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murilo
 Post subject: invalid mapping The content of element type "class"
PostPosted: Wed Sep 14, 2005 5:13 pm 
Newbie

Joined: Mon Jul 11, 2005 8:34 am
Posts: 12
Hi everyone, I've searched all over for this error but I can't figure out what's going on! :( I've already double checked the database name, fields, types, package paths against the xml and classes and they all match. and I only get the error on one particular hbm.xml mapping file when it gets read. if I take it out of the hibernate.cfg.xml all the other tables/classes work fine. the error occurs when a factory is built the first time.

here's the xml that causes the problem
Code:
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD//EN"
   "hibernate-mapping-2.0.dtd">
<hibernate-mapping>
   <class name="br.gov.embrapa.proju.po.AdvogadoPO" table="proju.ADVOGADO" >
      <id name="idAdvogado" unsaved-value="null" type="int">
         <column name="AdvogadoId" not-null="true" />
         <generator class="sequence">
            <param name="sequence">proju.ADVOGADO_SQ</param>
         </generator>
      </id>
      <id name="matricula" type="int">
         <column name="matrica" not-null="true"/>
         <generator class="native"/>
      </id>
      <property name="OAB" type="java.lang.String">
         <column name="OAB" length="10" not-null="true"/>
      </property>
      <property name="observacao" type="java.lang.String">
         <column name="observacao" length="4000" not-null="true"/>
      </property>
   
      <!--<many-to-one name="matricFunc" column="MATRICA" class="br.gov.embrapa.proju.po.EmpregadoPO"/>-->
      
   </class>
</hibernate-mapping>

note: I already tried taking the <many-to-one/> line out, same error :(

the error:
Code:
SEVERE: SessionFactory failed.
net.sf.hibernate.MappingException: Error reading resource: advogado.hbm.xml
   at net.sf.hibernate.cfg.Configuration.addResource(Configuration.java:339)
   at net.sf.hibernate.cfg.Configuration.doConfigure(Configuration.java:1018)
   at net.sf.hibernate.cfg.Configuration.doConfigure(Configuration.java:974)
   at net.sf.hibernate.cfg.Configuration.configure(Configuration.java:902)
   at net.sf.hibernate.cfg.Configuration.configure(Configuration.java:888)
   at br.gov.embrapa.corporativo.util.HibernateUtil.<clinit>(HibernateUtil.java:22)
   at br.gov.embrapa.corporativo.persistencia.PersistenceService.retrieveObjs(PersistenceService.java:118)
   at br.gov.embrapa.proju.negocio.TipoAcao.getTodosTiposAcoes(TipoAcao.java:56)
   at br.gov.embrapa.proju.action.TipoAcaoAction.execute(TipoAcaoAction.java:48)
   at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
   at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
   at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
   at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
   at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
   at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
   at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
   at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
   at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
   at java.lang.Thread.run(Thread.java:534)
Caused by: net.sf.hibernate.MappingException: invalid mapping
   at net.sf.hibernate.cfg.Configuration.addInputStream(Configuration.java:287)
   at net.sf.hibernate.cfg.Configuration.addResource(Configuration.java:336)
   ... 38 more
Caused by: org.xml.sax.SAXParseException: The content of element type "class" must match "(meta*,(cache|jcs-cache)?,(id|composite-id),discriminator?,(version|timestamp)?,(property|many-to-one|one-to-one|component|dynamic-component|any|map|set|list|bag|idbag|array|primitive-array)*,(subclass*|joined-subclass*))".
   at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
   at org.apache.xerces.util.ErrorHandlerWrapper.error(Unknown Source)
   at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
   at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
   at org.apache.xerces.impl.dtd.XMLDTDValidator.handleEndElement(Unknown Source)
   at org.apache.xerces.impl.dtd.XMLDTDValidator.endElement(Unknown Source)
   at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source)
   at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
   at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
   at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
   at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)


Any suggestion would be much appreciated! Thanks in advance!
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sven
 Post subject:
PostPosted: Wed Sep 14, 2005 6:14 pm 
Expert
Expert

Joined: Thu Dec 04, 2003 12:36 pm
Posts: 275
Location: Bielefeld, Germany
Two <id> elements?!
What are you trying to do?

Best regards
Sven

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sven
 Post subject:
PostPosted: Wed Sep 14, 2005 6:19 pm 
Expert
Expert

Joined: Thu Dec 04, 2003 12:36 pm
Posts: 275
Location: Bielefeld, Germany
Well, to be a bit more precise...
Looking at the DTD the <id> element may only be used once per <class> element.

Code:
<!ELEMENT class (
  meta*,
  (cache|jcs-cache)?,
  (id|composite-id),
  discriminator?,
  (version|timestamp)?,
  (property|many-to-one|one-to-one|component|dynamic-component|any|map|set|list|bag|idbag|array|primitive-array)*,
  ((subclass*)|(joined-subclass*))
)>


If you're trying to use a composite id use the corresponding <composite-id> element instead of the <id> element and re-read the documentation.
http://www.hibernate.org/hib_docs/refer ... ompositeid

Best regards
Sven

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murilo
 Post subject:
PostPosted: Thu Sep 15, 2005 7:05 am 
Newbie

Joined: Mon Jul 11, 2005 8:34 am
Posts: 12
Thanks a million sven! I'll read the documentation right now. I heard once from someone that using composite-id isn't recommended. Is it true at all? If so, then what's the best way to deal with multiple primary keys on one table though xml so that you can relate it to other?
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sven
 Post subject:
PostPosted: Thu Sep 15, 2005 7:09 am 
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Expert

Joined: Thu Dec 04, 2003 12:36 pm
Posts: 275
Location: Bielefeld, Germany
Having the chance to choose your data model, use surrogate keys which is a best practice. If you're using a legacy database without any chance to change the data model, you can of course use composite ids in Hibernate.

Best regards
Sven

PS: You are allowed to rate my posting. ;)

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