WLS 10 - When Session Bean calls another, original Exception is lost?
I have a Stateless Session Bean that makes a call on another one. If an exception is thrown in that 2nd bean, the 1st bean receives an EJBTransactionRolledbackException back from it, but the original Exception that caused it is NOT wrapped by the EJBTransactionRolledbackException, but merely mentioned in that Exception's message.
If another object - eg. a Servlet - calls one of these beans, the EJB exception contains the original exception wrapped.
Why would the original exception be lost in the 1st case, but missing in the 2nd? Is this a bug?
- Tim
Your remote client passes a DefaultSession to AdminSession.initialize(..). This DefaultSession has to be a remote type. In your client, how does it get DefaultSession?
Did your client look up DefaultSession, and have it return a (sessionContext.getBusinessObject(DefaultSession.class))? If so, it should work.
Similar Messages
-
Local Session Bean calling another local Session Bean in EJB 3.0
Hi,
In EJB 3.0, I am trying to do JNDI lookup of a local sesion bean from another session bean's helper class.
I am not using @EJB injection mechanism here, as call to the local session bean is made in a helper class. Helper classes do not support resource injection.
Following are the EJB class definitions used in my project. Call to "EJB3Local" made from "EJB1" fails as the "EJB2" helper class is calling "EJB1Local"
@Stateless
@EJBs({@EJB(name="EJB2Local", beanInterface=EJB2Local.class),
@EJB(name="EJB3Local", beanInterface=EJB3Local.class)})
public class EJB1 implements EJB1Remote, EJB1Local{
public void findEJB3Local(){
//1. JNDI lookup for EJB3Local ----
//2. EJB3Local.someFunction()
@Stateless
@EJB(name="EJB1Local", beanInterface=EJB1Local.class)
public class EJB2 implements EJB2Remote, EJB2Local{
public void findEJB1Local(){
//1. JNDI lookup EJB1Local
// 2. Call EJB1Local.findEJB1Local method
@Stateless
public class EJB3 implements EJB3Remote, EJB3Local{
public void someFunction(){}
A remote call to EJB2.findEJB1Local() will invoke EJb1Local.findEJB3Local method and the call fails with "java:comp/env/EJB3Local" not found in EJB1Local.
Has anybody encountered an issue like this issue with local interface calling another local interface?
Thanks,
MohanTo refer a Ejb from another Ejb include <ejb-ref> element
in ejb-jar.xml
<session>
<ejb-name>SessionBeanA</ejb-name>
<ejb-ref>
<ejb-ref-name>SessionBeanB</ejb-ref-name>
<ejb-ref-type>Session</ejb-ref-type>
<home>com.ejb.SessionBeanBHome</home>
<remote>com.ejb.SessionBeanB</remote>
</ejb-ref>
</session>
Include a <reference-descriptor> in weblogic-ejb-jar.xml
<weblogic-enterprise-bean>
<ejb-name>SessionBeanA</ejb-name>
<reference-descriptor>
<ejb-reference-description>
<ejb-ref-name>SessionBeanB</ejb-ref-name>
<jndi-name>com.ejb.SessionBeanBHome</jndi-name>
</ejb-reference-description>
</reference-descriptor>
</weblogic-enterprise-bean>
In SessionBeanA Bean class refer to SessionBeanB with
a remote reference to SessionBeanB.
InitialContext initialContext=new InitialContext();
SessionBeanBHome sessionBeanBHome=(SessionBeanBHome)
initialContext.lookup("com.ejb.SessionBeanBHome");
SessionBeanB sessionBeanB=sessionBeanBHome.findByPrimaryKey(primarykey);
sessionBeanB.update();
sessionBeanB.getAll();
thanks,
Deepak -
Stateless Session Bean calling another Stateless Session Bean
Hi all,
I have written 2 Stateless Session bean and would like to call the business method of 2nd Stateless Session Bean in the business method of the 1st.
I have written the lookup code for 2nd SB in the business method of 1st SB and would like to execute the business method in the same method itself.
What do I have to do for the same for the following :
Deployment Descriptor file or any other file needs to be modified.
I am using Weblogic 6.1 and SQL Server 7.0 as database.
Thanks in advance,
SeeteshThis is actually quite similar to calling a session bean from anywhere.
Try this
//Session Bean 2 - Business Method, JNDI name SessionBean2
public void doSomethingMore(String what)
// Session Bean 1 which call.
public void doSomething()
InitialContext initCtx = new InitialContext();
SessionBean2Home home2 = null;
SessionBean2 bean2 = null;
try
home2 = (SessionBean2Home)initCtx.lookup("SessionBean2");
bean2 = home2.create();
}catch(FinderException ex){..}
catch(CreateExceptrion ex){..}
try
bean2.doSomethingMore("Anything");
}catch(remoteException ex){..}
}In my case (webLogic 5.1) I did not need to change anything in any of the deployment descriptor. However, both beans needs top be deployed on same instance of Application server (might work across instances but didnt try)
This should do it.
Amitabh -
Initialize a stateful session bean from another
Hi,
I am trying to create and initialize a stateful session bean from another stateful session bean. The code is as follows
This method belongs to DefaultSessionBean where it creates the AdminSessionBean based on few checks and returns it to the client.
public AdminSession getAdminSession() throws UnknownException, WarningException {
checkSessionUser("getAdminSession");
if (isAdmin()) {
AdminSession adminSession;
try {
final Context context = IToolsUtil.getInitialContext();
adminSession = (AdminSession)context.lookup("AdminSession");
System.out.println("Successfully created the adminsession bean");
} catch (NamingException ne) {
ne.printStackTrace();
throw new UnknownException (new CatalogHelper("ITOOLS_100019", new Object[]{"Admin", ne.getMessage()}));
System.out.println("adminsession will be returned");
return adminSession;
} else {
throw new WarningException (new CatalogHelper("ITOOLS_000042", sessionUser.getUserhandle()));
}Another method in DefaultSessionBean, creates its local interface and returns it.
public DefaultSessionLocal getDefaultSessionLocal() {
DefaultSessionLocal dsl = (DefaultSessionLocal)context.getBusinessObject(DefaultSessionLocal.class);
System.out.println("local created.");
return dsl;
}Client call initialize method of the AdminSessionBean which is mentioned below:
public void initialize(DefaultSession ds) throws WarningException, UnknownException {
this.ds = ds.getDefaultSessionLocal();
this.rfl = ReadFieldList.getInstance();
this.fm = new FinderMethods();
}The client code where it gets the adminSession and initializes is
public static AdminSession getAdminSession(DefaultSession ds) throws ViewException {
AdminSession as;
try {
as = ds.getAdminSession();
System.out.println("got admin session");
} catch (WarningException we) {
we.printStackTrace();
throw new ViewException(we.getCatalogHelper());
} catch (UnknownException ue) {
ue.printStackTrace();
throw new ViewException(ue.getCatalogHelper());
} catch (OracleRemoteException ore) {
ore.printStackTrace();
throw new ViewException(new CatalogHelper("ITOOLS_050003", ore.getMessage()));
// Initialize Admin Session
try {
System.out.println("before getting it.");
as.initialize(ds);
System.out.println("adminsession is initialized");
} catch (WarningException we) {
as.remove();
as = null;
throw new ViewException(we.getCatalogHelper());
} catch (UnknownException ue) {
as.remove();
as = null;
throw new ViewException(ue.getCatalogHelper());
} catch (OracleRemoteException ore) {
as.remove();
as = null;
throw new ViewException(new CatalogHelper("ITOOLS_050003", ore.getMessage()));
System.out.println("got admin session");
return as;
}Apart from this I am using OC4J 10.1.3.1 tool test my application.
When I am calling initialize method of the AdminSession I am getting the following error.
06/10/24 12:26:08 Entered
06/10/24 12:26:08 got default session
06/10/24 12:26:08 Successfully created the adminsession bean
06/10/24 12:26:08 adminsession will be returned
06/10/24 12:26:08 got admin session
06/10/24 12:26:08 before getting it.
2006-10-24 12:26:08.156 WARNING J2EE RMI-00009 Exception returned by remote server: {0}
06/10/24 12:26:08 com.itools.vs.view.exception.ViewException
06/10/24 12:26:08 at com.itools.vs.view.util.ViewUtil.getAdminSession(ViewUtil.java:71)
06/10/24 12:26:08 at com.itools.vs.view.backing.Admin.CreateUser.submit_action(CreateUser.java:182)
06/10/24 12:26:08 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
06/10/24 12:26:08 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
06/10/24 12:26:08 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
06/10/24 12:26:08 at java.lang.reflect.Method.invoke(Method.java:585)
06/10/24 12:26:08 at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:146)
06/10/24 12:26:08 at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:92)
06/10/24 12:26:08 at org.ajax4jsf.framework.ajax.AjaxActionComponent.broadcast(AjaxActionComponent.java:88)
06/10/24 12:26:08 at org.ajax4jsf.framework.ajax.AjaxViewRoot.processEvents(AjaxViewRoot.java:274)
06/10/24 12:26:08 at org.ajax4jsf.framework.ajax.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:250)
06/10/24 12:26:08 at org.ajax4jsf.framework.ajax.AjaxViewRoot.processApplication(AjaxViewRoot.java:405)
06/10/24 12:26:08 at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:95)
06/10/24 12:26:08 at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:245)
06/10/24 12:26:08 at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:110)
06/10/24 12:26:08 at javax.faces.webapp.FacesServlet.service(FacesServlet.java:213)
06/10/24 12:26:08 at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64)
06/10/24 12:26:08 at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:67)
06/10/24 12:26:08 at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:223)
06/10/24 12:26:08 at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:621)
06/10/24 12:26:08 at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:368)
06/10/24 12:26:08 at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:866)
06/10/24 12:26:08 at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:448)
06/10/24 12:26:08 at com.evermind.server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:216)
06/10/24 12:26:08 at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:117)
06/10/24 12:26:08 at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:110)
06/10/24 12:26:08 at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
06/10/24 12:26:08 at oracle.oc4j.network.ServerSocketAcceptHandler.procClientSocket(ServerSocketAcceptHandler.java:239)
06/10/24 12:26:08 at oracle.oc4j.network.ServerSocketAcceptHandler.access$700(ServerSocketAcceptHandler.java:34)
06/10/24 12:26:08 at oracle.oc4j.network.ServerSocketAcceptHandler$AcceptHandlerHorse.run(ServerSocketAcceptHandler.java:880)
06/10/24 12:26:08 at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
06/10/24 12:26:08 at java.lang.Thread.run(Thread.java:595)
06/10/24 12:26:08 ITOOLS_050003: Failed to get Admin Session.
Exception is "Error marshalling objects, Not Serializable: java.io.NotSerializableException: DefaultSession_RemoteProxy_6nein01; nested exception is:
java.io.NotSerializableException: DefaultSession_RemoteProxy_6nein01".
[b/Your remote client passes a DefaultSession to AdminSession.initialize(..). This DefaultSession has to be a remote type. In your client, how does it get DefaultSession?
Did your client look up DefaultSession, and have it return a (sessionContext.getBusinessObject(DefaultSession.class))? If so, it should work. -
Can CMT Session Bean call BMP Entity Bean in WebLogic 6.0?
Hi
Does anybody successfully use CMT Session Bean calling BMP +CMT Entity bean in
WebLogic6.0? I have the following problem.
Any idea will be appreciated.
--Winston
Let's say we have a Session bean SB, it uses container to manage the transaction.
A method of SB will call an Entity Bean EB which adopts bean-managed persistence.
Both SB and EB use CMT and all of their methods use "required" in the descriptor
file.
1. If the connection con.getAutoCommit() is true in the EB, then the transaction
within SB cannot be rolled back as the ejbCreate() has already commit into the
database.
2. On the other hand if Connecton of EB con.getAutoCommit() is false, then container
cannot successfully commit the transaction from SB's method, as EjbCreate and
EjbStore() in EB are likely using the different database connections, which causes
EbjStore() fail and the following error message will be sent to the Console:
============================================================
"<Jul 9, 2001 4:16:48 PM PDT> <Error> <EJB> <Exception during commit of transacti
on transaction=(IdHash=7738920,Name = [EJB TraderBeanImpl.buy()],Xid=105:5e6719a
ded42e332,Status=Rolled back. [Reason = weblogic.utils.NestedRuntimeException:
E
rror writing from beforeCompletion - with nested exception:
[java.rmi.NoSuchObjectException: Exception from ejbStore:javax.ejb.NoSuchEntityE
xception: ejbStore: AccountBean (4003) not updated]],numRepliesOwedMe=0,numRepli
esOwedOthers=0,seconds since begin=0,seconds left=30,SCInfo[examplesServer]=(sta
te=rolledback),properties=({weblogic.transaction.name=[EJB TraderBeanImpl.buy()]
})): java.rmi.NoSuchObjectException: Exception from ejbStore:javax.ejb.NoSuchEnt
ityException: ejbStore: AccountBean (4003) not updated
at weblogic.ejb20.internal.EJBRuntimeUtils.throwRemoteException(EJBRunti
meUtils.java:57)
at weblogic.ejb20.manager.DBManager.beforeCompletion(DBManager.java:364)
at weblogic.ejb20.internal.TxManager$TxListener.beforeCompletion(TxManag
er.java:211)
at weblogic.transaction.internal.ServerSCInfo.callBeforeCompletions(Serv
erSCInfo.java:511)
at weblogic.transaction.internal.ServerSCInfo.startPrePrepareAndChain(Se
rverSCInfo.java:78)
at weblogic.transaction.internal.ServerTransactionImpl.localPrePrepareAn
dChain(ServerTransactionImpl.java:893)
at weblogic.transaction.internal.ServerTransactionImpl.globalPrePrepare(
ServerTransactionImpl.java:1229)
at weblogic.transaction.internal.ServerTransactionImpl.commit(ServerTran
sactionImpl.java:168)
at weblogic.ejb20.internal.BaseEJBObject.postInvoke(BaseEJBObject.java:2
01)
at examples.ejb.basic.statefulSession.TraderBeanEOImpl.buy(TraderBeanEOI
mpl.java:37)
at examples.ejb.basic.statefulSession.TraderBeanEOImpl_WLSkel.invoke(Tra
derBeanEOImpl_WLSkel.java:76)
at weblogic.rmi.internal.BasicServerAdapter.invoke(BasicServerAdapter.ja
va:373)
at weblogic.rmi.internal.BasicServerAdapter.invoke(BasicServerAdapter.ja
va:237)
at weblogic.rmi.internal.BasicRequestHandler.handleRequest(BasicRequestH
andler.java:118)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest
.java:17)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
--------------- nested within: ------------------
weblogic.utils.NestedRuntimeException: Error writing from beforeCompletion - wit
h nested exception:
[java.rmi.NoSuchObjectException: Exception from ejbStore:javax.ejb.NoSuchEntityE
xception: ejbStore: AccountBean (4003) not updated]
at weblogic.ejb20.internal.TxManager$TxListener.beforeCompletion(TxManag
er.java:220)
at weblogic.transaction.internal.ServerSCInfo.callBeforeCompletions(Serv
erSCInfo.java:511)
at weblogic.transaction.internal.ServerSCInfo.startPrePrepareAndChain(Se
rverSCInfo.java:78)
at weblogic.transaction.internal.ServerTransactionImpl.localPrePrepareAn
dChain(ServerTransactionImpl.java:893)
at weblogic.transaction.internal.ServerTransactionImpl.globalPrePrepare(
ServerTransactionImpl.java:1229)
at weblogic.transaction.internal.ServerTransactionImpl.commit(ServerTran
sactionImpl.java:168)
at weblogic.ejb20.internal.BaseEJBObject.postInvoke(BaseEJBObject.java:2
01)
at examples.ejb.basic.statefulSession.TraderBeanEOImpl.buy(TraderBeanEOI
mpl.java:37)
at examples.ejb.basic.statefulSession.TraderBeanEOImpl_WLSkel.invoke(Tra
derBeanEOImpl_WLSkel.java:76)
at weblogic.rmi.internal.BasicServerAdapter.invoke(BasicServerAdapter.ja
va:373)
at weblogic.rmi.internal.BasicServerAdapter.invoke(BasicServerAdapter.ja
va:237)
at weblogic.rmi.internal.BasicRequestHandler.handleRequest(BasicRequestH
andler.java:118)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest
.java:17)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
--------------- nested within: ------------------
weblogic.transaction.RollbackException: Unexpected exception in beforeCompletion
: sync = weblogic.ejb20.internal.TxManager$TxListener@356eb0
Error writing from beforeCompletion - with nested exception:
[weblogic.utils.NestedRuntimeException: Error writing from beforeCompletion -
wi
th nested exception:
[java.rmi.NoSuchObjectException: Exception from ejbStore:javax.ejb.NoSuchEntityE
xception: ejbStore: AccountBean (4003) not updated]]
at weblogic.transaction.internal.TransactionImpl.throwRollbackException(
TransactionImpl.java:1261)
at weblogic.transaction.internal.ServerTransactionImpl.commit(ServerTran
sactionImpl.java:218)
at weblogic.ejb20.internal.BaseEJBObject.postInvoke(BaseEJBObject.java:2
01)
at examples.ejb.basic.statefulSession.TraderBeanEOImpl.buy(TraderBeanEOI
mpl.java:37)
at examples.ejb.basic.statefulSession.TraderBeanEOImpl_WLSkel.invoke(Tra
derBeanEOImpl_WLSkel.java:76)
at weblogic.rmi.internal.BasicServerAdapter.invoke(BasicServerAdapter.ja
va:373)
at weblogic.rmi.internal.BasicServerAdapter.invoke(BasicServerAdapter.ja
va:237)
at weblogic.rmi.internal.BasicRequestHandler.handleRequest(BasicRequestH
andler.java:118)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest
.java:17)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
>"
We did receive a 4.5.1 / 5.1 interoperability patch - but it wasn't quite 'seamless'.
We never tried to use it.
SOAP? Isn't that around 50 times slower than RMI?
Mike
"Gary Mui" <[email protected]> wrote:
We ran into this issue last fall and got some feedback from weblogic
support. They originally said that it could be done (as well as different
versions talking to one another via JMS) but it turned out that they
were
incorrect and ended up saying that it is not possible. Before 6.0 went
GA,
BEA said that there would be a interoperability patch to do this, but
I've
never seen nor heard of anything regarding it. As a workaround, we
implemented 4.5.1 / 6.0 communication via SOAP.
Mike Reiche wrote in message <3b1bcaec$[email protected]>...
I have the same question - and more. Last year we were told that wecould
not use
RMI (and ejbs) between 4.5.1 and 5.1. Which seems kinda weird becauseI've
heard
of people using WL ejbs from Tomcat. This issue has caused us to avoidusing
WL ejbs in any future development which has any chance of ever beingused
by any
app server (WL included) that is not under the direct control of thedata
center.
I've been trying to convince the Architecture team here that we canuse WL
EJBs
and we can call them from other app servers - but can't seem to getany
supporting
statement from BEA (maybe I haven't tried hard enough).
Anyway, a response from BEA would be appreciated.
- Mike
"Madhu K" <[email protected]> wrote:
Is it possible to call a (stateless session) bean deployed in weblogic
6.0
from a bean in weblogic 5.1? I have two versions of weblogic running
on two
different hosts and I have to call a bean that is running in 6.0 from
5.1.
Are there any limitations?
Appreciate any feedback/suggestions.
Thanks,
Madhu -
Session bean calls enttity bean got error !!!! *urgent*
i have a session bean(customerController)with jndi(ejb/customer) calling entity bean (customer).Both using remote interface. when i build a frame application to test these beans. i get the error below.
can anybody tell me wat happen ?!!
23:20:22,861 ERROR [LogInterceptor] EJBException: javax.ejb.EJBException: removeCustomer: null at sessioncallsentitybean.CustomerControllerBean.createCustomer(CustomerControllerBean.java:63) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:660) at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186) at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:77) at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:107) at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:237) at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:98) at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:130) at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:208) at org.jboss.ejb.StatelessSessionContainer.invoke(StatelessSessionContainer.java:313) at org.jboss.ejb.Container.invoke(Container.java:738) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:517) at org.jboss.invocation.jrmp.server.JRMPInvoker.invoke
(JRMPInvoker.java:383) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:261) at sun.rmi.transport.Transport$1.run(Transport.java:148) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:144) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:460) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:701) at java.lang.Thread.run(Thread.java:536)seems like the logic stops when session bean is trying to create an instance of entity bean. i ve set my jndi name (ejb/Customer)correctly in the naming code part in session bean. Can u tell me wat steps that i might have missed. pls. thank you so much. =)
session bean manages to pass through methods below:
ejbCreate ()
createCustomer()
makeConnection()
releaseConnection()... but throws the EJBException
public String createCustomer(String custName, String custEmail, String custAddress, String custGender, String custPhoneNo) throws CreateException {
System.out.println("CustomerControllerBean createCustomer");
try{
makeConnection();
customer = customerHome.create(customerId, custName,
custEmail, custAddress, custGender, custPhoneNo);
releaseConnection();
} catch (Exception ex){
releaseConnection();
throw new EJBException
("createCustomer: " + ex.getMessage());
return customerId;
}my error is "javax.ejb.EJBException: createCustomer: null" the rest of the error warning is mentioned in the first posted message above. -
Session Bean calling entity bean
Hi
How does session bean calls entity bean in weblogic6.1
Thankshave a look in the examples that come with weblogic
"Anand" <[email protected]> wrote in message
news:[email protected]..
>
>
Hi
How does session bean calls entity bean in weblogic6.1
Thanks -
Local Session Bean Call Exception in App Server
I have been having trouble calling a Local Session bean in Glassfish.
I set up an example to show the exception I am having:
MainBeanLocal
package com.test;
import javax.ejb.Local;
@Local
public interface MainBeanLocal {
void testCall();
MainBean:
package com.test;
import javax.ejb.Stateless;
* Session Bean implementation class MainBean
@Stateless(mappedName = "ejb/MainBean")
public class MainBean implements MainBeanLocal {
@Override
public void testCall() {
System.out.println("Test Call Succeeded");
RemoteBeanRemote:
package com.test;
import javax.ejb.Remote;
@Remote
public interface RemoteBeanRemote {
public void callMainBean();
RemoteBean:
package com.test;
import javax.ejb.Stateless;
import javax.naming.InitialContext;
import javax.naming.NamingException;
* Session Bean implementation class RemoteBean
@Stateless(mappedName = "ejb/RemoteBean")
public class RemoteBean implements RemoteBeanRemote {
@Override
public void callMainBean() {
try {
InitialContext ctx = new InitialContext();
MainBeanLocal mb = (MainBeanLocal) ctx.lookup("ejb/MainBean");
mb.testCall();
} catch (NamingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
Test Code:
package com.test;
import javax.naming.InitialContext;
import javax.naming.NamingException;
public class BeanTester {
public static void main(String[] args){
try {
InitialContext ctx = new InitialContext();
RemoteBeanRemote remote = (RemoteBeanRemote) ctx.lookup("ejb/RemoteBean");
remote.callMainBean();
} catch (NamingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
Output Trace:
INFO: deployed with moduleid = TestEJB
INFO: **RemoteBusinessJndiName: ejb/RemoteBean; remoteBusIntf: com.test.RemoteBeanRemote
INFO: LDR5010: All ejb(s) of [TestEJB] loaded successfully!
WARNING: javax.naming.NameNotFoundException: MainBean not found
at com.sun.enterprise.naming.TransientContext.doLookup(TransientContext.java:216)
at com.sun.enterprise.naming.TransientContext.lookup(TransientContext.java:188)
at com.sun.enterprise.naming.SerialContextProviderImpl.lookup(SerialContextProviderImpl.java:74)
at com.sun.enterprise.naming.LocalSerialContextProviderImpl.lookup(LocalSerialContextProviderImpl.java:111)
at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:409)
at javax.naming.InitialContext.lookup(InitialContext.java:392)
at com.test.RemoteBean.callMainBean(RemoteBean.java:19)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.sun.enterprise.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1011)
at com.sun.enterprise.security.SecurityUtil.invoke(SecurityUtil.java:175)
at com.sun.ejb.containers.BaseContainer.invokeTargetBeanMethod(BaseContainer.java:2920)
at com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:4011)
at com.sun.ejb.containers.EJBObjectInvocationHandler.invoke(EJBObjectInvocationHandler.java:203)
at com.sun.ejb.containers.EJBObjectInvocationHandlerDelegate.invoke(EJBObjectInvocationHandlerDelegate.java:117)
at $Proxy71.callMainBean(Unknown Source)
...What am I doing wrong when calling **MainBeanLocal**? I would like to avoid dependency injection, as if the MainBeanLocal was being called from a POJO.
Note: I have no trouble calling the RemoteBean.. I want to be able to call the local bean from the remote bean.Maik,
If this is still a problem, could you please post the descriptors from the EAR?
Are you using any annotations?
- Tim -
Calling a session bean from another bean
Hi,
Using weblogic server 6.1, I am trying to call a session bean, B, from a session bean A.
After importing B's package, I have added the following code to A's implementation:
try {
Properties h = new Properties(); h.putContext.INITIAL_CONTEXT_FACTORY,"weblogic.jndi.WLInitialContextFactory");
h.put(Context.PROVIDER_URL, "t3://localhost:7001" );
Context ctx = new InitialContext(h);
Object tempHome = ctx.lookup(JNDI Name of B);
BHome home;
home = (BHome)javax.rmi.PortableRemoteObject.narrow(tempHome, BHome.class);
catch(Exception e){...}
I can compile the code successfully but when I run it,I get an error saying:"java.lang.NoClassDefFoundError: B.BHome"
Can someone please tell me where I am going wrong?
Thanks in advance,
FauziaI haven't used that web server but I have had the same kind of problem with ours.
My guess is that you are compiling this in an environment where the home class is in the classpath. When you run it, though, this class cannot be resolved. Usually we have this problem when the class that is trying to get the bean is unable to find the remote jar. -
Session management in session bean calling session bean
Hi,
I've got another question on transaction.
I have following stateless session beans :
session1 with trans-attribute Required.
session2 with trans-attribute Required.
session1 calls session2 and session3.
session2 inserts/updates records in the database.
What am doing is first I call a createSchedule method in session2, which
creates a new record in the database.
And then I call an update method on the session2 bean, that will fetch and
update the newly created record.
This second update fails, due to some database constraints.
What I was hoping, that the record should not be created in the database,
but it did.
The first method call in session2 succeeded and the second failed !!
Doesnt both the DML be part of one transaction ?
Thanks
Amit
Solved this one too :
What was happening was, Before I called the create method of the session
bean, I was calling a find method, and I was capturing the exception, and in
case theres an exception, assuming that there is no record in the database,
I create a new record. This find method is in the same session bean,
session2 along with the create and update methods. Inititally when there was
no record, the session bean was raising EJBException, due to which the main
session bean, session1, rollbacks the transaction, it started, but as I was
catching this exception, so the execution continued, .... next statement
being create, and as the transaction attribute of it was Required, and as
the session1 bean's transaction has already been rolled back, there was no
transaction, so the create method started its own transaction, and created
the record, and then the update method too did the same, but it gave an
error, so only update method's transaction got rolled back.
So I changed the find method to throw FinderException, instead of
EJBException, so the transaction of sessio1 bean is not lost.
Its working now.
But the other problem I posted, where I dont want to throw any exception to
the client calling the session1 bean, I still havent figured it out, how to
stop it, although am catching all the exceptions, still the client got
exception.
Thanks
Amit Chauhan
eTouch System
510-795-4800 ext 113
Amit <[email protected]> wrote in message
news:[email protected]...
> Hi,
> I've got another question on transaction.
> I have following stateless session beans :
> session1 with trans-attribute Required.
> session2 with trans-attribute Required.
>
> session1 calls session2 and session3.
>
> session2 inserts/updates records in the database.
>
> What am doing is first I call a createSchedule method in session2, which
> creates a new record in the database.
> And then I call an update method on the session2 bean, that will fetch and
> update the newly created record.
>
> This second update fails, due to some database constraints.
> What I was hoping, that the record should not be created in the database,
> but it did.
> The first method call in session2 succeeded and the second failed !!
>
> Doesnt both the DML be part of one transaction ?
>
> Thanks
> --
> Amit
>
>
>
-
JNDI lookup of a Stateless Session bean from another stateless session bean
Hi,
I am working on SAP Netweaver. We have created a stateless session bean which is finally deployed as a webservice. From this stateless session bean we need to call another stateless session bean as a local reference.
I have done the following.
1. Added JNDI-Name to the ejb-j2ee-engine.xml.
2. My lookup code is as follows
Context context = null;
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sap.engine.services.jndi.InitialContextFactoryImpl");
context = new InitialContext(env);
Object ejbObj = context.lookup("MyBean");
But i get the NamingException .Here MyBean is the jndi-name provided in the ejb-j2ee-engine.xml.
Can somebody tell me what i am doing wrong.
Thanks
PriyaHi,
Thanks for your replies.I did as you had suggested.I added ejb-local-ref to the ejb-jar.xml and i provided ejb-ref as MyBean.
My lookup code uses the string
ctxt.lookup("localejbs\MyBean");
But still i get Naming Exception.
I tried something different yesterday.
I changed the code to use
InitialContext ctxt = new InitialContext();
ctxt.lookup("localejbs/"+ pathfromJNDIRegistry);
and this time i did not get Naming exception but i got RemoteException saying there was error loading the class.
Is there something i need to add somewhere for the classloader to be able to find and load this class in the second scenario.
Please suggest me which method to go for amongst the two and what is the missing information i need to add.
Thanks
Priya -
Session bean executing another request
Dear All
I am facing following exception in statefull session bean.
When i acceess any function of statefull session bean concurrently.
I am using sun ONE application Server.
javax.ejb.EJBException: SessionBean is executing another request
at com.sun.ejb.containers.StatefulSessionContainer.getContext(StatefulSessionContainer.java:733)
at com.sun.ejb.containers.BaseContainer.preInvoke(BaseContainer.java:452)
at com.softwerc.werclet.corporate.ejb.session.corpadminwerclet.CorpAdminWercletBean_EJBObjectImpl.getWercletDeta
ils(CorpAdminWercletBean_EJBObjectImpl.java:1245)
at com.softwerc.werclet.corporate.ejb.session.corpadminwerclet._CorpAdminWerclet_Stub.getWercletDetails(Unknown
Source)
at jasper.RefreshWerclet_jsp._jspService(_RefreshWerclet_jsp.java:446)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.iplanet.ias.web.jsp.JspServlet$JspServletWrapper.service(JspServlet.java:552)
at com.iplanet.ias.web.jsp.JspServlet.serviceJspFile(JspServlet.java:368)
at com.iplanet.ias.web.jsp.JspServlet.service(JspServlet.java:287)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.StandardWrapperValve.invokeServletService(StandardWrapperValve.java:720)
at org.apache.catalina.core.StandardWrapperValve.access$000(StandardWrapperValve.java:118)
at org.apache.catalina.core.StandardWrapperValve$1.run(StandardWrapperValve.java:278)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:274)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:212)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:203)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505)
at com.iplanet.ias.web.connector.nsapi.NSAPIProcessor.process(NSAPIProcessor.java:157)
at com.iplanet.ias.web.WebContainer.service(WebContainer.java:598)
SEVERE: EJB5017: Exception while running preinvoke : ejbName = [CorpAdminWerclet]
INFO: CORE3282: stdout: after SingleLoginBeanPKsoftwerc | D71AD2D8ACF0F72467AFBDFD24AF9967
SEVERE: EJB5017: Exception while running preinvoke : ejbName = [CorpAdminWerclet]
SEVERE:
Nadeem Yousafhi
i am also facing the same exception in sun one app server 7.0. This is happening only in BMP Beans . Resource not available error is coming.
If you use continously 15 minutes and above error is coming. Is problem withour code or appserver bug. CMP Beans are working fine.
pls help.
javax.ejb.EJBException: SessionBean is executing another request
at com.sun.ejb.containers.StatefulSessionContainer.getContext(StatefulSessionContainer.java:733)
at com.sun.ejb.containers.BaseContainer.preInvoke(BaseContainer.java:452)
at LDAP.LDAPBean_EJBObjectImpl.getAllEmployees(LDAPBean_EJBObjectImpl.java:933)
at LDAP._LDAPRemote_Stub.getAllEmployees(Unknown Source)
at MMCampaignSearch.doGet(MMCampaignSearch.java:136)
at MMCampaignSearch.doPost(MMCampaignSearch.java:247)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.StandardWrapperValve.invokeServletService(StandardWrapperValve.java:720)
at org.apache.catalina.core.StandardWrapperValve.access$000(StandardWrapperValve.java:118)
at org.apache.catalina.core.StandardWrapperValve$1.run(StandardWrapperValve.java:278)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:274)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:212)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:203)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:505)
at com.iplanet.ias.web.connector.nsapi.NSAPIProcessor.process(NSAPIProcessor.java:157)
at com.iplanet.ias.web.WebContainer.service(WebContainer.java:598) -
Error when One EJB calls anothe EJB
Hi,
I got the following error when I use one EJB call another EJB in OAS 4.0.8.1, the code is developed in JDeveloper 3.0/Win NT 4.0/SP5.
Can anyone give me some ideas? or is there any samples in this case?
Thanks a lot!
Creating an initial context
Looking for the EJB published as 'APP/APPEJB'
Creating a new EJB instance
Calling APPEJB methods...
CORBA: org.omg.CORBA.BAD_OPERATION: ; nested exception is:
org.omg.CORBA.BAD_OPERATION:
java.rmi.ServerException: CORBA: org.omg.CORBA.BAD_OPERATION: ; nested exception is:
org.omg.CORBA.BAD_OPERATION:
at javax.rmi.oas.corba.CorbaRemoteExceptionHelperValue.OBVObjFrom(Compiled Code)
at TwoEJB._stub_APPEJB.callEJBMapping(Compiled Code)
at TwoEJB.TwoEJBClient.main(Compiled Code)
nullHome handle is an object that identifies an enterprise bean. A client may serialize the handle, and then later deserialize it to obtain a reference to the enterprise bean.
The javax.ejb.HomeHandle is similar to javax.ejb.Handle. Just as the Handle is used to store and retrieve reference to EJB objects, the HomeHandle is used to store and retrieve remote references to EJB homes. HomeHandle can be stored and later used to access an EJB home remote refrence the same way that a Handle can be serialized and later used to access an EJB object's remoe reference.
import java.io.*;
import javax.ejb.EJBHome;
import javax.ejb.HomeHandle;
public class WorkingWithEJBHandles {
public static void main( String[] args ) throws Exception {
EJBHome aHome = null;
// get hold of a home interface
HomeHandle handle = aHome.getHomeHandle();
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream( bos );
oos.writeObject( handle );
byte[] handleAsBytes = bos.toByteArray();
// store in the database, on file. howwever you want
FileInputStream fis = new FileInputStream( "fileobj" );
ObjectInputStream ois = new ObjectInputStream( fis );
HomeHandle theHandle = (HomeHandle) ois.readObject();
// get back the EJBHome from the HomeHandle
aHome = theHandle.getEJBHome();
// the same kind of logic also holds for EJBHandles, as well as
// HomeHandles
Transfer Object is a Design pattern. Refer to Core J2EE Design Pattern.
http://java.sun.com/blueprints/corej2eepatterns/Patterns/TransferObject.html
Rgds,
Seetesh -
Urgent - (session bean calling Entity bean )Help Need for me - Plzzzzzzzzzz
Hi
I am created two beans one is Entity bean another one is session . the two beans deployed using diffrent jar files
. I call the Entity bean methods using session bean
But i couldn't locate the entity bean Home object through session bean(
Sub is created but i couldn't get it that home obj stub)
i get the following error messgae CorbaBad Operation
i deployed two bean using same jar means my program is working
Help meeeeeeeI Send part of code to u
public String logic1(rsp.ejbbm.ex.studVO s) {
rsp.ejbbm.student.studentRemote r=null;
String id = null;
try {
System.out.println("sdfsdfsdfs");
Object obj = ctx.lookup("ejb/student");
System.out.println("Lookup Succeded ");
System.out.println("Object value" +obj.toString());
/// HERE I GOT THE ERRO I COULDn'T Locate IT
EJBHome obj1 =(EJBHome)javax.rmi.PortableRemoteObject.narrow(obj,rsp.ejbbm.student.studentHome.class);
System.out.println("Object value" +obj1.toString());
rsp.ejbbm.student.studentHome home=(rsp.ejbbm.student.studentHome)obj1;
//studentHome hom=(studentHome)ctx.lookup("ejb/student");
System.out.println("Object value" +obj.toString() );
System.out.println("Lookup Converted ");
home.create(s.getRollno(),s.getName());
System.out.println("student Record isInserted in Oracle ");
r= (rsp.ejbbm.student.studentRemote) home.findByPrimaryKey(s.getRollno());
System.out.println("Student 5555 Name is "+ r.getName());
id = r.getName();
catch(Exception e ){
System.out.println(e.toString());}
return id;
* @see javax.ejb.SessionSynchronization#afterBegin()
public void afterBegin() {
* @see javax.ejb.SessionSynchronization#afterCompletion(boolean)
public void afterCompletion(boolean committed) {
* @see javax.ejb.SessionSynchronization#beforeCompletion()
public void beforeCompletion() {
* See section 7.10.3 of the EJB 2.0 specification
public void ejbCreate() {
Properties p = new Properties();
p.put("java.naming.factory.initial", "com.sun.jndi.cosnaming.CNCtxFactory");
try{
ctx = new InitialContext(p);
catch(Exception e) {System.out.println("Create Exception "+e.toString());}
} -
Problem while invoking a Stateless Session bean from another bean
Hi,
I have a peculiar problem while coding with Stateless Session beans. Maybe you guys can help me out over here. The scenario is as follows
There are 3 Stateless Session beans. Let Us say Bean A, B and C. There are three methods, method1, method2, and method3 inside A, B and C respectively.
From A.method1(), B.method2(), and C.method3() are being invoked sequentially. Each of these methods does some JDBC operation and then returns.
The problem is this, if C.method3() throws and exception, then I am unable to rollback the changes made by B.method2(). Those changes get "Committed" to the database.
All the 3 beans have Bean managed persistence property set. I am using WebSphere 6.1.
Any insight on why this is happening would be greatly appreciated.
Thanks In Advance
Amardeep VermaHi,
This is a matter of calling all three methods in the same transaction context. Most easy way of doing this is having a 4th session bean containing a method calling the other 3. Make sure that the Transaction Attributes are REQUIRED, which is the default.
If the calls a to different backends/databases, you need global transactions and therefor XA complient database and drivers.
HTH Robert
Maybe you are looking for
-
While creating product group I am getting error message MG144 as "The field is defined as a required field; it does not contain an entry" I tried to create material type Product group, there also I am getting same message no as "The field Profit cent
-
Local Currency - Translation Date Type
Hi: We are on ECC 6.0 with New GL. I wanted to check if we can change the Translation Date Type for 1st local currency (10) from Translation date to document date? There are three options in this field - Posting date, document date and translation da
-
Hi XPerts: I am facing following problem with above extractor. I created an ODS object with the following fields as a key. BW: Document Number- 0DOC_NUM BW: Document Line Number - 0DOC_ITEM Schedule line number - 0SCHED_LINE BW: Transaction Key - 0PR
-
How can I connect to Bloomberg?
Hi! Has anybody an idea, how a Java application can connect to Bloomberg software to query stock quotes etc? Or has anybody even done this already? Any hints or links are very much appreciated! Thank you! Thilo
-
Is there a way to set an Out of Office condition and message on an EAS Outlook account on the Pre Plus? I had this feature on my old Treo and it was useful. Please advise if there is a way to set Out of Office through the Pre Plus. If not, it would