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Struts & Hibernate
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| | | Changes for | Changes for 2007-06-11 - By mahtab.singh
Back
Hi,
I am also getting somewhat simillar error:
the error stack is below:
java.lang.RuntimeException  : Could not resolve beanClass method from proxy call
at org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke
(StatelessContainer.java:199)
at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:106)
at org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke
(AOPRemotingInvocationHandler.java:82)
at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:828)
at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:681)
at org.jboss.remoting.transport.socket.ServerThread.processInvocation
(ServerThread.java:358)
at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java
:412)
at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:239)
at org.jboss.remoting.RemoteClientInvoker.invoke(RemoteClientInvoker.java:190)
at org.jboss.remoting.Client.invoke(Client.java:525)
at org.jboss.remoting.Client.invoke(Client.java:488)
at org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke
(InvokeRemoteInterceptor.java:55)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java
:101)
at org.jboss.aspects.tx.ClientTxPropagationInterceptor.invoke
(ClientTxPropagationInterceptor.java:61)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java
:101)
at org.jboss.aspects.security.SecurityClientInterceptor.invoke
(SecurityClientInterceptor.java:55)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java
:101)
at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java
:65)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java
:101)
at org.jboss.ejb3.stateless.StatelessRemoteProxy.invoke(StatelessRemoteProxy
.java:102)
at $Proxy0.updateCabin(Unknown Source)
at com.titan.clients.Client_1.main(Client_1.java:51)
below is my client code:
public class Client_1
{
public static void main(String [] args)
{
try
{
Properties p = new Properties( );
p.put(Context.INITIAL_CONTEXT_FACTORY,
"org.jnp.interfaces.NamingContextFactory ");
p.put(Context.URL_PKG_PREFIXES,
" org.jboss.naming:org.jnp.interfaces");
p.put(Context.PROVIDER_URL, "jnp://localhost:1099");
Context jndiContext = new InitialContext(p);
Object ref = jndiContext.lookup("TravelAgentBean/remote");
TravelAgentRemote dao = (TravelAgentRemote)ref;
Cabin noCabin = dao.findCabin(1);
System.out.println("no cabin should be null: " + noCabin);
Cabin cabin_1 = new Cabin();
cabin_1.setId(4);
cabin_1.setName("Master Suite");
cabin_1.setDeckLevel(3);
cabin_1.setShipId(3);
cabin_1.setBedCount(3);
dao.createCabin(cabin_1);
Cabin cabin_2 = dao.findCabin(4);
System.out.println(cabin_2.getName());
System.out.println(cabin_2.getDeckLevel());
System.out.println(cabin_2.getShipId());
System.out.println(cabin_2.getBedCount());
System.out.println("Updating detached cabin instance with new bed count of
4");
cabin_2.setBedCount(4); // this is where it fails
dao.updateCabin(cabin_2);
System.out.println("Finding cabin to see it has been updated with a merge(
) on server");
Cabin cabin_3 = dao.findCabin(4);
System.out.println("new bed count is: " + cabin_3.getBedCount());
}
catch (Exception ne)
{
ne.printStackTrace();
}
}
}
My Business Interface:
@(protected)
public interface TravelAgentRemote
{
public void createCabin(Cabin cabin) throws java.rmi.RemoteException ;
public Cabin findCabin(int pKey) throws java.rmi.RemoteException ;
public void updateCabin(Cabin cabin) throws java.rmi.RemoteException ;
public void flushModeExample() throws java.rmi.RemoteException ;
}
Bean Implementation:
package com.titan.travelagent;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.PersistenceContext;
import javax.persistence.PersistenceUnit;
import javax.persistence.FlushModeType;
import com.titan.domain.Cabin;
@(protected)
public class TravelAgentBean implements TravelAgentRemote
{
@(protected)(unitName="Test") private EntityManagerFactory factory;
@(protected)(unitName="Test") private EntityManager manager;
public void createCabin(Cabin cabin)
{
manager.persist(cabin);
}
public Cabin findCabin(int pKey)
{
return manager.find(Cabin.class, pKey);
}
public void updateCabin(Cabin cabin)
{
manager.merge(cabin);
}
public void flushModeExample()
{
EntityManager createdManager = factory.createEntityManager();
try
{
Cabin newCabin2 = new Cabin();
newCabin2.setId(2);
newCabin2.setName("Another Cabin");
newCabin2.setBedCount(1);
createdManager.persist(newCabin2);
Cabin cabin2 = manager.find(Cabin.class, 2);
if (cabin2 != null)
{
throw new RuntimeException("newCabin2 should not be flushed yet");
}
Cabin cabin1 = (Cabin)createdManager.createQuery("FROM Cabin c WHERE c
.id = 1").getSingleResult();
cabin2 = manager.find(Cabin.class, 2);
if (cabin2 == null)
{
throw new RuntimeException("newCabin2 should be flushed now");
}
createdManager.setFlushMode(FlushModeType.COMMIT);
newCabin2.setBedCount(99);
cabin1 = (Cabin)createdManager.createQuery("FROM Cabin c WHERE c.id =
1").getSingleResult();
manager.refresh(cabin2);
if (cabin2.getBedCount() == 99)
{
throw new RuntimeException("should not be 99 yet with COMMIT and a
query");
}
createdManager.flush();
manager.refresh(cabin2);
if (cabin2.getBedCount() != 99)
{
throw new RuntimeException("should be 99 yet with a flush");
}
}
finally
{
createdManager.close();
}
}
}
Entity Code
package com.titan.domain;
import javax.persistence.Entity;
import javax.persistence.Table;
import javax.persistence.Column;
import javax.persistence.Id;
@(protected)
@(protected)(name="CABIN")
public class Cabin implements java.io.Serializable
{
private int id;
private String name;
private int deckLevel;
private int shipId;
private int bedCount;
@(protected)
@(protected)(name="CABIN_ID")
public int getId()
{
return id;
}
public void setId(int pk)
{
id = pk;
}
@(protected)(name="CABIN_NAME")
public String getName()
{
return name;
}
public void setName(String str)
{
name = str;
}
@(protected)(name="CABIN_DECK_LEVEL")
public int getDeckLevel()
{
return deckLevel;
}
public void setDeckLevel(int level)
{
deckLevel = level;
}
@(protected)(name="CABIN_SHIP_ID")
public int getShipId()
{
return shipId;
}
public void setShipId(int sid)
{
shipId = sid;
}
@(protected)(name="CABIN_BED_COUNT")
public int getBedCount()
{
return bedCount;
}
public void setBedCount(int bed)
{
bedCount = bed;
}
}
If somebody can help me out..would be a great help...
Thanks
View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic
&p=4052974#4052974
Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode
=reply&p=4052974
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