveMessageToDb:

Code:
public void saveMessageToDb() throws Exception  {
   
   Session session = null;
   try {
   SessionFactory sessionFactory = new Configuration().configure().buildSessionFactory();
   session = sessionFactory.getCurrentSession();
           System.out.println("Inserting Record");
           Contact contact = new Contact();
           Random random = new Random();
           contact.setId(random.nextInt(10000));
           contact.setFirstName("yyyz");
           contact.setLastName("zzzz");
           contact.setEmail("xxx@www.com");
           session.save(contact);
           System.out.println("Done");
       }catch(Exception e){
         System.out.println(e.getMessage());
       }finally{
       //none
         }   
         
      }


In ejb-jar.xml, I declare to put transaction on this method:

Code:
  <container-transaction>
   <method>
    <ejb-name>DBFacade</ejb-name>
    <method-intf>Local</method-intf>
    <method-name>saveMessageToDb</method-name>
    <method-params>
    </method-params>
   </method>
   <trans-attribute>Required</trans-attribute>
  </container-transaction>




I think everything looks good. When I start server I take this log:

Quote:
[27.08.07 15:23:18:770 CEST] 00000026 SystemOut O opened session at timestamp: 11882209987
[27.08.07 15:23:18:770 CEST] 00000026 SystemOut O Inserting Record
[27.08.07 15:23:18:770 CEST] 00000026 SystemOut O saving transient instance
[27.08.07 15:23:18:770 CEST] 00000026 SystemOut O generated identifier: 5526, using strategy: org.hibernate.id.Assigned
[27.08.07 15:23:18:785 CEST] 00000026 SystemOut O saving [pl.pbpolsoft.test.hibernate.Contact#5526]
[27.08.07 15:23:18:785 CEST] 00000026 SystemOut O Done
[27.08.07 15:23:18:785 CEST] 00000026 SystemOut O >>>>stworzenie EJB - DBFacade
[27.08.07 15:23:18:785 CEST] 00000026 SystemOut O transaction before completion callback
[27.08.07 15:23:18:801 CEST] 00000026 SystemOut O automatically flushing session
[27.08.07 15:23:18:832 CEST] 00000026 SystemOut O automatically flushing session
[27.08.07 15:23:18:848 CEST] 00000026 SystemOut O flushing session
[27.08.07 15:23:18:848 CEST] 00000026 SystemOut O processing flush-time cascades
[27.08.07 15:23:18:863 CEST] 00000026 SystemOut O dirty checking collections
[27.08.07 15:23:18:879 CEST] 00000026 SystemOut O Flushing entities and processing referenced collections
[27.08.07 15:23:18:879 CEST] 00000026 SystemOut O Processing unreferenced collections
[27.08.07 15:23:18:895 CEST] 00000026 SystemOut O Scheduling collection removes/(re)creates/updates
[27.08.07 15:23:18:910 CEST] 00000026 SystemOut O Flushed: 1 insertions, 0 updates, 0 deletions to 1 objects
[27.08.07 15:23:18:926 CEST] 00000026 SystemOut O Flushed: 0 (re)creations, 0 updates, 0 removals to 0 collections
[27.08.07 15:23:18:941 CEST] 00000026 SystemOut O listing entities:
[27.08.07 15:23:18:957 CEST] 00000026 SystemOut O pl.pbpolsoft.test.hibernate.Contact{email=deepak_38@yahoo.com, firstName=Deepak, id=5526, lastName=Kumar}
[27.08.07 15:23:18:973 CEST] 00000026 SystemOut O executing flush
[27.08.07 15:23:18:973 CEST] 00000026 SystemOut O registering flush begin
[27.08.07 15:23:18:988 CEST] 00000026 SystemOut O Inserting entity: [pl.pbpolsoft.test.hibernate.Contact#5526]
[27.08.07 15:23:19:004 CEST] 00000026 SystemOut O about to open PreparedStatement (open PreparedStatements: 0, globally: 0)
[27.08.07 15:23:19:004 CEST] 00000026 SystemOut O opening JDBC connection
[27.08.07 15:23:19:020 CEST] 00000026 SystemOut O total checked-out connections: 0
[27.08.07 15:23:19:035 CEST] 00000026 SystemOut O using pooled JDBC connection, pool size: 0
[27.08.07 15:23:19:051 CEST] 00000026 SystemOut O insert into CONTACT (FIRSTNAME, LASTNAME, EMAIL, ID) values (?, ?, ?, ?)
[27.08.07 15:23:19:051 CEST] 00000026 SystemOut O Hibernate: insert into CONTACT (FIRSTNAME, LASTNAME, EMAIL, ID) values (?, ?, ?, ?)
[27.08.07 15:23:19:051 CEST] 00000026 SystemOut O preparing statement
[27.08.07 15:23:19:066 CEST] 00000026 SystemOut O Dehydrating entity: [pl.pbpolsoft.test.hibernate.Contact#5526]
[27.08.07 15:23:19:082 CEST] 00000026 SystemOut O binding 'Deepak' to parameter: 1
[27.08.07 15:23:19:098 CEST] 00000026 SystemOut O binding 'Kumar' to parameter: 2
[27.08.07 15:23:19:098 CEST] 00000026 SystemOut O binding 'deepak_38@yahoo.com' to parameter: 3
[27.08.07 15:23:19:113 CEST] 00000026 SystemOut O binding '5526' to parameter: 4
[27.08.07 15:23:19:129 CEST] 00000026 SystemOut O Executing batch size: 1
[27.08.07 15:23:19:145 CEST] 00000026 SystemOut O about to close PreparedStatement (open PreparedStatements: 1, globally: 1)
[27.08.07 15:23:19:160 CEST] 00000026 SystemOut O closing statement
[27.08.07 15:23:19:160 CEST] 00000026 SystemOut O skipping aggressive-release due to flush cycle
[27.08.07 15:23:19:176 CEST] 00000026 SystemOut O registering flush end
[27.08.07 15:23:19:191 CEST] 00000026 SystemOut O aggressively releasing JDBC connection
[27.08.07 15:23:19:207 CEST] 00000026 SystemOut O releasing JDBC connection [ (open PreparedStatements: 0, globally: 0) (open ResultSets: 0, globally: 0)]
[27.08.07 15:23:19:207 CEST] 00000026 SystemOut O returning connection to pool, pool size: 1
[27.08.07 15:23:19:223 CEST] 00000026 SystemOut O post flush
[27.08.07 15:23:19:238 CEST] 00000026 SystemOut O before transaction completion
[27.08.07 15:23:19:254 CEST] 00000026 SystemOut O before transaction completion
[27.08.07 15:23:19:254 CEST] 00000026 SystemOut O transaction after completion callback, status: 3
[27.08.07 15:23:19:270 CEST] 00000026 SystemOut O after transaction completion
[27.08.07 15:23:19:285 CEST] 00000026 SystemOut O after transaction completion
[27.08.07 15:23:19:301 CEST] 00000026 SystemOut O automatically closing session
[27.08.07 15:23:19:316 CEST] 00000026 SystemOut O automatically closing session
[27.08.07 15:23:19:332 CEST] 00000026 SystemOut O closing session


but database table is still clear. Hibernate doesn't save my object to the datebase table.

what i should do ? did anybody forced this problem before ?
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