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mriou
 Post subject: PropertyAccessException with CGLib (not primitve pb)
PostPosted: Wed Sep 17, 2003 11:46 am 
Newbie

Joined: Mon Sep 01, 2003 1:22 pm
Posts: 16
Location: France
Hi,

I'm getting a PropertyAccessException from Hibernate when it tries to set a property with CGLib but all my primitive types are declared as NOT NULL. Here is the exception :

Code:
org.smartcomps.twister.common.persistence.DBSessionExecutionException: net.sf.hibernate.PropertyAccessException: exception setting property value with CGLIB setter of org.smartcomps.twister.engine.priv.core.dynamic.impl.InvokeECImpl.?
   at org.smartcomps.twister.engine.priv.core.dynamic.impl.dao.ProcessInstanceDAO.findInstanceByCorrelation(ProcessInstanceDAO.java:38)
   at org.smartcomps.twister.engine.priv.core.dynamic.ProcessInstanceFactory.findInstanceByCorrelation(ProcessInstanceFactory.java:95)
   at org.smartcomps.twister.engine.core.dynamic.TestSequenceEC.testExecute(TestSequenceEC.java:54)
   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:324)
   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 junit.textui.TestRunner.doRun(TestRunner.java:116)
   at junit.textui.TestRunner.start(TestRunner.java:172)
   at com.intellij.rt.execution.junit.TextTestRunner.main(TextTestRunner.java:12)
Caused by: net.sf.hibernate.PropertyAccessException: exception setting property value with CGLIB setter of org.smartcomps.twister.engine.priv.core.dynamic.impl.InvokeECImpl.?
   at net.sf.hibernate.persister.AbstractEntityPersister.setPropertyValues(AbstractEntityPersister.java:163)
   at net.sf.hibernate.impl.SessionImpl.initializeEntity(SessionImpl.java:1973)
   at net.sf.hibernate.loader.Loader.doFind(Loader.java:196)
   at net.sf.hibernate.loader.Loader.loadCollection(Loader.java:588)
   at net.sf.hibernate.loader.OneToManyLoader.initialize(OneToManyLoader.java:102)
   at net.sf.hibernate.impl.SessionImpl.initialize(SessionImpl.java:2844)
   at net.sf.hibernate.collection.PersistentCollection.getInitialValue(PersistentCollection.java:128)
   at net.sf.hibernate.type.PersistentCollectionType.getCollection(PersistentCollectionType.java:70)
   at net.sf.hibernate.type.PersistentCollectionType.resolveIdentifier(PersistentCollectionType.java:170)
   at net.sf.hibernate.impl.SessionImpl.initializeEntity(SessionImpl.java:1971)
   at net.sf.hibernate.loader.Loader.doFind(Loader.java:196)
   at net.sf.hibernate.loader.Loader.loadCollection(Loader.java:588)
   at net.sf.hibernate.loader.OneToManyLoader.initialize(OneToManyLoader.java:102)
   at net.sf.hibernate.impl.SessionImpl.initialize(SessionImpl.java:2844)
   at net.sf.hibernate.collection.PersistentCollection.getInitialValue(PersistentCollection.java:128)
   at net.sf.hibernate.type.PersistentCollectionType.getCollection(PersistentCollectionType.java:70)
   at net.sf.hibernate.type.PersistentCollectionType.resolveIdentifier(PersistentCollectionType.java:170)
   at net.sf.hibernate.impl.SessionImpl.initializeEntity(SessionImpl.java:1971)
   at net.sf.hibernate.loader.Loader.doFind(Loader.java:196)
   at net.sf.hibernate.loader.Loader.loadEntity(Loader.java:573)
   at net.sf.hibernate.loader.EntityLoader.load(EntityLoader.java:42)
   at net.sf.hibernate.persister.EntityPersister.load(EntityPersister.java:392)
   at net.sf.hibernate.impl.SessionImpl.doLoad(SessionImpl.java:1901)
   at net.sf.hibernate.impl.SessionImpl.doLoadByClass(SessionImpl.java:1769)
   at net.sf.hibernate.impl.SessionImpl.internalLoad(SessionImpl.java:1728)
   at net.sf.hibernate.type.ManyToOneType.resolveIdentifier(ManyToOneType.java:62)
   at net.sf.hibernate.impl.SessionImpl.initializeEntity(SessionImpl.java:1971)
   at net.sf.hibernate.loader.Loader.doFind(Loader.java:196)
   at net.sf.hibernate.loader.Loader.find(Loader.java:606)
   at net.sf.hibernate.hql.QueryTranslator.find(QueryTranslator.java:912)
   at net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:1356)
   at net.sf.hibernate.impl.QueryImpl.list(QueryImpl.java:76)
   at org.smartcomps.twister.engine.priv.core.dynamic.impl.dao.ProcessInstanceDAO.findInstanceByCorrelation(ProcessInstanceDAO.java:36)
   ... 17 more
Caused by: java.lang.ClassCastException
   at org.smartcomps.twister.engine.priv.core.dynamic.impl.InvokeECImplMetaClass3.setPropertyValues(<generated>)
   at net.sf.hibernate.persister.AbstractEntityPersister.setPropertyValues(AbstractEntityPersister.java:158)
   ... 49 more


And here is my mapping (note that all primitive types are not null) :

Code:
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD//EN"
        "http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd">

<hibernate-mapping>
    <class name="org.smartcomps.twister.engine.priv.core.dynamic.impl.ExecutionContextImpl" table="EXEC_CONTEXT">
        <id name="id" column="ID" type="long">
            <generator class="hilo">
                <param name="table">CONTEXT_ID</param>
                <param name="column">NEXT</param>
            </generator>
        </id>
        <discriminator column="TYPE"/>

        <property name="status" type="int" not-null="true"/>
        <property name="index" type="int" column="POS" not-null="true"/>

        <set name="processInstance" inverse="true">
            <key column="EC_ID"/>
            <one-to-many class="org.smartcomps.twister.engine.priv.core.dynamic.impl.ProcessInstanceImpl"/>
        </set>
      <many-to-one name="container"
         class="org.smartcomps.twister.engine.priv.core.definition.impl.StructuredActivityImpl" column="CONTAINER_ID"/>

        <subclass name="org.smartcomps.twister.engine.priv.core.dynamic.impl.WaitECImpl" discriminator-value="WAITEC">
         <property name="dueDate" type="timestamp"/>
        </subclass>
        <subclass name="org.smartcomps.twister.engine.priv.core.dynamic.impl.InvokeECImpl" discriminator-value="INVOKEEC">
        </subclass>

      <subclass name="org.smartcomps.twister.engine.priv.core.dynamic.impl.StructuredECImpl" discriminator-value="STRUCTEC">
         <set name="executionContextsSet" inverse="true" order-by="POS asc">
            <key column="CONTAINER_ID"/>
            <one-to-many class="org.smartcomps.twister.engine.priv.core.dynamic.impl.ExecutionContextImpl"/>
         </set>
         <many-to-one name="activity"
            class="org.smartcomps.twister.engine.priv.core.definition.impl.StructuredActivityImpl" column="STRUCT_ACT_ID"/>

         <subclass name="org.smartcomps.twister.engine.priv.core.dynamic.impl.SequenceECImpl" discriminator-value="SEQEC">            
         </subclass>
      </subclass>

    </class>
</hibernate-mapping>


Thanks for any help though, debugging this stuff is a nightmare (I even couldn't disable CGLib with the
hibernate.cglib.use_reflection_optimizer property in hibernate config file though).

Matt.
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gavin
 Post subject:
PostPosted: Wed Sep 17, 2003 12:40 pm 
Hibernate Team
Hibernate Team

Joined: Tue Aug 26, 2003 12:50 pm
Posts: 5130
Location: Melbourne, Australia
This property must go into hibernate.properties. See the Javadoc for the Environment class.
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steve
 Post subject:
PostPosted: Wed Sep 17, 2003 12:42 pm 
Hibernate Team
Hibernate Team

Joined: Tue Aug 26, 2003 3:00 pm
Posts: 1816
Location: Austin, TX
You are getting a ClassCastException. What is org.smartcomps.twister.engine.priv.core.dynamic.impl.InvokeECImplMetaClass3.setPropertyValues() trying to do? Thats where the ClassCastException originates from.
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mriou
 Post subject:
PostPosted: Wed Sep 17, 2003 1:45 pm 
Newbie

Joined: Mon Sep 01, 2003 1:22 pm
Posts: 16
Location: France
Yes, I saw the NullPointerException in the stacktrace but the InvokeECImplMetaClass3 is generated by hibernate and CGLib, it's not one of my classes, I have no way to see what it's doing (as it's dynamically generated).
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