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Jason Hoppes
 Post subject: String mapping for DB2 fixed character columns
PostPosted: Tue Aug 29, 2006 3:06 pm 
Newbie

Joined: Tue Aug 29, 2006 1:50 pm
Posts: 2
Location: Owings Mills, MD
Need help with Hibernate? Read this first:
http://www.hibernate.org/ForumMailingli ... AskForHelp

PLNNUM is a CHAR[6] column. Hibernate is trying to map to the persistent bean whose property is type:
Code:
java.lang.String.
It looks like it wants:
Code:
char[]
(which throws a whole different error). I'm relatively new to Hibernate so I'm sure this is just something I am doing incorrectly. Please help.

Hibernate version:
Hibernate 3.1
Mapping documents:
Code:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
                                   "C:/develop/PHR/PHRHibernatePrototypeWEB/WebContent/WEB-INF/lib/hibernate-mapping-3.0.dtd" >
<hibernate-mapping package="org.hibernate.test.metadata.onetoone" default-cascade="none" default-access="property" auto-import="true">
   <class name="com.trp.phr.xmlmanagement.XMLText" table="VPAS_PLN_NTV_LOB">
      <composite-id name="id" class="com.trp.phr.xmlmanagement.XMLId">
          <key-property name="planNumber" column="PLNNUM" type="string"/>
          <key-property name="nativeCode" column="NTV_CD" type="string"/>
          <key-property name="filterCode" column="FLT_CD" type="string"/>             
      </composite-id>
      <property name="text" column="XML_TST_CLB" type="string"/>
   </class>
</hibernate-mapping>

Code between sessionFactory.openSession() and session.close():
Code:
    public XMLText retrieveValidationXML(XMLText xmlt)
    {
        PluginFactory factory = new PluginFactory();
       
        //These are just wrapper classes!
        IPersistence persistence = factory.createPersistenceObject();
        ISession session = persistence.getSession();
        ITransaction transaction = session.getTransaction();
       
        XMLText xmltxt = null;
       
        transaction.begin();
        try
        {
            xmltxt = (XMLText) persistence.retrievePOJO(XMLText.class, xmlt);
            transaction.commit();
        }
        catch(Exception x)
        {
            transaction.rollback();
        }
        finally
        {               
            if (session.isOpen())
            {
                session.close();                   
            }
        }
       
        return xmltxt;
    }


    public Serializable retrievePOJO(Class klass, Serializable pojo) throws PersistenceException
    {
        HibernateSession hsess = (HibernateSession)getSession();
        Session session = hsess.getSession();
        Object obj;
       
        try
        {
            obj = session.get(klass, pojo);
        }
        catch (HibernateException e)
        {
         String errmsg = "HibernatePersistence.retrievePOJO(Class, Serializable) EXCEPTION - " + e.toString();
            e.printStackTrace(System.err);
         System.err.println(errmsg);
         throw new PersistenceException(errmsg);
        }
       
        return (Session)obj;
    }


Full stack trace of any exception that occurs:
[8/28/06 11:49:03:028 EDT] 0000002c ServletWrappe A SRVE0242I: [PHRHibernatePrototypeEA] [/PHRHibernatePrototypeWEB] [/index.jsp]: Initialization successful.
[8/28/06 11:49:03:060 EDT] 0000002c ServletWrappe E SRVE0068E: Could not invoke the service() method on servlet /index.jsp. Exception thrown : javax.servlet.ServletException: com.trp.phr.xmlmanagement.XMLId: method setPlanNumber([C)V not found
at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:640)
at com.ibm._jsp._index._jspService(_index.java:120)
at com.ibm.ws.jsp.runtime.HttpJspBase.service(HttpJspBase.java:88)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1282)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:673)
at com.ibm.wsspi.webcontainer.servlet.GenericServletWrapper.handleRequest(GenericServletWrapper.java:117)
at com.ibm.ws.jsp.webcontainerext.JSPExtensionServletWrapper.handleRequest(JSPExtensionServletWrapper.java:178)
at com.ibm.ws.jsp.webcontainerext.JSPExtensionProcessor.handleRequest(JSPExtensionProcessor.java:241)
at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:2933)
at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:221)
at com.ibm.ws.webcontainer.VirtualHost.handleRequest(VirtualHost.java:210)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1912)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:84)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:472)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:411)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:288)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminaters(NewConnectionInitialReadCallback.java:201)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:103)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:566)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:619)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:952)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1039)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1462)
---- Begin backtrace for Nested Throwables
java.lang.NoSuchMethodError: com.trp.phr.xmlmanagement.XMLId: method setPlanNumber([C)V not found
at com.ibm._jsp._index._jspService(_index.java:81)
at com.ibm.ws.jsp.runtime.HttpJspBase.service(HttpJspBase.java:88)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1282)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:673)
at com.ibm.wsspi.webcontainer.servlet.GenericServletWrapper.handleRequest(GenericServletWrapper.java:117)
at com.ibm.ws.jsp.webcontainerext.JSPExtensionServletWrapper.handleRequest(JSPExtensionServletWrapper.java:178)
at com.ibm.ws.jsp.webcontainerext.JSPExtensionProcessor.handleRequest(JSPExtensionProcessor.java:241)
at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:2933)
at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:221)
at com.ibm.ws.webcontainer.VirtualHost.handleRequest(VirtualHost.java:210)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1912)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:84)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:472)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:411)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:288)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminaters(NewConnectionInitialReadCallback.java:201)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:103)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:566)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:619)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:952)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1039)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1462)

[8/28/06 11:49:03:169 EDT] 0000002c ServletWrappe E SRVE0014E: Uncaught service() exception root cause /index.jsp: java.lang.NoSuchMethodError: com.trp.phr.xmlmanagement.XMLId: method setPlanNumber([C)V not found
at com.ibm._jsp._index._jspService(_index.java:81)
at com.ibm.ws.jsp.runtime.HttpJspBase.service(HttpJspBase.java:88)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1282)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:673)
at com.ibm.wsspi.webcontainer.servlet.GenericServletWrapper.handleRequest(GenericServletWrapper.java:117)
at com.ibm.ws.jsp.webcontainerext.JSPExtensionServletWrapper.handleRequest(JSPExtensionServletWrapper.java:178)
at com.ibm.ws.jsp.webcontainerext.JSPExtensionProcessor.handleRequest(JSPExtensionProcessor.java:241)
at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:2933)
at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:221)
at com.ibm.ws.webcontainer.VirtualHost.handleRequest(VirtualHost.java:210)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1912)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:84)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:472)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:411)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:288)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminaters(NewConnectionInitialReadCallback.java:201)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:103)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:566)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:619)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:952)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1039)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1462)

[8/28/06 11:49:03:278 EDT] 0000002c WebApp E SRVE0026E: [Servlet Error]-[/index.jsp]: java.lang.NoSuchMethodError: com.trp.phr.xmlmanagement.XMLId: method setPlanNumber([C)V not found
at com.ibm._jsp._index._jspService(_index.java:81)
at com.ibm.ws.jsp.runtime.HttpJspBase.service(HttpJspBase.java:88)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1282)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:673)
at com.ibm.wsspi.webcontainer.servlet.GenericServletWrapper.handleRequest(GenericServletWrapper.java:117)
at com.ibm.ws.jsp.webcontainerext.JSPExtensionServletWrapper.handleRequest(JSPExtensionServletWrapper.java:178)
at com.ibm.ws.jsp.webcontainerext.JSPExtensionProcessor.handleRequest(JSPExtensionProcessor.java:241)
at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:2933)
at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:221)
at com.ibm.ws.webcontainer.VirtualHost.handleRequest(VirtualHost.java:210)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1912)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:84)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:472)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:411)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:288)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminaters(NewConnectionInitialReadCallback.java:201)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:103)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:566)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:619)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:952)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1039)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1462)

Name and version of the database you are using:
DB2 version 8.1
The generated SQL (show_sql=true):

Debug level Hibernate log excerpt:


Problems with Session and transaction handling?

Read this: http://hibernate.org/42.html

[/code]

_________________
Thanks,

Jason

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Jason Hoppes
 Post subject:
PostPosted: Wed Aug 30, 2006 1:06 pm 
Newbie

Joined: Tue Aug 29, 2006 1:50 pm
Posts: 2
Location: Owings Mills, MD
I found the problem. I needed to treat my id class seperately in the sesion.get.

_________________
Thanks,

Jason

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