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jjsilo
 Post subject: Composite-id - different sessions - empty collection
PostPosted: Thu Feb 24, 2005 4:28 pm 
Newbie

Joined: Thu Feb 24, 2005 3:51 pm
Posts: 9
Location: Montevideo, Uruguay
Hi!
I'm having problems with a collecction of composite-id objects.
To symplify things, I have created this 3 simple classes.
Prueba1 is a simple class with a normal id and a collection of Prueba2(pruebas2).
Prueba2 has a Prueba1 property (prueba1) and a composite id (prueba1, codigo). It also has a collection of Prueba3 (pruebas3)
Prueba3 has a Prueba2 property (prueba2) and a composite id (prueba1, codigo).
All of this classes have a property called hibVersion for use with the version mapping.

Since Prueba2 is composite-id entity, in order to load it using Session.get(Class, Serializable) I have to create an instance of Prueba2 to use as Id, but before I have to load the Prueba1 object that is part of the id. Because of the architecture of my application, I do this in two separate sessions. I create a session, load the Prueba1 entity, close the session, then I open another session and I attempt to load the Prueba2 entity.

The Prueba2 entity is loaded fine, but the collection of Prueba3(pruebas3) object is empty when it should have at least one object.

If I do all this in a single session, the collection is loaded just fine.

I've seen a couple of posts that had problems with equals() or hashCode() but I don't think that's the problem here.

If anyone can give me a clue as to why this doesn't work in two sessions (its seems to me it shouldn't be an issue) I'd be very gratefull.

Thanks in advance,
JJ


Hibernate version:
2.1.8

Mapping documents:
Code:
<hibernate-mapping>
    <class name="pruebas.Prueba1" table="PRUEBA_1">
        <id name="codigo" type="integer" unsaved-value="-1">
            <column name="CODIGO" sql-type="NUMBER(5)" not-null="true"/>
         <generator class="assigned"/>
        </id>
      <version
         name="hibVersion"
         column="HIB_VERSION"
         type="integer"
         unsaved-value="undefined"
      />
      <bag name="pruebas2"
         table="PRUEBA_2"
         lazy="false"
         inverse="true"
      >
         <key column="PR1_CODIGO"/>
         <one-to-many class="pruebas.Prueba2"/>
      </bag>
    </class>
   
    <class name="pruebas.Prueba2" table="PRUEBA_2">
        <composite-id>
            <key-many-to-one name="prueba1"
            class="pruebas.Prueba1"
            column="PR1_CODIGO"
         />
         <key-property name="codigo"
            column="CODIGO"
            type="integer"
            length="5"
         />
        </composite-id>
      <version
         name="hibVersion"
         column="HIB_VERSION"
         type="integer"
         unsaved-value="negative"
      />
      <bag name="pruebas3"
         table="PRUEBA_3"
         lazy="false"
         inverse="true"
         cascade="all-delete-orphan"
      >
         <key>
            <column name="PR2_PR1_CODIGO"/>
            <column name="PR2_CODIGO"/>
         </key>
         <one-to-many class="pruebas.Prueba3"/>
      </bag>
    </class>
   
    <class name="pruebas.Prueba3" table="PRUEBA_3">
        <composite-id>
            <key-many-to-one name="prueba2"
            class="pruebas.Prueba2"
         >
            <column name="PR2_PR1_CODIGO"/>
            <column name="PR2_CODIGO"/>
         </key-many-to-one>
         <key-property name="codigo"
            column="CODIGO"
            type="integer"
            length="5"
         />
        </composite-id>
      <version
         name="hibVersion"
         column="HIB_VERSION"
         type="integer"
         unsaved-value="negative"
      />
    </class>
</hibernate-mapping>



Class definitions:
Prueba1.java
Code:
package pruebas;

import java.util.ArrayList;
import java.util.List;

public class Prueba1 {

   private int codigo;
   private int hibVersion;
   private List pruebas2;
   
   public Prueba1() {
      codigo = -1;
      pruebas2 = new ArrayList();
   }
   
   public boolean equals(Object o){
      if( o instanceof Prueba1)
         return getCodigo() == ((Prueba1)o).getCodigo();
      else
         return false;
   }

   public int getCodigo() {

      return this.codigo;
   }

   public void setCodigo(int codigo) {

      this.codigo = codigo;
   }

   public int getHibVersion() {

      return this.hibVersion;
   }

   public void setHibVersion(int hibVersion) {

      this.hibVersion = hibVersion;
   }

   public List getPruebas2() {

      return this.pruebas2;
   }

   public void setPruebas2(List pruebas2) {

      this.pruebas2 = pruebas2;
   }
   
}


Prueba2.java
Code:
package pruebas;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

public class Prueba2 implements Serializable {

   private int codigo;
   private Prueba1 prueba1;
   private int hibVersion;
   private List pruebas3;
   
   public Prueba2() {
      prueba1 = null;
      codigo = -1;
      pruebas3 = new ArrayList();
   }
   
   public boolean equals(Object obj) {
      if( obj instanceof Prueba2 ) {
         Prueba2 objp2 = (Prueba2)obj;
         boolean res;
         if( getPrueba1() != null )
            res = getPrueba1().equals( objp2.getPrueba1() );
         else
            res = getPrueba1() == objp2.getPrueba1();
         return res && getCodigo() == objp2.getCodigo();
      }
      else
         return false;
   }
   
   public int hashCode() {
      if( getPrueba1() != null )
         return getPrueba1().hashCode() + getCodigo();
      else
         return getCodigo();
   }

   public int getCodigo() {
      return this.codigo;
   }

   public void setCodigo(int codigo) {

      this.codigo = codigo;
   }

   public Prueba1 getPrueba1() {

      return this.prueba1;
   }

   public void setPrueba1(Prueba1 prueba1) {

      this.prueba1 = prueba1;
   }

   public int getHibVersion() {

      return this.hibVersion;
   }

   public void setHibVersion(int hibVersion) {

      this.hibVersion = hibVersion;
   }

   public List getPruebas3() {

      return this.pruebas3;
   }

   public void setPruebas3(List pruebas3) {

      this.pruebas3 = pruebas3;
   }
   
}


Prueba3.java
Code:
package pruebas;

import java.io.Serializable;

public class Prueba3 implements Serializable{

   private int codigo;
   private Prueba2 prueba2;
   private int hibVersion;
   
   public Prueba3() {
      prueba2 = null;
      codigo = -1;
   }

   public boolean equals(Object obj) {
      if( obj instanceof Prueba3 ) {
         Prueba3 objp3 = (Prueba3)obj;
         boolean res;
         if( getPrueba2() != null )
            res = getPrueba2().equals( objp3.getPrueba2() );
         else
            res = getPrueba2() == objp3.getPrueba2();
         return res && getCodigo() == objp3.getCodigo();
      }
      else
         return false;
   }
   
   public int hashCode() {
      if( getPrueba2() != null )
         return getPrueba2().hashCode() + getCodigo();
      else
         return getCodigo();
   }
   
   public int getCodigo() {
      return this.codigo;
   }

   public void setCodigo(int codigo) {

      this.codigo = codigo;
   }

   public Prueba2 getPrueba2() {

      return this.prueba2;
   }

   public void setPrueba2(Prueba2 prueba2) {

      this.prueba2 = prueba2;
   }

   public int getHibVersion() {

      return this.hibVersion;
   }

   public void setHibVersion(int hibVersion) {

      this.hibVersion = hibVersion;
   }
   
}


Code between sessionFactory.openSession() and session.close():
This is not the actual code of my application :)
Its a very simplified version designed to isolate the problem.
Code:
   Session sesion = HibernateUtil.currentSession();
   Transaction tx = sesion.beginTransaction();
   Prueba1 p1 = (Prueba1)sesion.get( Prueba1.class, new Integer(1) );
   tx.commit();
   HibernateUtil.closeSession();
   sesion = HibernateUtil.currentSession();
   tx = sesion.beginTransaction();
   Prueba2 p2 = new Prueba2();
   p2.setPrueba1( p1 );
   p2.setCodigo( 10 );
   p2 = (Prueba2)sesion.get( Prueba2.class, p2 );
   tx.commit();
   HibernateUtil.closeSession();


If I comment lines 5 to 7 it works just fine.


Name and version of the database you are using:
Oracle 9i

The generated SQL (show_sql=true):
Code:
Hibernate: select prueba10_.CODIGO as CODIGO0_, prueba10_.HIB_VERSION as HIB_VERS2_0_ from PRUEBA_1 prueba10_ where prueba10_.CODIGO=?
Hibernate: select pruebas20_.PR1_CODIGO as PR1_CODIGO__, pruebas20_.CODIGO as CODIGO__, pruebas20_.PR1_CODIGO as PR1_CODIGO0_, pruebas20_.CODIGO as CODIGO0_, pruebas20_.HIB_VERSION as HIB_VERS3_0_ from PRUEBA_2 pruebas20_ where pruebas20_.PR1_CODIGO=?
Hibernate: select pruebas30_.PR2_PR1_CODIGO as PR2_PR1_1___, pruebas30_.PR2_CODIGO as PR2_CODIGO__, pruebas30_.CODIGO as CODIGO__, pruebas30_.PR2_PR1_CODIGO as PR2_PR1_1_0_, pruebas30_.PR2_CODIGO as PR2_CODIGO0_, pruebas30_.CODIGO as CODIGO0_, pruebas30_.HIB_VERSION as HIB_VERS4_0_ from PRUEBA_3 pruebas30_ where pruebas30_.PR2_PR1_CODIGO=? and pruebas30_.PR2_CODIGO=?
Hibernate: select prueba20_.PR1_CODIGO as PR1_CODIGO0_, prueba20_.CODIGO as CODIGO0_, prueba20_.HIB_VERSION as HIB_VERS3_0_ from PRUEBA_2 prueba20_ where prueba20_.PR1_CODIGO=? and prueba20_.CODIGO=?
Hibernate: select pruebas30_.PR2_PR1_CODIGO as PR2_PR1_1___, pruebas30_.PR2_CODIGO as PR2_CODIGO__, pruebas30_.CODIGO as CODIGO__, pruebas30_.PR2_PR1_CODIGO as PR2_PR1_1_0_, pruebas30_.PR2_CODIGO as PR2_CODIGO0_, pruebas30_.CODIGO as CODIGO0_, pruebas30_.HIB_VERSION as HIB_VERS4_0_ from PRUEBA_3 pruebas30_ where pruebas30_.PR2_PR1_CODIGO=? and pruebas30_.PR2_CODIGO=?
Hibernate: select prueba10_.CODIGO as CODIGO0_, prueba10_.HIB_VERSION as HIB_VERS2_0_ from PRUEBA_1 prueba10_ where prueba10_.CODIGO=?
Hibernate: select prueba20_.PR1_CODIGO as PR1_CODIGO0_, prueba20_.CODIGO as CODIGO0_, prueba20_.HIB_VERSION as HIB_VERS3_0_ from PRUEBA_2 prueba20_ where prueba20_.PR1_CODIGO=? and prueba20_.CODIGO=?
Hibernate: select pruebas20_.PR1_CODIGO as PR1_CODIGO__, pruebas20_.CODIGO as CODIGO__, pruebas20_.PR1_CODIGO as PR1_CODIGO0_, pruebas20_.CODIGO as CODIGO0_, pruebas20_.HIB_VERSION as HIB_VERS3_0_ from PRUEBA_2 pruebas20_ where pruebas20_.PR1_CODIGO=?
Hibernate: select prueba10_.CODIGO as CODIGO0_, prueba10_.HIB_VERSION as HIB_VERS2_0_ from PRUEBA_1 prueba10_ where prueba10_.CODIGO=?
Hibernate: select pruebas20_.PR1_CODIGO as PR1_CODIGO__, pruebas20_.CODIGO as CODIGO__, pruebas20_.PR1_CODIGO as PR1_CODIGO0_, pruebas20_.CODIGO as CODIGO0_, pruebas20_.HIB_VERSION as HIB_VERS3_0_ from PRUEBA_2 pruebas20_ where pruebas20_.PR1_CODIGO=?
Hibernate: select pruebas30_.PR2_PR1_CODIGO as PR2_PR1_1___, pruebas30_.PR2_CODIGO as PR2_CODIGO__, pruebas30_.CODIGO as CODIGO__, pruebas30_.PR2_PR1_CODIGO as PR2_PR1_1_0_, pruebas30_.PR2_CODIGO as PR2_CODIGO0_, pruebas30_.CODIGO as CODIGO0_, pruebas30_.HIB_VERSION as HIB_VERS4_0_ from PRUEBA_3 pruebas30_ where pruebas30_.PR2_PR1_CODIGO=? and pruebas30_.PR2_CODIGO=?
Hibernate: select prueba20_.PR1_CODIGO as PR1_CODIGO0_, prueba20_.CODIGO as CODIGO0_, prueba20_.HIB_VERSION as HIB_VERS3_0_ from PRUEBA_2 prueba20_ where prueba20_.PR1_CODIGO=? and prueba20_.CODIGO=?
Hibernate: select pruebas30_.PR2_PR1_CODIGO as PR2_PR1_1___, pruebas30_.PR2_CODIGO as PR2_CODIGO__, pruebas30_.CODIGO as CODIGO__, pruebas30_.PR2_PR1_CODIGO as PR2_PR1_1_0_, pruebas30_.PR2_CODIGO as PR2_CODIGO0_, pruebas30_.CODIGO as CODIGO0_, pruebas30_.HIB_VERSION as HIB_VERS4_0_ from PRUEBA_3 pruebas30_ where pruebas30_.PR2_PR1_CODIGO=? and pruebas30_.PR2_CODIGO=?
Hibernate: select prueba10_.CODIGO as CODIGO0_, prueba10_.HIB_VERSION as HIB_VERS2_0_ from PRUEBA_1 prueba10_ where prueba10_.CODIGO=?
Hibernate: select prueba20_.PR1_CODIGO as PR1_CODIGO0_, prueba20_.CODIGO as CODIGO0_, prueba20_.HIB_VERSION as HIB_VERS3_0_ from PRUEBA_2 prueba20_ where prueba20_.PR1_CODIGO=? and prueba20_.CODIGO=?
Hibernate: select pruebas20_.PR1_CODIGO as PR1_CODIGO__, pruebas20_.CODIGO as CODIGO__, pruebas20_.PR1_CODIGO as PR1_CODIGO0_, pruebas20_.CODIGO as CODIGO0_, pruebas20_.HIB_VERSION as HIB_VERS3_0_ from PRUEBA_2 pruebas20_ where pruebas20_.PR1_CODIGO=?


Debug level Hibernate log excerpt:
17:54:55,093 DEBUG SessionImpl:560 - opened session
17:54:55,109 DEBUG JDBCTransaction:37 - begin
17:54:55,109 DEBUG JDBCTransaction:41 - current autocommit status:true
17:54:55,109 DEBUG JDBCTransaction:43 - disabling autocommit
17:54:55,125 DEBUG SessionImpl:1996 - loading [pruebas.Prueba1#1]
17:54:55,125 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba1#1]
17:54:55,125 DEBUG SessionImpl:2130 - object not resolved in any cache [pruebas.Prueba1#1]
17:54:55,125 DEBUG EntityPersister:410 - Materializing entity: [pruebas.Prueba1#1]
17:54:55,125 DEBUG BatcherImpl:204 - about to open: 0 open PreparedStatements, 0 open ResultSets
17:54:55,125 DEBUG SQL:230 - select prueba10_.CODIGO as CODIGO0_, prueba10_.HIB_VERSION as HIB_VERS2_0_ from PRUEBA_1 prueba10_ where prueba10_.CODIGO=?
17:54:55,125 DEBUG BatcherImpl:253 - preparing statement
17:54:55,140 DEBUG Loader:281 - processing result set
17:54:55,140 DEBUG Loader:484 - result row: 1
17:54:55,140 DEBUG Loader:615 - Initializing object from ResultSet: 1
17:54:55,140 DEBUG Loader:684 - Hydrating entity: pruebas.Prueba1#1
17:54:55,140 DEBUG SessionImpl:1920 - Version: 0
17:54:55,140 DEBUG Loader:298 - done processing result set (1 rows)
17:54:55,140 DEBUG BatcherImpl:211 - done closing: 0 open PreparedStatements, 0 open ResultSets
17:54:55,156 DEBUG BatcherImpl:275 - closing statement
17:54:55,156 DEBUG Loader:318 - total objects hydrated: 1
17:54:55,171 DEBUG SessionImpl:2216 - resolving associations for [pruebas.Prueba1#1]
17:54:55,171 DEBUG SessionImpl:3994 - creating collection wrapper:[pruebas.Prueba1.pruebas2#1]
17:54:55,171 DEBUG SessionImpl:2247 - done materializing entity [pruebas.Prueba1#1]
17:54:55,171 DEBUG SessionImpl:3161 - initializing non-lazy collections
17:54:55,171 DEBUG SessionImpl:3307 - initializing collection [pruebas.Prueba1.pruebas2#1]
17:54:55,171 DEBUG SessionImpl:3308 - checking second-level cache
17:54:55,171 DEBUG SessionImpl:3314 - collection not cached
17:54:55,171 DEBUG BatcherImpl:204 - about to open: 0 open PreparedStatements, 0 open ResultSets
17:54:55,187 DEBUG SQL:230 - select pruebas20_.PR1_CODIGO as PR1_CODIGO__, pruebas20_.CODIGO as CODIGO__, pruebas20_.PR1_CODIGO as PR1_CODIGO0_, pruebas20_.CODIGO as CODIGO0_, pruebas20_.HIB_VERSION as HIB_VERS3_0_ from PRUEBA_2 pruebas20_ where pruebas20_.PR1_CODIGO=?
17:54:55,187 DEBUG BatcherImpl:253 - preparing statement
17:54:55,218 DEBUG Loader:406 - result set contains (possibly empty) collection: [pruebas.Prueba1.pruebas2#1]
17:54:55,218 DEBUG SessionImpl:3050 - uninitialized collection: initializing
17:54:55,218 DEBUG Loader:281 - processing result set
17:54:55,234 DEBUG SessionImpl:1996 - loading [pruebas.Prueba1#1]
17:54:55,234 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba1#1]
17:54:55,234 DEBUG SessionImpl:2110 - resolved object in session cache [pruebas.Prueba1#1]
17:54:55,234 DEBUG Loader:484 - result row: pruebas.Prueba2@a2da11
17:54:55,234 DEBUG Loader:615 - Initializing object from ResultSet: pruebas.Prueba2@a2da11
17:54:55,234 DEBUG Loader:684 - Hydrating entity: pruebas.Prueba2#pruebas.Prueba2@a2da11
17:54:55,250 DEBUG SessionImpl:1920 - Version: 0
17:54:55,250 DEBUG Loader:371 - found row of collection: [pruebas.Prueba1.pruebas2#1]
17:54:55,250 DEBUG SessionImpl:3073 - reading row
17:54:55,250 DEBUG SessionImpl:1996 - loading [pruebas.Prueba1#1]
17:54:55,250 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba1#1]
17:54:55,250 DEBUG SessionImpl:2110 - resolved object in session cache [pruebas.Prueba1#1]
17:54:55,250 DEBUG SessionImpl:1996 - loading [pruebas.Prueba2#pruebas.Prueba2@a2da11]
17:54:55,265 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba2#pruebas.Prueba2@a2da11]
17:54:55,265 DEBUG SessionImpl:2110 - resolved object in session cache [pruebas.Prueba2#pruebas.Prueba2@a2da11]
17:54:55,281 DEBUG Loader:298 - done processing result set (1 rows)
17:54:55,281 DEBUG BatcherImpl:211 - done closing: 0 open PreparedStatements, 0 open ResultSets
17:54:55,296 DEBUG BatcherImpl:275 - closing statement
17:54:55,296 DEBUG Loader:318 - total objects hydrated: 1
17:54:55,296 DEBUG SessionImpl:2216 - resolving associations for [pruebas.Prueba2#pruebas.Prueba2@a2da11]
17:54:55,296 DEBUG SessionImpl:3994 - creating collection wrapper:[pruebas.Prueba2.pruebas3#pruebas.Prueba2@a2da11]
17:54:55,296 DEBUG SessionImpl:2247 - done materializing entity [pruebas.Prueba2#pruebas.Prueba2@a2da11]
17:54:55,296 DEBUG SessionImpl:3109 - 1 collections were found in result set
17:54:55,312 DEBUG SessionImpl:3140 - collection fully initialized: [pruebas.Prueba1.pruebas2#1]
17:54:55,312 DEBUG SessionImpl:3143 - 1 collections initialized
17:54:55,312 DEBUG SessionImpl:3316 - collection initialized
17:54:55,312 DEBUG SessionImpl:3307 - initializing collection [pruebas.Prueba2.pruebas3#pruebas.Prueba2@a2da11]
17:54:55,312 DEBUG SessionImpl:3308 - checking second-level cache
17:54:55,312 DEBUG SessionImpl:3314 - collection not cached
17:54:55,312 DEBUG BatcherImpl:204 - about to open: 0 open PreparedStatements, 0 open ResultSets
17:54:55,328 DEBUG SQL:230 - select pruebas30_.PR2_PR1_CODIGO as PR2_PR1_1___, pruebas30_.PR2_CODIGO as PR2_CODIGO__, pruebas30_.CODIGO as CODIGO__, pruebas30_.PR2_PR1_CODIGO as PR2_PR1_1_0_, pruebas30_.PR2_CODIGO as PR2_CODIGO0_, pruebas30_.CODIGO as CODIGO0_, pruebas30_.HIB_VERSION as HIB_VERS4_0_ from PRUEBA_3 pruebas30_ where pruebas30_.PR2_PR1_CODIGO=? and pruebas30_.PR2_CODIGO=?
17:54:55,328 DEBUG BatcherImpl:253 - preparing statement
17:54:55,328 DEBUG Loader:406 - result set contains (possibly empty) collection: [pruebas.Prueba2.pruebas3#pruebas.Prueba2@a2da11]
17:54:55,328 DEBUG SessionImpl:3050 - uninitialized collection: initializing
17:54:55,343 DEBUG Loader:281 - processing result set
17:54:55,343 DEBUG SessionImpl:1996 - loading [pruebas.Prueba1#1]
17:54:55,343 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba1#1]
17:54:55,343 DEBUG SessionImpl:2110 - resolved object in session cache [pruebas.Prueba1#1]
17:54:55,343 DEBUG SessionImpl:1996 - loading [pruebas.Prueba2#pruebas.Prueba2@a2da11]
17:54:55,343 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba2#pruebas.Prueba2@a2da11]
17:54:55,343 DEBUG SessionImpl:2110 - resolved object in session cache [pruebas.Prueba2#pruebas.Prueba2@a2da11]
17:54:55,359 DEBUG Loader:484 - result row: pruebas.Prueba3@a2da75
17:54:55,359 DEBUG Loader:615 - Initializing object from ResultSet: pruebas.Prueba3@a2da75
17:54:55,359 DEBUG Loader:684 - Hydrating entity: pruebas.Prueba3#pruebas.Prueba3@a2da75
17:54:55,359 DEBUG SessionImpl:1920 - Version: 0
17:54:55,375 DEBUG SessionImpl:1996 - loading [pruebas.Prueba1#1]
17:54:55,375 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba1#1]
17:54:55,375 DEBUG SessionImpl:2110 - resolved object in session cache [pruebas.Prueba1#1]
17:54:55,375 DEBUG Loader:371 - found row of collection: [pruebas.Prueba2.pruebas3#pruebas.Prueba2@a2da11]
17:54:55,375 DEBUG SessionImpl:3073 - reading row
17:54:55,375 DEBUG SessionImpl:1996 - loading [pruebas.Prueba1#1]
17:54:55,375 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba1#1]
17:54:55,437 DEBUG SessionImpl:2110 - resolved object in session cache [pruebas.Prueba1#1]
17:54:55,437 DEBUG SessionImpl:1996 - loading [pruebas.Prueba2#pruebas.Prueba2@a2da11]
17:54:55,437 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba2#pruebas.Prueba2@a2da11]
17:54:55,437 DEBUG SessionImpl:2110 - resolved object in session cache [pruebas.Prueba2#pruebas.Prueba2@a2da11]
17:54:55,437 DEBUG SessionImpl:1996 - loading [pruebas.Prueba3#pruebas.Prueba3@a2da75]
17:54:55,468 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba3#pruebas.Prueba3@a2da75]
17:54:55,468 DEBUG SessionImpl:2110 - resolved object in session cache [pruebas.Prueba3#pruebas.Prueba3@a2da75]
17:54:55,468 DEBUG Loader:298 - done processing result set (1 rows)
17:54:55,484 DEBUG BatcherImpl:211 - done closing: 0 open PreparedStatements, 0 open ResultSets
17:54:55,484 DEBUG BatcherImpl:275 - closing statement
17:54:55,484 DEBUG Loader:318 - total objects hydrated: 1
17:54:55,484 DEBUG SessionImpl:2216 - resolving associations for [pruebas.Prueba3#pruebas.Prueba3@a2da75]
17:54:55,484 DEBUG SessionImpl:2247 - done materializing entity [pruebas.Prueba3#pruebas.Prueba3@a2da75]
17:54:55,484 DEBUG SessionImpl:3109 - 1 collections were found in result set
17:54:55,484 DEBUG SessionImpl:3140 - collection fully initialized: [pruebas.Prueba2.pruebas3#pruebas.Prueba2@a2da11]
17:54:55,484 DEBUG SessionImpl:3143 - 1 collections initialized
17:54:55,500 DEBUG SessionImpl:3316 - collection initialized
17:54:55,500 DEBUG JDBCTransaction:59 - commit
17:54:55,500 DEBUG SessionImpl:2267 - flushing session
17:54:55,500 DEBUG Cascades:497 - processing cascades for: pruebas.Prueba2
17:54:55,515 DEBUG Cascades:524 - cascading to collection: pruebas.Prueba2.pruebas3
17:54:55,531 DEBUG Cascades:113 - cascading to saveOrUpdate()
17:54:55,531 DEBUG SessionImpl:1382 - saveOrUpdate() persistent instance
17:54:55,531 DEBUG Cascades:506 - done processing cascades for: pruebas.Prueba2
17:54:55,531 DEBUG SessionImpl:2467 - Flushing entities and processing referenced collections
17:54:55,546 DEBUG SessionImpl:2916 - Collection found: [pruebas.Prueba1.pruebas2#1], was: [pruebas.Prueba1.pruebas2#1]
17:54:55,562 DEBUG SessionImpl:2916 - Collection found: [pruebas.Prueba2.pruebas3#pruebas.Prueba2@a2da11], was: [pruebas.Prueba2.pruebas3#pruebas.Prueba2@a2da11]
17:54:55,562 DEBUG SessionImpl:2808 - Processing unreferenced collections
17:54:55,562 DEBUG SessionImpl:2822 - Scheduling collection removes/(re)creates/updates
17:54:55,562 DEBUG SessionImpl:2291 - Flushed: 0 insertions, 0 updates, 0 deletions to 3 objects
17:54:55,562 DEBUG SessionImpl:2296 - Flushed: 0 (re)creations, 0 updates, 0 removals to 2 collections
17:54:55,562 DEBUG Printer:75 - listing entities:
17:54:55,562 DEBUG Printer:82 - pruebas.Prueba2{hibVersion=0, pruebas3=[Prueba3]}
17:54:55,578 DEBUG Printer:82 - pruebas.Prueba3{hibVersion=0}
17:54:55,578 DEBUG Printer:82 - pruebas.Prueba1{hibVersion=0, pruebas2=[Prueba2], codigo=1}
17:54:55,578 DEBUG SessionImpl:2380 - executing flush
17:54:55,593 DEBUG SessionImpl:2852 - post flush
17:54:55,593 DEBUG SessionImpl:596 - transaction completion
17:54:55,593 DEBUG JDBCTransaction:103 - re-enabling autocommit
17:54:55,609 DEBUG SessionImpl:578 - closing session
17:54:55,609 DEBUG SessionImpl:3383 - disconnecting session
17:54:55,609 DEBUG SessionImpl:596 - transaction completion
17:54:55,609 DEBUG SessionImpl:560 - opened session
17:54:55,609 DEBUG JDBCTransaction:37 - begin
17:54:55,609 DEBUG JDBCTransaction:41 - current autocommit status:true
17:54:55,609 DEBUG JDBCTransaction:43 - disabling autocommit
17:54:55,609 DEBUG SessionImpl:1996 - loading [pruebas.Prueba2#pruebas.Prueba2@a2da11]
17:54:55,625 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba2#pruebas.Prueba2@a2da11]
17:54:55,625 DEBUG SessionImpl:2130 - object not resolved in any cache [pruebas.Prueba2#pruebas.Prueba2@a2da11]
17:54:55,625 DEBUG EntityPersister:410 - Materializing entity: [pruebas.Prueba2#pruebas.Prueba2@a2da11]
17:54:55,625 DEBUG BatcherImpl:204 - about to open: 0 open PreparedStatements, 0 open ResultSets
17:54:55,625 DEBUG SQL:230 - select prueba20_.PR1_CODIGO as PR1_CODIGO0_, prueba20_.CODIGO as CODIGO0_, prueba20_.HIB_VERSION as HIB_VERS3_0_ from PRUEBA_2 prueba20_ where prueba20_.PR1_CODIGO=? and prueba20_.CODIGO=?
17:54:55,640 DEBUG BatcherImpl:253 - preparing statement
17:54:55,640 DEBUG Cascades:396 - version unsaved-value strategy UNDEFINED
17:54:55,640 DEBUG Cascades:312 - id unsaved-value: -1
17:54:55,640 DEBUG Loader:281 - processing result set
17:54:55,640 DEBUG Loader:484 - result row: pruebas.Prueba2@a2da11
17:54:55,656 DEBUG Loader:615 - Initializing object from ResultSet: pruebas.Prueba2@a2da11
17:54:55,656 DEBUG Loader:684 - Hydrating entity: pruebas.Prueba2#pruebas.Prueba2@a2da11
17:54:55,656 DEBUG SessionImpl:1920 - Version: 0
17:54:55,656 DEBUG Loader:298 - done processing result set (1 rows)
17:54:55,656 DEBUG BatcherImpl:211 - done closing: 0 open PreparedStatements, 0 open ResultSets
17:54:55,656 DEBUG BatcherImpl:275 - closing statement
17:54:55,656 DEBUG Loader:318 - total objects hydrated: 1
17:54:55,656 DEBUG SessionImpl:2216 - resolving associations for [pruebas.Prueba2#pruebas.Prueba2@a2da11]
17:54:55,671 DEBUG SessionImpl:3994 - creating collection wrapper:[pruebas.Prueba2.pruebas3#pruebas.Prueba2@a2da11]
17:54:55,671 DEBUG SessionImpl:2247 - done materializing entity [pruebas.Prueba2#pruebas.Prueba2@a2da11]
17:54:55,671 DEBUG SessionImpl:3161 - initializing non-lazy collections
17:54:55,671 DEBUG SessionImpl:3307 - initializing collection [pruebas.Prueba2.pruebas3#pruebas.Prueba2@a2da11]
17:54:55,671 DEBUG SessionImpl:3308 - checking second-level cache
17:54:55,687 DEBUG SessionImpl:3314 - collection not cached
17:54:55,687 DEBUG BatcherImpl:204 - about to open: 0 open PreparedStatements, 0 open ResultSets
17:54:55,687 DEBUG SQL:230 - select pruebas30_.PR2_PR1_CODIGO as PR2_PR1_1___, pruebas30_.PR2_CODIGO as PR2_CODIGO__, pruebas30_.CODIGO as CODIGO__, pruebas30_.PR2_PR1_CODIGO as PR2_PR1_1_0_, pruebas30_.PR2_CODIGO as PR2_CODIGO0_, pruebas30_.CODIGO as CODIGO0_, pruebas30_.HIB_VERSION as HIB_VERS4_0_ from PRUEBA_3 pruebas30_ where pruebas30_.PR2_PR1_CODIGO=? and pruebas30_.PR2_CODIGO=?
17:54:55,703 DEBUG BatcherImpl:253 - preparing statement
17:54:55,703 DEBUG Cascades:396 - version unsaved-value strategy UNDEFINED
17:54:55,703 DEBUG Cascades:312 - id unsaved-value: -1
17:54:55,718 DEBUG Loader:406 - result set contains (possibly empty) collection: [pruebas.Prueba2.pruebas3#pruebas.Prueba2@a2da11]
17:54:55,718 DEBUG SessionImpl:3050 - uninitialized collection: initializing
17:54:55,718 DEBUG Loader:281 - processing result set
17:54:55,718 DEBUG SessionImpl:1996 - loading [pruebas.Prueba1#1]
17:54:55,718 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba1#1]
17:54:55,750 DEBUG SessionImpl:2130 - object not resolved in any cache [pruebas.Prueba1#1]
17:54:55,750 DEBUG EntityPersister:410 - Materializing entity: [pruebas.Prueba1#1]
17:54:55,750 DEBUG BatcherImpl:204 - about to open: 1 open PreparedStatements, 1 open ResultSets
17:54:55,765 DEBUG SQL:230 - select prueba10_.CODIGO as CODIGO0_, prueba10_.HIB_VERSION as HIB_VERS2_0_ from PRUEBA_1 prueba10_ where prueba10_.CODIGO=?
17:54:55,765 DEBUG BatcherImpl:253 - preparing statement
17:54:55,765 DEBUG Loader:281 - processing result set
17:54:55,781 DEBUG Loader:484 - result row: 1
17:54:55,781 DEBUG Loader:615 - Initializing object from ResultSet: 1
17:54:55,781 DEBUG Loader:684 - Hydrating entity: pruebas.Prueba1#1
17:54:55,781 DEBUG SessionImpl:1920 - Version: 0
17:54:55,781 DEBUG Loader:298 - done processing result set (1 rows)
17:54:55,781 DEBUG BatcherImpl:211 - done closing: 1 open PreparedStatements, 1 open ResultSets
17:54:55,812 DEBUG BatcherImpl:275 - closing statement
17:54:55,812 DEBUG Loader:318 - total objects hydrated: 1
17:54:55,812 DEBUG SessionImpl:2216 - resolving associations for [pruebas.Prueba1#1]
17:54:55,812 DEBUG SessionImpl:3994 - creating collection wrapper:[pruebas.Prueba1.pruebas2#1]
17:54:55,812 DEBUG SessionImpl:2247 - done materializing entity [pruebas.Prueba1#1]
17:54:55,812 DEBUG SessionImpl:1996 - loading [pruebas.Prueba2#pruebas.Prueba2@33505d]
17:54:55,828 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba2#pruebas.Prueba2@33505d]
17:54:55,828 DEBUG SessionImpl:2130 - object not resolved in any cache [pruebas.Prueba2#pruebas.Prueba2@33505d]
17:54:55,828 DEBUG EntityPersister:410 - Materializing entity: [pruebas.Prueba2#pruebas.Prueba2@33505d]
17:54:55,828 DEBUG BatcherImpl:204 - about to open: 1 open PreparedStatements, 1 open ResultSets
17:54:55,828 DEBUG SQL:230 - select prueba20_.PR1_CODIGO as PR1_CODIGO0_, prueba20_.CODIGO as CODIGO0_, prueba20_.HIB_VERSION as HIB_VERS3_0_ from PRUEBA_2 prueba20_ where prueba20_.PR1_CODIGO=? and prueba20_.CODIGO=?
17:54:55,828 DEBUG BatcherImpl:253 - preparing statement
17:54:55,843 DEBUG Loader:281 - processing result set
17:54:55,843 DEBUG Loader:484 - result row: pruebas.Prueba2@33505d
17:54:55,859 DEBUG Loader:615 - Initializing object from ResultSet: pruebas.Prueba2@33505d
17:54:55,859 DEBUG Loader:684 - Hydrating entity: pruebas.Prueba2#pruebas.Prueba2@33505d
17:54:55,859 DEBUG SessionImpl:1920 - Version: 0
17:54:55,859 DEBUG Loader:298 - done processing result set (1 rows)
17:54:55,859 DEBUG BatcherImpl:211 - done closing: 1 open PreparedStatements, 1 open ResultSets
17:54:55,859 DEBUG BatcherImpl:275 - closing statement
17:54:55,875 DEBUG Loader:318 - total objects hydrated: 1
17:54:55,875 DEBUG SessionImpl:2216 - resolving associations for [pruebas.Prueba2#pruebas.Prueba2@33505d]
17:54:55,875 DEBUG SessionImpl:3994 - creating collection wrapper:[pruebas.Prueba2.pruebas3#pruebas.Prueba2@33505d]
17:54:55,875 DEBUG SessionImpl:2247 - done materializing entity [pruebas.Prueba2#pruebas.Prueba2@33505d]
17:54:55,890 DEBUG Loader:484 - result row: pruebas.Prueba3@3350c1
17:54:55,890 DEBUG Loader:615 - Initializing object from ResultSet: pruebas.Prueba3@3350c1
17:54:55,890 DEBUG Loader:684 - Hydrating entity: pruebas.Prueba3#pruebas.Prueba3@3350c1
17:54:55,890 DEBUG SessionImpl:1920 - Version: 0
17:54:55,890 DEBUG SessionImpl:1996 - loading [pruebas.Prueba1#1]
17:54:55,890 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba1#1]
17:54:55,890 DEBUG SessionImpl:2110 - resolved object in session cache [pruebas.Prueba1#1]
17:54:55,906 DEBUG Loader:371 - found row of collection: [pruebas.Prueba2.pruebas3#pruebas.Prueba2@33505d]
17:54:55,906 DEBUG SessionImpl:3050 - uninitialized collection: initializing
17:54:55,906 DEBUG SessionImpl:1996 - loading [pruebas.Prueba1#1]
17:54:55,906 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba1#1]
17:54:55,906 DEBUG SessionImpl:2110 - resolved object in session cache [pruebas.Prueba1#1]
17:54:55,906 DEBUG SessionImpl:1996 - loading [pruebas.Prueba2#pruebas.Prueba2@33505d]
17:54:55,906 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba2#pruebas.Prueba2@33505d]
17:54:55,937 DEBUG SessionImpl:2110 - resolved object in session cache [pruebas.Prueba2#pruebas.Prueba2@33505d]
17:54:55,937 DEBUG SessionImpl:1996 - loading [pruebas.Prueba3#pruebas.Prueba3@3350c1]
17:54:55,937 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba3#pruebas.Prueba3@3350c1]
17:54:55,937 DEBUG SessionImpl:2110 - resolved object in session cache [pruebas.Prueba3#pruebas.Prueba3@3350c1]
17:54:55,953 DEBUG Loader:298 - done processing result set (1 rows)
17:54:55,953 DEBUG BatcherImpl:211 - done closing: 0 open PreparedStatements, 0 open ResultSets
17:54:55,953 DEBUG BatcherImpl:275 - closing statement
17:54:55,953 DEBUG Loader:318 - total objects hydrated: 1
17:54:55,953 DEBUG SessionImpl:2216 - resolving associations for [pruebas.Prueba3#pruebas.Prueba3@3350c1]
17:54:55,953 DEBUG SessionImpl:2247 - done materializing entity [pruebas.Prueba3#pruebas.Prueba3@3350c1]
17:54:55,968 DEBUG SessionImpl:3109 - 2 collections were found in result set
17:54:55,968 DEBUG SessionImpl:3140 - collection fully initialized: [pruebas.Prueba2.pruebas3#pruebas.Prueba2@a2da11]
17:54:55,968 DEBUG SessionImpl:3140 - collection fully initialized: [pruebas.Prueba2.pruebas3#pruebas.Prueba2@33505d]
17:54:55,968 DEBUG SessionImpl:3143 - 2 collections initialized
17:54:55,968 DEBUG SessionImpl:3316 - collection initialized
17:54:55,984 DEBUG SessionImpl:3307 - initializing collection [pruebas.Prueba1.pruebas2#1]
17:54:55,984 DEBUG SessionImpl:3308 - checking second-level cache
17:54:55,984 DEBUG SessionImpl:3314 - collection not cached
17:54:55,984 DEBUG BatcherImpl:204 - about to open: 0 open PreparedStatements, 0 open ResultSets
17:54:55,984 DEBUG SQL:230 - select pruebas20_.PR1_CODIGO as PR1_CODIGO__, pruebas20_.CODIGO as CODIGO__, pruebas20_.PR1_CODIGO as PR1_CODIGO0_, pruebas20_.CODIGO as CODIGO0_, pruebas20_.HIB_VERSION as HIB_VERS3_0_ from PRUEBA_2 pruebas20_ where pruebas20_.PR1_CODIGO=?
17:54:55,984 DEBUG BatcherImpl:253 - preparing statement
17:54:56,000 DEBUG Loader:406 - result set contains (possibly empty) collection: [pruebas.Prueba1.pruebas2#1]
17:54:56,015 DEBUG SessionImpl:3050 - uninitialized collection: initializing
17:54:56,015 DEBUG Loader:281 - processing result set
17:54:56,015 DEBUG SessionImpl:1996 - loading [pruebas.Prueba1#1]
17:54:56,015 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba1#1]
17:54:56,015 DEBUG SessionImpl:2110 - resolved object in session cache [pruebas.Prueba1#1]
17:54:56,015 DEBUG Loader:484 - result row: pruebas.Prueba2@33505d
17:54:56,015 DEBUG Loader:371 - found row of collection: [pruebas.Prueba1.pruebas2#1]
17:54:56,031 DEBUG SessionImpl:3073 - reading row
17:54:56,031 DEBUG SessionImpl:1996 - loading [pruebas.Prueba1#1]
17:54:56,031 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba1#1]
17:54:56,031 DEBUG SessionImpl:2110 - resolved object in session cache [pruebas.Prueba1#1]
17:54:56,031 DEBUG SessionImpl:1996 - loading [pruebas.Prueba2#pruebas.Prueba2@33505d]
17:54:56,062 DEBUG SessionImpl:2094 - attempting to resolve [pruebas.Prueba2#pruebas.Prueba2@33505d]
17:54:56,062 DEBUG SessionImpl:2110 - resolved object in session cache [pruebas.Prueba2#pruebas.Prueba2@33505d]
17:54:56,062 DEBUG Loader:298 - done processing result set (1 rows)
17:54:56,062 DEBUG BatcherImpl:211 - done closing: 0 open PreparedStatements, 0 open ResultSets
17:54:56,062 DEBUG BatcherImpl:275 - closing statement
17:54:56,078 DEBUG Loader:318 - total objects hydrated: 0
17:54:56,078 DEBUG SessionImpl:3109 - 1 collections were found in result set
17:54:56,078 DEBUG SessionImpl:3140 - collection fully initialized: [pruebas.Prueba1.pruebas2#1]
17:54:56,078 DEBUG SessionImpl:3143 - 1 collections initialized
17:54:56,078 DEBUG SessionImpl:3316 - collection initialized
17:54:56,093 DEBUG JDBCTransaction:59 - commit
17:54:56,093 DEBUG SessionImpl:2267 - flushing session
17:54:56,093 DEBUG Cascades:497 - processing cascades for: pruebas.Prueba2
17:54:56,093 DEBUG Cascades:524 - cascading to collection: pruebas.Prueba2.pruebas3
17:54:56,093 DEBUG Cascades:506 - done processing cascades for: pruebas.Prueba2
17:54:56,093 DEBUG Cascades:497 - processing cascades for: pruebas.Prueba2
17:54:56,093 DEBUG Cascades:524 - cascading to collection: pruebas.Prueba2.pruebas3
17:54:56,093 DEBUG Cascades:113 - cascading to saveOrUpdate()
17:54:56,093 DEBUG SessionImpl:1382 - saveOrUpdate() persistent instance
17:54:56,093 DEBUG Cascades:506 - done processing cascades for: pruebas.Prueba2
17:54:56,109 DEBUG SessionImpl:2467 - Flushing entities and processing referenced collections
17:54:56,109 DEBUG SessionImpl:2916 - Collection found: [pruebas.Prueba2.pruebas3#pruebas.Prueba2@a2da11], was: [pruebas.Prueba2.pruebas3#pruebas.Prueba2@a2da11]
17:54:56,109 DEBUG SessionImpl:2916 - Collection found: [pruebas.Prueba1.pruebas2#1], was: [pruebas.Prueba1.pruebas2#1]
17:54:56,109 DEBUG SessionImpl:2916 - Collection found: [pruebas.Prueba2.pruebas3#pruebas.Prueba2@33505d], was: [pruebas.Prueba2.pruebas3#pruebas.Prueba2@33505d]
17:54:56,109 DEBUG SessionImpl:2808 - Processing unreferenced collections
17:54:56,109 DEBUG SessionImpl:2822 - Scheduling collection removes/(re)creates/updates
17:54:56,109 DEBUG SessionImpl:2291 - Flushed: 0 insertions, 0 updates, 0 deletions to 4 objects
17:54:56,125 DEBUG SessionImpl:2296 - Flushed: 0 (re)creations, 0 updates, 0 removals to 3 collections
17:54:56,125 DEBUG Printer:75 - listing entities:
17:54:56,125 DEBUG Printer:82 - pruebas.Prueba2{hibVersion=0, pruebas3=[]}
17:54:56,125 DEBUG Printer:82 - pruebas.Prueba2{hibVersion=0, pruebas3=[Prueba3]}
17:54:56,125 DEBUG Printer:82 - pruebas.Prueba3{hibVersion=0}
17:54:56,125 DEBUG Printer:82 - pruebas.Prueba1{hibVersion=0, pruebas2=[Prueba2], codigo=1}
17:54:56,125 DEBUG SessionImpl:2380 - executing flush
17:54:56,125 DEBUG SessionImpl:2852 - post flush
17:54:56,140 DEBUG SessionImpl:596 - transaction completion
17:54:56,140 DEBUG JDBCTransaction:103 - re-enabling autocommit
17:54:56,140 DEBUG SessionImpl:578 - closing session
17:54:56,140 DEBUG SessionImpl:3383 - disconnecting session
17:54:56,140 DEBUG SessionImpl:596 - transaction completion
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jjsilo
 Post subject: More problems
PostPosted: Wed Mar 02, 2005 5:41 pm 
Newbie

Joined: Thu Feb 24, 2005 3:51 pm
Posts: 9
Location: Montevideo, Uruguay
I've encountered the same problem with a different set of classes in my aplication.
The problem seems to be more simple than I had originaly thought:
When loading a entity with a composite id ( many-to-one, property ) and a one-to-many, inverse=true, bag using a transient instance in the many-to-one relationship, Hibernate does NOT load the collection.
I'm thinking of posting this to JIRA if no one objects...

Look at this from my previous post:
Quote:
17:54:56,125 DEBUG Printer:82 - pruebas.Prueba2{hibVersion=0, pruebas3=[]}
17:54:56,125 DEBUG Printer:82 - pruebas.Prueba2{hibVersion=0, pruebas3=[Prueba3]}


Why are there 2 instances of the same object?
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mgreer
 Post subject: Re: More problems
PostPosted: Wed Mar 02, 2005 6:34 pm 
Regular
Regular

Joined: Thu Dec 18, 2003 2:14 am
Posts: 103
Location: Brooklyn, NY
jjsilo wrote:
Why are there 2 instances of the same object?

I can only assume both of these are equals() hashcode() issues. The code above has complex equals() implementations, which I cannot claim to understand. Hard to me to distinguish between classes named Preuba1, Preuba2, Preuba3.

I would suggest both of you put some logging in your equals() implementations and confirm they are working properly in all cases.
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mgreer
 Post subject:
PostPosted: Wed Mar 02, 2005 6:36 pm 
Regular
Regular

Joined: Thu Dec 18, 2003 2:14 am
Posts: 103
Location: Brooklyn, NY
...better yet, create some unit tests. Equals has caused me problems more than once, so it is crucial to cover.
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