Hello,

I have a question regarding an error I get. In a JSP page I use a 
regular Java bean. Some properties are set and at the end I call the 
bean's create() methode to actually create a new EJB Entity bean. 
Creating the EJB fails: I get the error attached to the end of this 
message. Now the funny part is that the database contains the new EJB 
data. The question I would like to ask you: where to look for the solution?

The code I use in my regular Java access bean:

   public void createEJB(){
   if (DEBUG) {
       System.out.println("FormAccessBean.create() --- entry");
   } // end of if (DEBUG)
  
   try{
       String jndiName = "stam/Form";
       Broker broker = Broker.getInstance();
       FormHome formHome = (FormHome)
       broker.getHome(jndiName, FormHome.class);
      
       Form form = formHome.create(this.voorletters, this.tussenvoegsel,
                   this.naam, this.adres, this.postcode,
                   this.woonplaats, this.telefoonDag,
                   this.telefoonAvond, this.geboortedatum,
                   this.geslacht, this.email, this.groep,
                   this.vrijeInvoer);
      
       if (DEBUG) {
       System.out.println("Form: " + form);
       } // end of if (DEBUG)
    }
        ....
    }


I have a feeling that my mySQL transaction management is not
configured properly. These are my mySQL settings in jboss.jcml

  <!-- JDBC -->
  <mbean code="org.jboss.jdbc.JdbcProvider"
    name="DefaultDomain:service=JdbcProvider">
   <attribute
  
name="Drivers">org.hsql.jdbcDriver,org.enhydra.instantdb.jdbc.idbDriver,org.gjt.mm.mysql.Driver</attribute>
 


  </mbean>
  <mbean code="org.jboss.jdbc.XADataSourceLoader"
    name="DefaultDomain:service=XADataSource,name=mySQLPool">
   <attribute name="PoolName">mySQLPool</attribute>
   <attribute 
name="DataSourceClass">org.opentools.minerva.jdbc.xa.wrapper.XADataSourceImpl</attribute>
   <attribute name="Properties"></attribute>
   <attribute name="URL">jdbc:mysql://x.x.nl/stam</attribute>
   <attribute name="GCMinIdleTime">1200000</attribute>
   <attribute name="JDBCUser">x</attribute>
   <attribute name="MaxSize">10</attribute>
   <attribute name="Password">x</attribute>
   <attribute name="GCEnabled">false</attribute>
   <attribute name="InvalidateOnError">false</attribute>
   <attribute name="TimestampUsed">false</attribute>
   <attribute name="Blocking">true</attribute>
   <attribute name="GCInterval">120000</attribute>
   <attribute name="IdleTimeout">1800000</attribute>
   <attribute name="IdleTimeoutEnabled">false</attribute>
   <attribute name="LoggingEnabled">false</attribute>
   <attribute name="MaxIdleTimeoutPercent">1.0</attribute>
   <attribute name="MinSize">0</attribute>
  </mbean>

And finally, I've attached the start of the error log messages.


[EmbeddedTomcat] FormAccessBean.create() --- entry
[Form] TRANSACTION ROLLBACK EXCEPTION:ejbCreate: null; nested exception is:
   javax.ejb.EJBException: ejbCreate: null
[Form] javax.ejb.EJBException: ejbCreate: null
[Form]     at nl.inpact.stam.ejb.form.FormBean.ejbCreate(FormBean.java:168)
[Form]     at java.lang.reflect.Method.invoke(Native Method)
[Form]     at 
org.jboss.ejb.plugins.BMPPersistenceManager.createEntity(BMPPersistenceManager.java:121)
[Form]     at 
org.jboss.ejb.EntityContainer.createHome(EntityContainer.java:441)
[Form]     at java.lang.reflect.Method.invoke(Native Method)
[Form]     at 
org.jboss.ejb.EntityContainer$ContainerInterceptor.invokeHome(EntityContainer.java:639)
[Form]     at 
org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invokeHome(EntitySynchronizationInterceptor.java:160)
[Form]     at 
org.jboss.ejb.plugins.EntityInstanceInterceptor.invokeHome(EntityInstanceInterceptor.java:87)
[Form]     at 
org.jboss.ejb.plugins.TxInterceptorCMT.invokeNext(TxInterceptorCMT.java:135)
[Form]     at 
org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:263)
[Form]     at 
org.jboss.ejb.plugins.TxInterceptorCMT.invokeHome(TxInterceptorCMT.java:86)
[Form]     at 
org.jboss.ejb.plugins.SecurityInterceptor.invokeHome(SecurityInterceptor.java:164)
[Form]     at 
org.jboss.ejb.plugins.LogInterceptor.invokeHome(LogInterceptor.java:106)
[Form]     at 
org.jboss.ejb.EntityContainer.invokeHome(EntityContainer.java:316)
[Form]     at 
org.jboss.ejb.plugins.jrmp.server.JRMPContainerInvoker.invokeHome(JRMPContainerInvoker.java:436)
[Form]     at 
org.jboss.ejb.plugins.jrmp.interfaces.HomeProxy.invoke(HomeProxy.java:212)
[Form]     at $Proxy9.create(Unknown Source)
[Form]     at 
nl.inpact.stam.ejb.form.FormAccessBean.createEJB(FormAccessBean.java:128)
[Form]     at 
_0002fformhandle_0002ejspformhandle_jsp_29._jspService(_0002fformhandle_0002ejspformhandle_jsp_29.java:432)

Thank you,

Marcel


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