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bim
 Post subject: entity unknown although it is existent
PostPosted: Sun Sep 18, 2005 10:23 am 
Newbie

Joined: Sun Sep 18, 2005 9:05 am
Posts: 4
i'm using andromda (andromda-bin-3.1-RC1-SNAPSHOT) to generate my java-classes and hibernate mapping files. from those generated files i've generated my DB-tables using hbm2DDL.
now i'm trying to save a transient object graph and become the following exception:


Hibernate version: 3.0.5

Full stack trace of any exception that occurs:
org.hibernate.MappingException: Unknown entity: business.model.FormVersionImpl
at org.hibernate.impl.SessionFactoryImpl.getEntityPersister(SessionFactoryImpl.java:569)
at org.hibernate.impl.SessionImpl.getEntityPersister(SessionImpl.java:1086)
at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:83)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:184)
at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:33)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:173)
at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:27)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:69)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:481)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:476)
at test.FormVersionTest.testCascadedCreateFormVersion(FormVersionTest.java:82)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:85)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:58)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:60)
at java.lang.reflect.Method.invoke(Method.java:391)
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.RemoteTestRunner.runTests(RemoteTestRunner.java:436)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:311)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)

Name and version of the database you are using: DB2 v8




The class 'business.model.FormVersionImpl' has also been generated with the abstract class 'business.model.FormVersion'. they are all in the same package. why is hibernate missing it?

thanx for any help!
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ErikFK
 Post subject:
PostPosted: Sun Sep 18, 2005 10:36 am 
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Joined: Fri Sep 02, 2005 4:21 am
Posts: 206
Location: Vienna
I would say that something is wrong in your mapping.

Could you post your mapping (complete mapping of FormVersionImpln class) and the test code (at least test.FormVersionTest.testCascadedCreateFormVersion)?

Erik
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bim
 Post subject:
PostPosted: Sun Sep 18, 2005 11:10 am 
Newbie

Joined: Sun Sep 18, 2005 9:05 am
Posts: 4
hi erik,

thanx for your interest. here the mapping file:
Code:
<hibernate-mapping default-cascade="none">
    <class name="business.model.FormVersionImpl" table="FOXF02" dynamic-insert="false" dynamic-update="false">
        <id name="formVersionId" type="long" unsaved-value="0">
            <column name="ID_FODE" sql-type="BIGINT"/>
            <generator class="increment">
            </generator>
        </id>
        <property name="revision" type="long">
            <column name="REVISION" not-null="true" unique="false" sql-type="BIGINT"/>
        </property>
        <property name="width" type="int">
            <column name="FORMWIDTH" not-null="true" unique="false" sql-type="INTEGER"/>
        </property>
        <property name="CA_STATUS" type="int">
            <column name="CA_STATUS" not-null="true" unique="false" sql-type="INTEGER"/>
        </property>
        <property name="status" type="short">
            <column name="CO_STATUS" not-null="true" unique="false" sql-type="SMALLINT"/>
        </property>
        <property name="lockuser" type="java.lang.String">
            <column name="LOCKUSER" not-null="true" unique="false" sql-type="VARCHAR(256)"/>
        </property>
        <property name="startDate" type="java.util.Date">
            <column name="STARTDATE" not-null="true" unique="false" sql-type="DATE"/>
        </property>
        <property name="endDate" type="java.util.Date">
            <column name="ENDDATE" not-null="true" unique="false" sql-type="DATE"/>
        </property>
        <property name="formId" type="long">
            <column name="ID_FOTY" not-null="true" unique="false" sql-type="BIGINT"/>
        </property>
        <property name="spare" type="int">
            <column name="SPARE" not-null="true" unique="false" sql-type="INTEGER"/>
        </property>
        <property name="textFont" type="java.lang.String">
            <column name="TXTFONT" not-null="true" unique="false" sql-type="VARCHAR(256)"/>
        </property>
        <property name="refFont" type="java.lang.String">
            <column name="REFFONT" not-null="true" unique="false" sql-type="VARCHAR(256)"/>
        </property>
        <property name="splitTop" type="int">
            <column name="SPLITTOP" not-null="true" unique="false" sql-type="INTEGER"/>
        </property>
        <property name="splitLeft" type="int">
            <column name="SPLITLEFT" not-null="true" unique="false" sql-type="INTEGER"/>
        </property>
        <property name="labelReferenceKey" type="long">
            <column name="ID_POREKE" not-null="true" unique="false" sql-type="BIGINT"/>
        </property>
        <property name="sortNumber" type="int">
            <column name="SORTNUMBER" not-null="true" unique="false" sql-type="INTEGER"/>
        </property>
        <property name="organizationUnit" type="java.lang.String">
            <column name="ORGUNIT" not-null="true" unique="false" sql-type="VARCHAR(256)"/>
        </property>
        <property name="numberOfFreezedBlocksAtTop" type="int">
            <column name="XFRZBLKTOP" not-null="true" unique="false" sql-type="INTEGER"/>
        </property>
        <property name="numberOfFreezedRowsInLastBlockTop" type="int">
            <column name="XFRZCCTOP" not-null="true" unique="false" sql-type="INTEGER"/>
        </property>
        <property name="numberOfFreezedColumnsAtLeft" type="int">
            <column name="XFRZCCLEFT" not-null="true" unique="false" sql-type="INTEGER"/>
        </property>
        <property name="createDate" type="java.sql.Timestamp">
            <column name="CREATEDATE" not-null="true" unique="false" sql-type="TIMESTAMP"/>
        </property>
        <property name="createUser" type="java.lang.String">
            <column name="CREATEUSER" not-null="true" unique="false" sql-type="VARCHAR(256)"/>
        </property>
        <property name="updateDate" type="java.util.Date">
            <column name="updateDate" not-null="true" unique="false" sql-type="DATE"/>
        </property>
        <property name="CUser" type="java.lang.String">
            <column name="CUSER" not-null="true" unique="false" sql-type="VARCHAR(256)"/>
        </property>
        <property name="CDate" type="java.sql.Timestamp">
            <column name="CDATE" not-null="true" unique="false" sql-type="TIMESTAMP"/>
        </property>
        <property name="UUser" type="java.lang.String">
            <column name="UUSER" not-null="true" unique="false" sql-type="VARCHAR(256)"/>
        </property>
        <property name="UDate" type="java.sql.Timestamp">
            <column name="UDATE" not-null="true" unique="false" sql-type="TIMESTAMP"/>
        </property>
        <property name="updateUser" type="java.lang.String">
            <column name="UPDATEUSER" not-null="true" unique="false" sql-type="VARCHAR(256)"/>
        </property>
        <set name="blockList" order-by="ID_FODE" lazy="true" fetch="select" inverse="true">
            <key foreign-key="FOXF03_ID_FODEC">
                <column name="ID_FODE" sql-type="BIGINT"/>
            </key>
            <one-to-many class="business.model.BlockImpl"/>
        </set>
    </class>
</hibernate-mapping> 



... and the test code...

Code:
public void testCascadedCreateFormVersion()
   {
      FormVersion fullFormVersion = (FormVersion)getFullFormVersion();
      HibernateUtil.beginnTransaction();
      
      Session session = HibernateUtil.getSession();
      session.save(fullFormVersion);
      
      HibernateUtil.commitTransaction();
        HibernateUtil.closeSession();
   }



the method 'getFullFormVersion' returns a new created instance of 'FormVersionImpl'
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ErikFK
 Post subject:
PostPosted: Sun Sep 18, 2005 12:17 pm 
Pro
Pro

Joined: Fri Sep 02, 2005 4:21 am
Posts: 206
Location: Vienna
Hi,

The problem is not the mapping file, but probably hibernate.cfg.xml: I can reproduce your error if I "forget" to declare the mapping of FormVersionImpl in the Hibernate config file.

Erik
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bim
 Post subject:
PostPosted: Sun Sep 18, 2005 12:40 pm 
Newbie

Joined: Sun Sep 18, 2005 9:05 am
Posts: 4
great!!
that's the problem. i did comment out the mappings from config (don't ask me wy, i don't remember. i was trying something...) and didn't notice it.

thanxs a lot!
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