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grdzeli_kaci
 Post subject: ejb 3.0 optimistic locking problem
PostPosted: Tue Apr 03, 2007 10:07 am 
Beginner
Beginner

Joined: Tue Jan 17, 2006 6:16 am
Posts: 31
i tryed to use locking into ejb 3.0
here is my program fragment
Code:
@Stateful
@Remote(CountFasade.class)
public class CountFasadeBean implements CountFasade {

   @PersistenceContext(unitName = "Test", type = PersistenceContextType.EXTENDED)
   private EntityManager oracleManager;

   @TransactionAttribute(TransactionAttributeType.REQUIRED)
   public void update(long start, long end) throws Exception {
      try {
         System.out.println("================ Start ================");
         Test test = oracleManager.find(Test.class, 1100011L);
         System.out.println("test id = " + test.getId());
         System.out.println("test name = " + test.getName());
         System.out.println("test surname = " + test.getSurname());
         System.out.println("test age = " + test.getAge());   
      
         oracleManager.lock(test, LockModeType.WRITE);

         test.setSurname("From Javaaaa");

         oracleManager.merge(test);

         Thread.sleep((1000 * 20));

         oracleManager.flush();
         System.out.println("================ End ================");
      } catch (Exception e) {
         e.printStackTrace();
         System.out
               .println("================ Exception Own ================");
      }
   }
}




but when i tryed to use this method from client i got an error like this :

Code:
18:04:48,423 ERROR [STDERR] java.lang.NullPointerException
18:04:48,424 ERROR [STDERR]     at org.hibernate.persister.entity.AbstractEntityPersister.lock(AbstractEntityPersister.java:1282)
18:04:48,424 ERROR [STDERR]     at org.hibernate.event.def.AbstractLockUpgradeEventListener.upgradeLock(AbstractLockUpgradeEventListener.java:88)
18:04:48,424 ERROR [STDERR]     at org.hibernate.event.def.DefaultLockEventListener.onLock(DefaultLockEventListener.java:64)
18:04:48,424 ERROR [STDERR]     at org.hibernate.impl.SessionImpl.fireLock(SessionImpl.java:586)
18:04:48,424 ERROR [STDERR]     at org.hibernate.impl.SessionImpl.lock(SessionImpl.java:578)
18:04:48,424 ERROR [STDERR]     at org.hibernate.ejb.AbstractEntityManagerImpl.lock(AbstractEntityManagerImpl.java:337)
18:04:48,424 ERROR [STDERR]     at org.jboss.ejb3.entity.ExtendedEntityManager.lock(ExtendedEntityManager.java:89)
18:04:48,424 ERROR [STDERR]     at tempPackage.CountFasadeBean.update(CountFasadeBean.java:51)
18:04:48,424 ERROR [STDERR]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
18:04:48,424 ERROR [STDERR]     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
18:04:48,425 ERROR [STDERR]     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
18:04:48,425 ERROR [STDERR]     at java.lang.reflect.Method.invoke(Method.java:585)
18:04:48,425 ERROR [STDERR]     at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
18:04:48,425 ERROR [STDERR]     at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
18:04:48,425 ERROR [STDERR]     at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)
18:04:48,425 ERROR [STDERR]     at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
18:04:48,425 ERROR [STDERR]     at org.jboss.ejb3.entity.ExtendedPersistenceContextPropagationInterceptor.invoke(ExtendedPersistenceContextPropagationInterceptor.java:71)
18:04:48,425 ERROR [STDERR]     at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
18:04:48,425 ERROR [STDERR]     at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
18:04:48,428 ERROR [STDERR]     at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
18:04:48,428 ERROR [STDERR]     at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
18:04:48,428 ERROR [STDERR]     at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
18:04:48,428 ERROR [STDERR]     at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79)
18:04:48,428 ERROR [STDERR]     at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:197)
18:04:48,428 ERROR [STDERR]     at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
18:04:48,428 ERROR [STDERR]     at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
18:04:48,428 ERROR [STDERR]     at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
18:04:48,428 ERROR [STDERR]     at org.jboss.ejb3.stateful.StatefulInstanceInterceptor.invoke(StatefulInstanceInterceptor.java:81)
18:04:48,428 ERROR [STDERR]     at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
18:04:48,429 ERROR [STDERR]     at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:78)
18:04:48,429 ERROR [STDERR]     at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
18:04:48,429 ERROR [STDERR]     at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:47)
18:04:48,429 ERROR [STDERR]     at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
18:04:48,458 ERROR [STDERR]     at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
18:04:48,458 ERROR [STDERR]     at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
18:04:48,458 ERROR [STDERR]     at org.jboss.ejb3.stateful.StatefulContainer.dynamicInvoke(StatefulContainer.java:297)
18:04:48,458 ERROR [STDERR]     at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:106)
18:04:48,458 ERROR [STDERR]     at org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:82)
18:04:48,488 ERROR [STDERR]     at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:828)
18:04:48,488 ERROR [STDERR]     at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:681)
18:04:48,488 ERROR [STDERR]     at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:358)
18:04:48,488 ERROR [STDERR]     at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:412)
18:04:48,488 ERROR [STDERR]     at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:239)




can anybody help me ?

Regards,
Paata.
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grdzeli_kaci
 Post subject: Re: ejb 3.0 optimistic locking problem
PostPosted: Wed Apr 04, 2007 5:07 am 
Beginner
Beginner

Joined: Tue Jan 17, 2006 6:16 am
Posts: 31
is there anybody on this forum who can help me a bit ?


i think that this is hibernate bug ? i can't find anything about it in jira ?


please help me, i need this option from hibernate :(


Regards,
Paata.
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darrenclarke
 Post subject:
PostPosted: Wed May 02, 2007 9:53 am 
Beginner
Beginner

Joined: Thu Jan 25, 2007 3:36 pm
Posts: 25
Did you resolve this? If not what version of Hibernate are you using?

I'm getting the same problem and although it sounds like a similar (if not the same) problem was fixed in v3.2.1, I'm using 3.2.2 and still seeing this.

Darren
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bumbalo
 Post subject:
PostPosted: Wed May 02, 2007 5:32 pm 
Newbie

Joined: Fri Apr 20, 2007 3:46 pm
Posts: 15
Take a look at this post

http://forum.hibernate.org/viewtopic.ph ... type+write
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darrenclarke
 Post subject:
PostPosted: Wed May 02, 2007 5:40 pm 
Beginner
Beginner

Joined: Thu Jan 25, 2007 3:36 pm
Posts: 25
Yeah thanks, I saw that. That's what prompted me to write.

I.e. in that post, Emmanuel says

Quote:
This was a bug, it is fixed in 3.2.1


and I said

Quote:
... although it sounds like a similar (if not the same) problem was fixed in v3.2.1, I'm using 3.2.2 and still seeing this.


That's why I was interested in what version Paata is using.
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