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ggalvao
 Post subject: session.get() does not return persistent object?!
PostPosted: Tue May 16, 2006 12:01 pm 
Newbie

Joined: Fri Apr 28, 2006 3:46 pm
Posts: 8
When I do

session.get() the returned object is NEVER considered to be persistent. Because when I set it to another one (see code excerpt) and try to persist it, the exception thrown is "not-null or transient property".



Hibernate version: 3.0

Mapping documents:
Code:
<hibernate-mapping>
    <class name="br.gov.trern.siasf.suprimentos.dominio.Situacao" table="TB_SITUACAO" schema="SIASF">
        <id name="id" type="big_decimal">
            <column name="ID_SITUACAO" precision="22" scale="0" />
            <generator class="assigned" />
        </id>
        <property name="codigoSituacao" type="string">
            <column name="CDSITUACAO" length="2" not-null="true" />
        </property>
        <property name="descricaoSituacao" type="string">
            <column name="DESITUACAO" length="50" />
        </property>
        <set name="historicoSuprimentos" inverse="true" cascade="all">
            <key>
                <column name="ID_SITUACAO" precision="22" scale="0" />
            </key>
            <one-to-many class="br.gov.trern.siasf.suprimentos.dominio.HistoricoSuprimento" />
        </set>
    </class>
</hibernate-mapping>


Code:
<hibernate-mapping>
    <class name="br.gov.trern.siasf.suprimentos.dominio.HistoricoSuprimento" table="TB_HISTORICO_SUPRIMENTO" schema="SIASF">
        <id name="id" type="long">
            <column name="ID_HISTORICO_SUPRIMENTO" precision="22" scale="0" />
            <generator class="seqhilo">
                <param name="sequence">seq_geral</param>
            </generator>
        </id>
        <many-to-one name="situacao" class="br.gov.trern.siasf.suprimentos.dominio.Situacao" fetch="select">
            <column name="ID_SITUACAO" precision="22" scale="0" />
        </many-to-one>
        <many-to-one name="solicitacao" class="br.gov.trern.siasf.suprimentos.dominio.SolicitaSuprimento" fetch="select">
            <column name="ID_SOLICITACAO_SUPRIMENTO" precision="22" scale="0" not-null="true" />
        </many-to-one>
        <property name="dataAlteracao" type="date">
            <column name="DTALTERAÇÃO" length="7" />
        </property>
    </class>
</hibernate-mapping>

Code between sessionFactory.openSession() and session.close():
Code:
            session.beginTransaction();
           
           
           
           
            historico.setSituacao((Situacao) session.get(Situacao.class,new BigDecimal(1)));
           
            session.save(historico);
           
            solicitacao.getHistoricoSuprimentos().add(historico);
           
            String id = Long.toString(solicitacao.getId());
            solicitacao.setNumeroSolicitacao(new BigDecimal(String.valueOf(GregorianCalendar.getInstance().get(Calendar.YEAR)) + id));
           
            session.save(solicitacao);
           
           
           
           
            session.getTransaction().commit();


Full stack trace of any exception that occurs:
Code:
org.hibernate.PropertyValueException: not-null property references a null or transient value: br.gov.trern.siasf.suprimentos.dominio.HistoricoSuprimento.solicitacao
        at org.hibernate.engine.Nullability.checkNullability(Nullability.java:72)
        at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:265)
        at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:167)
        at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:114)
        at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:186)
        at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:33)
        at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:175)
        at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:27)
        at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)
        at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:530)
        at org.hibernate.impl.SessionImpl.save(SessionImpl.java:518)
        at org.hibernate.impl.SessionImpl.save(SessionImpl.java:514)
        at br.gov.trern.siasf.suprimentos.negocio.SolicitacaoNegocio.insertSolicitacao(SolicitacaoNegocio.java:161)
        at br.gov.trern.siasf.suprimentos.dominio.SolicitaSuprimento.solicita(SolicitaSuprimento.java:375)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:126)
        at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:72)
        at javax.faces.component.UICommand.broadcast(UICommand.java:312)
        at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:267)
        at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:381)
        at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:75)
        at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
        at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:90)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:362)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
        at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
        at java.lang.Thread.run(Thread.java:595)

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

The generated SQL (show_sql=true):
Code:
Hibernate: select seq_geral.nextval from dual
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bkmr_77
 Post subject:
PostPosted: Tue May 16, 2006 12:17 pm 
Expert
Expert

Joined: Tue Apr 25, 2006 12:04 pm
Posts: 260
Try this code, though there is not much change. see the comment

Code:
session.beginTransaction();
Situacao situacaoObject = (Situacao) session.get(Situacao.class,new BigDecimal(1));
historico.setSituacao( situacaoObject );

// I dont want to save it YET
//session.save(historico);

solicitacao.getHistoricoSuprimentos().add( historico );
String id = Long.toString( solicitacao.getId() );
solicitacao.setNumeroSolicitacao( new BigDecimal( String.valueOf( GregorianCalendar.getInstance().get( Calendar.YEAR) ) + id ) );

session.save( solicitacao );
session.getTransaction().commit();


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ggalvao
 Post subject:
PostPosted: Tue May 16, 2006 12:24 pm 
Newbie

Joined: Fri Apr 28, 2006 3:46 pm
Posts: 8
I've already tried that. It just delays the exception to the next save() call.
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ggalvao
 Post subject:
PostPosted: Tue May 16, 2006 12:34 pm 
Newbie

Joined: Fri Apr 28, 2006 3:46 pm
Posts: 8
Corrected it. Actually that post made me re-debug and I found out one object with a null-value!
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