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rodosa
 Post subject: org.hibernate.TransientObjectException
PostPosted: Mon Dec 10, 2007 6:36 am 
Newbie

Joined: Mon Dec 10, 2007 6:29 am
Posts: 8
Hello!!

I'm new in the Hibernate's world. I'm developing a small aplication in JBoss jbpm and when I'm trying to do persistence operations the following exception is thrown:

Code:
11:25:07,211 [main] ERROR DbPersistenceService : hibernate commit failed
org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flushing: org.jbpm.graph.def.Node
   at org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:219)
   at org.hibernate.type.EntityType.getIdentifier(EntityType.java:397)
   at org.hibernate.type.ManyToOneType.isDirty(ManyToOneType.java:242)
   at org.hibernate.type.TypeFactory.findDirty(TypeFactory.java:576)
   at org.hibernate.persister.entity.AbstractEntityPersister.findDirty(AbstractEntityPersister.java:3121)
   at org.hibernate.event.def.DefaultFlushEntityEventListener.dirtyCheck(DefaultFlushEntityEventListener.java:472)
   at org.hibernate.event.def.DefaultFlushEntityEventListener.isUpdateNecessary(DefaultFlushEntityEventListener.java:197)
   at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:120)
   at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:196)
   at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:76)
   at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:26)
   at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
   at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338)
   at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
   at org.jbpm.persistence.db.DbPersistenceService.commit(DbPersistenceService.java:256)
   at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:214)
   at org.jbpm.svc.Services.close(Services.java:225)
   at org.jbpm.JbpmContext.close(JbpmContext.java:139)
   at com.Ejemplo1.Test2.testEjemplo1Process(Test2.java:58)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
   at java.lang.reflect.Method.invoke(Unknown Source)
   at junit.framework.TestCase.runTest(TestCase.java:154)
   at junit.framework.TestCase.runBare(TestCase.java:127)
   at junit.framework.TestResult$1.protect(TestResult.java:106)
   at junit.framework.TestResult.runProtected(TestResult.java:124)
   at junit.framework.TestResult.run(TestResult.java:109)
   at junit.framework.TestCase.run(TestCase.java:118)
   at junit.framework.TestSuite.runTest(TestSuite.java:208)
   at junit.framework.TestSuite.run(TestSuite.java:203)
   at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
   at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
11:25:07,211 [main] DEBUG DbPersistenceService : rolling back hibernate transaction
11:25:07,258 [main] DEBUG DbPersistenceService : closing hibernate session
11:25:07,258 [main] ERROR Services : problem closing service 'persistence'
org.jbpm.persistence.JbpmPersistenceException: hibernate commit failed
   at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:219)
   at org.jbpm.svc.Services.close(Services.java:225)
   at org.jbpm.JbpmContext.close(JbpmContext.java:139)
   at com.Ejemplo1.Test2.testEjemplo1Process(Test2.java:58)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
   at java.lang.reflect.Method.invoke(Unknown Source)
   at junit.framework.TestCase.runTest(TestCase.java:154)
   at junit.framework.TestCase.runBare(TestCase.java:127)
   at junit.framework.TestResult$1.protect(TestResult.java:106)
   at junit.framework.TestResult.runProtected(TestResult.java:124)
   at junit.framework.TestResult.run(TestResult.java:109)
   at junit.framework.TestCase.run(TestCase.java:118)
   at junit.framework.TestSuite.runTest(TestSuite.java:208)
   at junit.framework.TestSuite.run(TestSuite.java:203)
   at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
   at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
Caused by: org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flushing: org.jbpm.graph.def.Node
   at org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:219)
   at org.hibernate.type.EntityType.getIdentifier(EntityType.java:397)
   at org.hibernate.type.ManyToOneType.isDirty(ManyToOneType.java:242)
   at org.hibernate.type.TypeFactory.findDirty(TypeFactory.java:576)
   at org.hibernate.persister.entity.AbstractEntityPersister.findDirty(AbstractEntityPersister.java:3121)
   at org.hibernate.event.def.DefaultFlushEntityEventListener.dirtyCheck(DefaultFlushEntityEventListener.java:472)
   at org.hibernate.event.def.DefaultFlushEntityEventListener.isUpdateNecessary(DefaultFlushEntityEventListener.java:197)
   at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:120)
   at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:196)
   at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:76)
   at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:26)
   at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
   at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338)
   at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
   at org.jbpm.persistence.db.DbPersistenceService.commit(DbPersistenceService.java:256)
   at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:214)
   ... 21 more



Could somebody give me a reason or solution of that?

Thank you! Regards
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laura_a
 Post subject:
PostPosted: Mon Dec 10, 2007 6:53 am 
Newbie

Joined: Tue Nov 20, 2007 4:57 am
Posts: 7
It would be easier if you could post the mapping files as well, but when I had a problem similar to this, I had not mapped an unsaved value in the id field and Hibernate considered an object with id 0 to be unsaved (whether this is default behaviour or it was set in another part of the application i do not know).

Try to see if you have an object with id=0 that is being saved. If you have, in the mapping, where you set the id, set an unsaved-value other than 0. -1 worked for me
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rodosa
 Post subject:
PostPosted: Mon Dec 10, 2007 7:20 am 
Newbie

Joined: Mon Dec 10, 2007 6:29 am
Posts: 8
Than you laura_a for your reply. I don't understand you very well. I dont' know where I can see or modify the id my objects :( . This is the hibernate.cfg.xml file


Code:
<?xml version='1.0' encoding='utf-8'?>

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

<hibernate-configuration>
  <session-factory>

    <!-- hibernate dialect -->
    <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>

    <!-- JDBC connection properties (begin) -->
    <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
    <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/jbpmdb</property>
    <property name="hibernate.connection.username">user</property>
    <property name="hibernate.connection.password">password</property>
     <!-- JDBC connection properties (end) -->
     
    <property name="hibernate.cache.provider_class">org.hibernate.cache.HashtableCacheProvider</property>
    <property name="hibernate.show_sql">true</property>
    <property name="hibernate.format_sql">true</property>
    <property name="hibernate.use_sql_comments">true</property>
   
   
    <!-- DataSource properties (begin) === 
    <property name="hibernate.connection.datasource">java:/JbpmDS</property>
    ==== DataSource properties (end) -->
   
    <!-- JTA transaction properties (begin) ===
    <property name="hibernate.transaction.factory_class">org.hibernate.transaction.JTATransactionFactory</property>
    <property name="hibernate.transaction.manager_lookup_class">org.hibernate.transaction.JBossTransactionManagerLookup</property>
    ==== JTA transaction properties (end) -->

    <!-- CMT transaction properties (begin) ===
    <property name="hibernate.transaction.factory_class">org.hibernate.transaction.CMTTransactionFactory</property>
    <property name="hibernate.transaction.manager_lookup_class">org.hibernate.transaction.JBossTransactionManagerLookup</property>
    ==== CMT transaction properties (end) -->

    <!-- logging properties (begin) ===
    <property name="hibernate.show_sql">true</property>
    <property name="hibernate.format_sql">true</property>
    <property name="hibernate.use_sql_comments">true</property>
    ==== logging properties (end) -->
   
    <!-- ############################################ -->
    <!-- # mapping files with external dependencies # -->
    <!-- ############################################ -->

    <!-- following mapping file has a dependendy on   -->
    <!-- 'bsh-{version}.jar'.                         -->
    <!-- uncomment this if you don't have bsh on your -->
    <!-- classpath.  you won't be able to use the     -->
    <!-- script element in process definition files   -->
    <mapping resource="org/jbpm/graph/action/Script.hbm.xml"/>

    <!-- following mapping files have a dependendy on  -->
    <!-- 'jbpm-identity.jar', mapping files            -->
    <!-- of the pluggable jbpm identity component.     -->
    <!-- Uncomment the following 3 lines if you        -->
    <!-- want to use the jBPM identity mgmgt           -->
    <!-- component.                                    -->
    <!-- identity mappings (begin) -->
    <mapping resource="org/jbpm/identity/User.hbm.xml"/>
    <mapping resource="org/jbpm/identity/Group.hbm.xml"/>
    <mapping resource="org/jbpm/identity/Membership.hbm.xml"/>
    <!-- identity mappings (end) -->
   
    <!-- following mapping files have a dependendy on  -->
    <!-- the JCR API                                   -->
    <!-- jcr mappings (begin) ===
    <mapping resource="org/jbpm/context/exe/variableinstance/JcrNodeInstance.hbm.xml"/>
    ==== jcr mappings (end) -->


    <!-- ###################### -->
    <!-- # jbpm mapping files # -->
    <!-- ###################### -->

    <!-- hql queries and type defs -->
    <mapping resource="org/jbpm/db/hibernate.queries.hbm.xml" />

    <!-- graph.action mapping files -->
    <mapping resource="org/jbpm/graph/action/MailAction.hbm.xml"/>
   
    <!-- graph.def mapping files -->
    <mapping resource="org/jbpm/graph/def/ProcessDefinition.hbm.xml"/>
    <mapping resource="org/jbpm/graph/def/Node.hbm.xml"/>
    <mapping resource="org/jbpm/graph/def/Transition.hbm.xml"/>
    <mapping resource="org/jbpm/graph/def/Event.hbm.xml"/>
    <mapping resource="org/jbpm/graph/def/Action.hbm.xml"/>
    <mapping resource="org/jbpm/graph/def/SuperState.hbm.xml"/>
    <mapping resource="org/jbpm/graph/def/ExceptionHandler.hbm.xml"/>
    <mapping resource="org/jbpm/instantiation/Delegation.hbm.xml"/>

    <!-- graph.node mapping files -->
    <mapping resource="org/jbpm/graph/node/StartState.hbm.xml"/>
    <mapping resource="org/jbpm/graph/node/EndState.hbm.xml"/>
    <mapping resource="org/jbpm/graph/node/ProcessState.hbm.xml"/>
    <mapping resource="org/jbpm/graph/node/Decision.hbm.xml"/>
    <mapping resource="org/jbpm/graph/node/Fork.hbm.xml"/>
    <mapping resource="org/jbpm/graph/node/Join.hbm.xml"/>
    <mapping resource="org/jbpm/graph/node/MailNode.hbm.xml"/>
    <mapping resource="org/jbpm/graph/node/State.hbm.xml"/>
    <mapping resource="org/jbpm/graph/node/TaskNode.hbm.xml"/>

    <!-- context.def mapping files -->
    <mapping resource="org/jbpm/context/def/ContextDefinition.hbm.xml"/>
    <mapping resource="org/jbpm/context/def/VariableAccess.hbm.xml"/>

    <!-- taskmgmt.def mapping files -->
    <mapping resource="org/jbpm/taskmgmt/def/TaskMgmtDefinition.hbm.xml"/>
    <mapping resource="org/jbpm/taskmgmt/def/Swimlane.hbm.xml"/>
    <mapping resource="org/jbpm/taskmgmt/def/Task.hbm.xml"/>
    <mapping resource="org/jbpm/taskmgmt/def/TaskController.hbm.xml"/>

    <!-- module.def mapping files -->
    <mapping resource="org/jbpm/module/def/ModuleDefinition.hbm.xml"/>

    <!-- bytes mapping files -->
    <mapping resource="org/jbpm/bytes/ByteArray.hbm.xml"/>

    <!-- file.def mapping files -->
    <mapping resource="org/jbpm/file/def/FileDefinition.hbm.xml"/>

    <!-- scheduler.def mapping files -->
    <mapping resource="org/jbpm/scheduler/def/CreateTimerAction.hbm.xml"/>
    <mapping resource="org/jbpm/scheduler/def/CancelTimerAction.hbm.xml"/>

    <!-- graph.exe mapping files -->
    <mapping resource="org/jbpm/graph/exe/Comment.hbm.xml"/>
    <mapping resource="org/jbpm/graph/exe/ProcessInstance.hbm.xml"/>
    <mapping resource="org/jbpm/graph/exe/Token.hbm.xml"/>
    <mapping resource="org/jbpm/graph/exe/RuntimeAction.hbm.xml"/>

    <!-- module.exe mapping files -->
    <mapping resource="org/jbpm/module/exe/ModuleInstance.hbm.xml"/>
       
    <!-- context.exe mapping files -->
    <mapping resource="org/jbpm/context/exe/ContextInstance.hbm.xml"/>
    <mapping resource="org/jbpm/context/exe/TokenVariableMap.hbm.xml"/>
    <mapping resource="org/jbpm/context/exe/VariableInstance.hbm.xml"/>
    <mapping resource="org/jbpm/context/exe/variableinstance/ByteArrayInstance.hbm.xml"/>
    <mapping resource="org/jbpm/context/exe/variableinstance/DateInstance.hbm.xml"/>
    <mapping resource="org/jbpm/context/exe/variableinstance/DoubleInstance.hbm.xml"/>
    <mapping resource="org/jbpm/context/exe/variableinstance/HibernateLongInstance.hbm.xml"/>
    <mapping resource="org/jbpm/context/exe/variableinstance/HibernateStringInstance.hbm.xml"/>
    <mapping resource="org/jbpm/context/exe/variableinstance/LongInstance.hbm.xml"/>
    <mapping resource="org/jbpm/context/exe/variableinstance/NullInstance.hbm.xml"/>
    <mapping resource="org/jbpm/context/exe/variableinstance/StringInstance.hbm.xml"/>

    <!-- job mapping files -->
    <mapping resource="org/jbpm/job/Job.hbm.xml"/>
    <mapping resource="org/jbpm/job/Timer.hbm.xml"/>
    <mapping resource="org/jbpm/job/ExecuteNodeJob.hbm.xml"/>
    <mapping resource="org/jbpm/job/ExecuteActionJob.hbm.xml"/>

    <!-- taskmgmt.exe mapping files -->
    <mapping resource="org/jbpm/taskmgmt/exe/TaskMgmtInstance.hbm.xml"/>
    <mapping resource="org/jbpm/taskmgmt/exe/TaskInstance.hbm.xml"/>
    <mapping resource="org/jbpm/taskmgmt/exe/PooledActor.hbm.xml"/>
    <mapping resource="org/jbpm/taskmgmt/exe/SwimlaneInstance.hbm.xml"/>

    <!-- logging mapping files -->
    <mapping resource="org/jbpm/logging/log/ProcessLog.hbm.xml"/>
    <mapping resource="org/jbpm/logging/log/MessageLog.hbm.xml"/>
    <mapping resource="org/jbpm/logging/log/CompositeLog.hbm.xml"/>
    <mapping resource="org/jbpm/graph/log/ActionLog.hbm.xml"/>
    <mapping resource="org/jbpm/graph/log/NodeLog.hbm.xml"/>
    <mapping resource="org/jbpm/graph/log/ProcessInstanceCreateLog.hbm.xml"/>
    <mapping resource="org/jbpm/graph/log/ProcessInstanceEndLog.hbm.xml"/>
    <mapping resource="org/jbpm/graph/log/ProcessStateLog.hbm.xml"/>
    <mapping resource="org/jbpm/graph/log/SignalLog.hbm.xml"/>
    <mapping resource="org/jbpm/graph/log/TokenCreateLog.hbm.xml"/>
    <mapping resource="org/jbpm/graph/log/TokenEndLog.hbm.xml"/>
    <mapping resource="org/jbpm/graph/log/TransitionLog.hbm.xml"/>
    <mapping resource="org/jbpm/context/log/VariableLog.hbm.xml"/>
    <mapping resource="org/jbpm/context/log/VariableCreateLog.hbm.xml"/>
    <mapping resource="org/jbpm/context/log/VariableDeleteLog.hbm.xml"/>
    <mapping resource="org/jbpm/context/log/VariableUpdateLog.hbm.xml"/>
    <mapping resource="org/jbpm/context/log/variableinstance/ByteArrayUpdateLog.hbm.xml"/>
    <mapping resource="org/jbpm/context/log/variableinstance/DateUpdateLog.hbm.xml"/>
    <mapping resource="org/jbpm/context/log/variableinstance/DoubleUpdateLog.hbm.xml"/>
    <mapping resource="org/jbpm/context/log/variableinstance/HibernateLongUpdateLog.hbm.xml"/>
    <mapping resource="org/jbpm/context/log/variableinstance/HibernateStringUpdateLog.hbm.xml"/>
    <mapping resource="org/jbpm/context/log/variableinstance/LongUpdateLog.hbm.xml"/>
    <mapping resource="org/jbpm/context/log/variableinstance/StringUpdateLog.hbm.xml"/>
    <mapping resource="org/jbpm/taskmgmt/log/TaskLog.hbm.xml"/>
    <mapping resource="org/jbpm/taskmgmt/log/TaskCreateLog.hbm.xml"/>
    <mapping resource="org/jbpm/taskmgmt/log/TaskAssignLog.hbm.xml"/>
    <mapping resource="org/jbpm/taskmgmt/log/TaskEndLog.hbm.xml"/>
    <mapping resource="org/jbpm/taskmgmt/log/SwimlaneLog.hbm.xml"/>
    <mapping resource="org/jbpm/taskmgmt/log/SwimlaneCreateLog.hbm.xml"/>
    <mapping resource="org/jbpm/taskmgmt/log/SwimlaneAssignLog.hbm.xml"/>
   
  </session-factory>
</hibernate-configuration>


Thank you in advance,
Regards
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laura_a
 Post subject:
PostPosted: Tue Dec 11, 2007 4:40 am 
Newbie

Joined: Tue Nov 20, 2007 4:57 am
Posts: 7
There are a few ways to see what is the id of the object being saved. One is to turn on (just for debugging!) the sql commands - and you will see in the console exactly what hibernate is doing and inserting into the database.

Another one is to simply printout the id of the object being saved.

You can read about the unsaved value here:
http://www.hibernate.org/hib_docs/refer ... pping.html

I also suggest checking out this blog post, it helped me solve my problem:
http://almaer.com/blog/watch-out-for-hi ... aved-value
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rodosa
 Post subject:
PostPosted: Fri Dec 14, 2007 8:48 am 
Newbie

Joined: Mon Dec 10, 2007 6:29 am
Posts: 8
Hello again!!!

Than you for your reply. Yes, the object that I'm trying to save to DB have identifier 0. But ... I can't change this. Moreover, I don't know because the object have as iD 0, because in the archive is indicated with <native> that the ID is generated agree with the DB (where it's indicates that the ID>=1 ), but ... it doesn't work! Any ideas?

Thanks in advance,

Regrads
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