Problems while performing lookup for Local EJBs

Can anybody tell me how can i perform local ejb lookup in Sun app Server 8.0/8.1 ?
I have following entries in ejb-jar.xml.
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE ejb-jar PUBLIC "-//Sun Microsystems, Inc.//DTD Enterprise JavaBeans 2.0//EN" "http://java.sun.com/dtd/ejb-jar_2_0.dtd">
<ejb-jar >
<enterprise-beans>
<session >
<ejb-name>TeamLeaderBean</ejb-name>
<local-home>spring.ejb.example.TeamLeaderLocalHome
</local- home>
<local>spring.ejb.example.TeamLeaderLocal</local>
<ejb-class>spring.ejb.example.TeamLeaderBean</ejb-class>
<session-type>Stateless</session-type>
<transaction-type>Container</transaction-type>
</session>
</enterprise-beans>
<assembly-descriptor></assembly-descriptor>
</ejb-jar>
In sun-ejb-jar.xml I have
<sun-ejb-jar>
<enterprise-beans>
<ejb>
<ejb-name>TeamLeaderBean</ejb-name>
<jndi-name>TeamLeaderBeanLocal</jndi-name>
</ejb>
</enterprise-beans>
</sun-ejb-jar>
In the client EJBs code I have used following ways of performing lookup...
ctx.lookup("java:comp/env//TeamLeaderBeanLocal");
ctx.lookup("java:comp/env/ejb/local/TeamLeaderBeanLocal");
ctx.lookup("ejb/TeamLeaderBeanLocal");
Unfortunately none of these performs a successful lookup...???
Can anybody solve my problem?

In order to look up a local EJB from an EJB client you have to add an <ejb-local-ref> element for client EJB. So:
<session>
<ejb-name>MyClientEJB</ejb-name>
<ejb-local-ref>
<ejb-ref-name>ejb/TeamLeaderBeanLocal</ejb-ref-name>
<ejb-ref-type>Session</ejb-ref-type>
<ejb-link>TeamLeaderBeanLocal</ejb-link>
</ejb-local-ref>
</session>
fil
Can anybody tell me how can i perform local ejb
lookup in Sun app Server 8.0/8.1 ?
I have following entries in ejb-jar.xml.
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE ejb-jar PUBLIC "-//Sun Microsystems,
Inc.//DTD Enterprise JavaBeans 2.0//EN"
"http://java.sun.com/dtd/ejb-jar_2_0.dtd">
<ejb-jar >
<enterprise-beans>
<session >
<ejb-name>TeamLeaderBean</ejb-name>
<local-home>spring.ejb.example.TeamLeaderLocalHome
</local- home>
<local>spring.ejb.example.TeamLeaderLocal</local>
<ejb-class>spring.ejb.example.TeamLeaderBean</ejb-clas
s>
<session-type>Stateless</session-type>
<transaction-type>Container</transaction-type>
</session>
</enterprise-beans>
<assembly-descriptor></assembly-descriptor>
</ejb-jar>
In sun-ejb-jar.xml I have
<sun-ejb-jar>
<enterprise-beans>
<ejb>
<ejb-name>TeamLeaderBean</ejb-name>
<jndi-name>TeamLeaderBeanLocal</jndi-name>
</ejb>
</enterprise-beans>
</sun-ejb-jar>
In the client EJBs code I have used following ways of
performing lookup...
ctx.lookup("java:comp/env//TeamLeaderBeanLocal");
ctx.lookup("java:comp/env/ejb/local/TeamLeaderBeanLoca
l");
ctx.lookup("ejb/TeamLeaderBeanLocal");
Unfortunately none of these performs a successful
lookup...???
Can anybody solve my problem?

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Fail to lookup the local EJB by JNDI in Managed Server

Hi all,
I currently in a deep problem, and can't figure out the cause of it. It just annoying me for week.
In my app, I have binded to the local ejb to JNDI (let's say "ejb/CustomerLocal"), then the client lookup the Local EJB by the following code.
localIc = new InitialContext();
home = (EJBLocalHome)localIc.lookup("ejb/CustomerLocal");
It works well as I do development in the Domain Admin Server. However, when I do the System Integration Test and deploy my app to the managed server, the app fail. It just can't do the Local EJB lookup. Following is the exception.
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Does anybody know the cause of it and have solution?
Thanks a lot

Hi,
Just now I replicated the same problem what you are facing. I created one managed server. When I deployed my ejb to admin server I did not get any problem. But when I deploy the same into my managed server I got Naming Exception. Because I did n/t specify Context.PROVIDER_URL. A provider URL contains bootstrap server information that the initial context factory can use to obtain an initial context. So when you deploy EJB on another server, you have to get the Naming service from that server. Hence provider URL must pointing to that server. So I included following statements before lookup my ejb in managed server.
Properties p=new Properties ();
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Note: Context.PROVIDER_URL— specifies the URL of the WebLogic Server that provides the name service. The default is t3://localhost: 7001. When you are not specified it will assume that POVIDER_URL is t3://localhost: 7001 this is nothing but your admin server in your case. However, a JNDI client may need to access a name space other than the one identified in its environment. In this case, it is necessary to explicitly set the java.naming.provider.url (provider URL) property used by the InitialContext constructor.
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Lookup for local interfaces.

Isn't lookup for local interfaces allowed from web client. I have defined a
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TestBeanLocalHome home = (TestBeanLocalHome)
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at
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at
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at
weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java
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at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
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You need to use "ejb-local-ref" to refer to local interfaces. I meant
"ejb-local-ref" element was not available in web.xml in Servlet 2.2. They
were added in Servlet 2.3 specification. So unless your app server is
Servlet 2.3 compliant it does not need to support references to local
interfaces in web components (servlets or jsps). Weblogic 6.1 did not seem
to support them last time I tried.
-- Anand
"Rupesh" <[email protected]> wrote in message
news:[email protected]...
what do u mean by local interface in web component? its ejb's local
interfaces and lookups are any way being
done using ejb-ref and ref mapping are given in weblogic.xml.
Where does Servlet spec come into the picture?
Do you mean to say that you can not lookup for local home from a jsp in
WL6.1?
Regards,
Rupesh.
Anand Byrappagari <[email protected]> wrote in message
news:[email protected]...
Are you using Weblogic 6.1? Then local interfaces in web components arenot
supported. Local interfaces were added only in Servlet 2.3 I think.Weblogic
6.1 is not completely compliant with Servlet 2.3.
-- Anand
"Rupesh" <[email protected]> wrote in message
news:[email protected]...
Isn't lookup for local interfaces allowed from web client. I have
defined
a
ejb-reference for the bean in my web.xml. When I do a lookup as
TestBeanLocalHome home = (TestBeanLocalHome)
ic.lookup("java:comp/env/ejb/TestBeanLocal");
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Unresolved:'TestBeanLocal' ; remaining name ''
at
weblogic.jndi.internal.BasicNamingNode.newNameNotFoundException(BasicNamingN
ode.java:887)
at
weblogic.jndi.internal.BasicNamingNode.lookupHere(BasicNamingNode.java:219)
atweblogic.jndi.internal.BasicNamingNode.lookup(BasicNamingNode.java:183)
atweblogic.jndi.internal.BasicNamingNode.lookup(BasicNamingNode.java:191)
atweblogic.jndi.internal.BasicNamingNode.lookup(BasicNamingNode.java:191)
atweblogic.jndi.internal.BasicNamingNode.lookup(BasicNamingNode.java:191)
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at
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at
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at
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at
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at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
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Problems with JNDI lookup for java:comp/env/ejb

Hi all,
I'm using OC4J 9.0.3 and I have problems when looking up for the local
EJB context.
I have a SLSB which refers to another SLSB via a JNDI mapping like
shown below. Both services are deployed within one EAR file.
(snippets of ejb-jar.xml and orion-ejb-jar.xml)
<ejb-jar>
<enterprise-beans>
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<ejb-name>ServiceABean</ejb-name>
<home>com.coi.ServiceAHome</home>
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<ejb-class>com.coi.ServiceABean</ejb-class>
<session-type>Stateless</session-type>
<transaction-type>Container</transaction-type>
<ejb-ref>
<ejb-ref-name>ejb/some/sub/packages/ServiceB</ejb-ref-name>
<ejb-ref-type>Session</ejb-ref-type>
<home>com.coi.ServiceBHome</home>
<remote>com.coi.ServiceB</remote>
</ejb-ref>
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</ejb-jar>
<orion-ejb-jar>
<enterprise-beans>
<session-deployment location="global/some/sub/packages/ServiceA" name="ServiceABean">
<ejb-ref-mapping name="ejb/some/sub/packages/ServiceB" location="global/some/sub/packages/ServiceB" />
</session-deployment>
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The ApplicationInitialContextFactory will be used (prepared by the container),
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public class ServiceABean implements SessionBean
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InitialContext con = new InitialContext(); // will be of class ApplicationContext
Context localEjbContext = (Context)con.lookup( "java:comp/env/ejb" );
ServiceBHome serviceBHome = (ServiceBHome) PortableRemoteObject.narrow(
localEjbContext.lookup( "some/sub/packages/ServiceB" ),
ServiceBHome.class );
The problem is now, that the lookup for "java:comp/env/ejb" doesn't work
and throws a NameNotFoundException.
To figure out what's actually happening during lookup I debugged a little bit and
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Regards
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Hi Debu,
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Regards
--thomas

Problem in Jndi lookup for ITaskService

HI,
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Hashtable ht = new
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          ht.put(IWorkflowServiceClientConstants.CONNECTION_PROPERTY.EJB_SECURITY_PRINCIPAL, "username");
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ITaskService taskService = (ITaskQueryService)ctx.lookup("ejb/bpel/services/workflow/TaskServiceBean");
taskService.initiateTask(task);
It the right approach or not.
Please help.

To access human workflow api remotely try using the following code :
Map properties = new HashMap();
properties.put(IWorkflowServiceClientConstants.CONNECTION_PROPERTY.EJB_PROVIDER_URL, "t3://localhost:8001");
properties.put(IWorkflowServiceClientConstants.CONNECTION_PROPERTY.EJB_SECURITY_CREDENTIALS, "welcome1");
properties.put(IWorkflowServiceClientConstants.CONNECTION_PROPERTY.EJB_SECURITY_PRINCIPAL, "weblogic");
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WorkflowServiceClientFactory.getWorkflowServiceClient(WorkflowServiceClientFactory.REMOTE_CLIENT, properties, null);
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ITaskQueryService querySvc = wfSvcClient.getTaskQueryService();
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GWIA doing DNS lookup for local address

Hello,
I am running GW8.0.2 on Netware 6.5sp8. I have a server that our recreation department uses to send out confirmation emails when a customer signs up for a class. The recreation server and the GWIA are on the same subnet.
Here's the problem: When the Rec server sends out the first email confirmation, it gets sent out successfully. Subsequent emails after that fail. After about twenty minutes the next email will go out OK again but subsequent emails will fail.
The verbose logs on the GWIA don't tell me much but the diagnostic logs show what looks like a reverse DNS lookup happening at the GWIA for my local IP address of 10.0.0.3 (the Rec server). This reverse DNS lookup fails (probably a timeout) and subsequent emails from this local Rec server get dropped by the GWIA without the DNS lookup.
DNS is being done by DNS proxy on Bordermanager 9.2. I've bypassed the Bordermanager DNS and the same thing happens. I've made entries for the local Rec server into a route.cfg file but the GWIA seems to want to ignore these entries and keeps doing the DNS lookup.
The wierdest part of the puzzle is that if I restart the proxy on the Bordermanager the next email will go out with, of course, subsequent emails failing. I've looked at the proxy dns cache and can't even find an entry for my Rec server.
Attached are the entries from the Diagnostic logs of the GWIA. Novell tech support has assured me that the GWIA and the BM are working fine. I am also having this problem with a scanner that scans then emails but all other email and Bordermanager are functioning fine. This server and scanner were not having this problem before upgrading to GW8.0.2.
I don't understand why GWIA is doing DNS lookups for a local address and I don't know what I can do to stop it. Any help would be greatly appreciated.
This is a successful transfer right after restarting the proxy: 10.0.0.3 is the Rec server, 10.0.0.130 is the GWIA and 10.0.0.1 is the Bordermanager.
16:04:13 D15 NgwResQuery(3.0.0.10.in-addr.arpa, 1, 12)
16:04:13 D15 Querying server (# 1) address = 10.0.0.1
16:04:13 D15 HEADER:
16:04:13 D15 opcode = QUERY, id = 17615, rcode = SERVFAIL, flags: qr aa rd
16:04:13 D15 query = 1, answer = 0, authority = 0, additional = 0
16:04:13 D15
16:04:13 D15 QUESTIONS:
16:04:13 D15 3.0.0.10.in-addr.arpa, type = PTR, class = IN
16:04:13 D15
16:04:13 D15 rcode = 2, ancount=0
16:04:13 D15 NgwResQuery failed
16:04:13 D15 DMN: MSG 2000909 Accepted connection: [10.0.0.3] ()
16:04:13 D15 Successful login with client/server access: 10.0.0.130:1677
16:04:13 D15 DMN: MSG 2000909 Receiving file: ECMAIL/SYS:\PROGRAMS\GRPWISE\WPGATE\GWIA\3RD\receive\df30 fad4.221
16:04:13 D15 DMN: MSG 2000909 SMTP session ended: [10.0.0.3] ()
This is an unsuccessful transfer:
16:06:08 D04 timeout
16:06:08 D04 NgwResQuery: send error
16:06:08 D04 NgwResQuery failed
16:06:08 D04 DMN: MSG 2000933 Accepted connection: [10.0.0.3] ()
16:06:08 D04 DMN: MSG 2000933 SMTP session ended: [10.0.0.3] ()
Then the successful email comes back into the system:
16:06:26 AA8 MSG 2000909 Processing inbound message: ECMAIL/SYS:\PROGRAMS\GRPWISE\WPGATE\GWIA\receive\DF30FAD4 .221
16:06:26 AA8 MSG 2000909 Sender: [email protected]
16:06:26 AA8 MSG 2000909 Recipient: [email protected]
16:06:26 AA8 MSG 2000909 Queuing to MTA
16:06:26 AA8 MSG 2000909 File: ECMAIL/SYS:\PROGRAMS\GRPWISE\WPGATE\GWIA\wpcsin\4\4daf048 2.8m1 Message Id: (4DAF66F2.B67:244:35687) Size: 163.3 Kb

Thanks Massimo. I could have swore I already did that but when I did it again just to make sure it solved the problem. Appreciate the help. Have a good one.
Originally Posted by mrosen
On 02.05.2011 21:06, avanrav wrote:
>
> Hello,
>
> I am running GW8.0.2 on Netware 6.5sp8. I have a server that our
> recreation department uses to send out confirmation emails when a
> customer signs up for a class. The recreation server and the GWIA are on
> the same subnet.
>
> Here's the problem: When the Rec server sends out the first email
> confirmation, it gets sent out successfully. Subsequent emails after
> that fail. After about twenty minutes the next email will go out OK
> again but subsequent emails will fail.
>
> The verbose logs on the GWIA don't tell me much but the diagnostic logs
> show what looks like a reverse DNS lookup happening at the GWIA for my
> local IP address of 10.0.0.3 (the Rec server). This reverse DNS lookup
> fails (probably a timeout) and subsequent emails from this local Rec
> server get dropped by the GWIA without the DNS lookup.
>
> DNS is being done by DNS proxy on Bordermanager 9.2. I've bypassed the
> Bordermanager DNS and the same thing happens. I've made entries for the
> local Rec server into a route.cfg file but the GWIA seems to want to
> ignore these entries and keeps doing the DNS lookup.
>
> The wierdest part of the puzzle is that if I restart the proxy on the
> Bordermanager the next email will go out with, of course, subsequent
> emails failing. I've looked at the proxy dns cache and can't even find
> an entry for my Rec server.
The reverse DNS done by GWIA is normal, and can't be stopped or tricked.
That it fails in such odd ways must be a bug with the reverse DNS proxy
of Bordermanager though. Apparently on the second lookups, it doesn't
answer in a timely manner (the type of answer is irrelevant, just it
*has* to answer). Use a different, "real" DNS server for your GWIA.
CU,
Massimo Rosen
Novell Product Support Forum Sysop
No emails please!
Untitled Document

Transfer Order not created while performing GR for Production order

Hi, I am facing a problem while recieving stock from a production order. The system does not create a transfer requirement or a TO.
Let me give you a brief background.
This is a new functionality introduced in ECC 6.0 for working with kanban in WM.
Supply area is created for WM location.
Control cycle is created for material, supply area. Warehouse, storage type and Bin is maintained in control cycle record. When the GR is done for production order material is recieved in this bin.
1) Now when the Kanban is set empty a production order is automatically created.
2) Once the production order is confirmed the material automatically shows up in the bin.
A material document is created which shows IM movement type 101 and WM movement type 103. Also in material document Immediate auto TO checkmark is blank.
3) *PROBLEM* - System does not create a TR or a TO. the material automatically shows up in the Bin. How can we enable an auto TR and TO creation.
Following are the settings which I have already checked:
1) In IMG, WM movement type 103 has auto TO indicator set.
2) IM-WM interface for 102 movement type and 103 movement type is maintained.
The main problem is: Although the material document displays WM movement type 103 and the stock lies in WM bin, System never created a Transfer requirement or a Transfer order.
I would really appreciate if anyone can help me in this.
Thanks

Hi Mike,
I do not know this function in SAP, so these are just my ideas:
1.
System does not create a TR or a TO. the material automatically shows up in the Bin.
I think it's a normal SAP behaviour. If you do GR against a PO the quant(s) will appear in interim storage bin w/o TO. The TO is to move the quants from one bin to another, but in this case the quant comes from 'nothing' and arrives at the bin.
If you make confirmation and consume the components refering to a PrdOrd, the components will disappear w/o TO from storage type 100 + dynamic bin, because there's no TO that could move them from dynamic bin to 'nothing'.
So, these 'movements' are to change the WM stock level and TOs are not designed for this.
2.
There's difference between auto creation of TO and immediate TO creation. Please check what SAP help says in case of TOs for outbound deliveries:
http://help.sap.com/saphelp_47x200/helpdata/en/c6/f8406c4afa11d182b90000e829fbfe/frameset.htm
3.
Now when the Kanban is set empty a production order is automatically created.
So, if you remove the stock from the Kanban it triggers the creation of a PrdOrd. This is very logical in a Kanban system because it is a pull system. but your problem is not this, it's clear.
If you just created an automatic TO and would remove the stock from Kanban-bin, a new PrdOrd would be generated, and so on. As many times you remove the stock a new PrdOrd is created and this might be the reason why no TO is crated automatically. In this case this would be a push system and not kanban system.
I do not know this process but if we concentrate only on the pull system, maybe this Kanaban is to store the FG until an event (e.g. shipment) should trigger the stock removal from this bin. (just my assumption)
Please try to mark the TR creation for the movement type w/o auto / immediate TO and tell us the result (whether you get the TR if you confirm the PrdOrd).
Regards,
Csaba

Problem while doing PGI for Returns Delivery

Hi,
We are facing some problem which doing PGI for a returns delivery. Our scenario is HU and WM managed. After creation of delivery I have created a TO and has two different valuation type of same material. Total quantity in TO is 2, 1 of each valuation type. So, automatically, batch split happened for the line item in delivery.
Now when I am trying to do PGI for this delivery, I get en error message saying "Enter Valuation Type". The movement type used here is 161 (Vendor Returns)
Same thing is happening successfully for movement type 643 (Transfer inter company code). What I can gather is that while creating 161 document against delivery system is not automatically taking the valuation types mentioned in line item of delivery.
Let me know possible reasons for this error and resolution.
Regards,
Vishal

Implement the OSS note 965985

Problem using application client for local stateful session bean

Hi,
I have deployed a local stateful session bean in Sun J2EE 1.4 application server.
On running the applclient for the stateful session bean application client i get the following error:
Warning: ACC006: No application client descriptor defined for: [null]
cant we use application client for local stateful session beans. becoz the application runs smoothly when i changed the stateful sesion bean to remote.

Hi,
No, an ejb that exposes a local view can only be accessed by an ejb or web component packaged within the same application. Parameters and return values for invocations through the ejb local view are passed by reference instead of by value. That can't work for an application client since it's running in a separate JVM.
--ken

Problem while using aggregate functions in EJB QL 2.1

Hai all,
I am using aggregate function as follows
select max(c.id) from customer as c
for this iam selected check box EJB QL 2.1 in persistent.xml
this is validated by nwds, but while deploying server raising error like ejb ql syntax error.
Actually according to EJB QL 2.1 this is a valid query, what i need to do for run this same query .
Anybody please help me in this regard
Regards
Somaraju

Beevin
Both two are not even validated,
but with the first one as select max(c.id) from customer as c , in this case it is validated but while deploying it is error as , object must be return
But when i saw the ejb2.1 specification we can write this type of queries also ?
Is it problem with was any thing
Regards
Somaraju

Lookup for local home interface

Hi!
I am using the j2eesdk and there is a thing I cannot find anywhere:
When I use a local interface for a bean and define an EJB Ref on that bean in the 'deploytool', I cannot specify a JNDI name (only a bean name). Therefore I cannot map the coded name in my Context-lookup() call in the code to any JNDI name on the applications 'JNDI Names' tab.
My question is:
- how do I lookup local home interfaces?
- if this is done via JNDI, how do I do this in the deploytool?
Kind Regards
Ralf

Hi
The point u all should understand is you use a jndi name in your programs
say
public static void main(String[] args)
InitalContext ctx = new IntialContext();
ctx=(Context)ctx.lookup("java:comp/env");
DemoLocalHome home = ctx.lookup("ejb/DemoBean");
in the above program you use "ejb/DemoBean" as a reference name, but actually there won't be a Bean registered with that name. so, when u deploy the appclient u should map the reference name with the actual JNDI name ( if it's a remote interface) or with the class name (Local interface)
so, when u deploy the appclient in the "ejb ref " tab, u specify that it uses Local interfaces and in the end u don't map the refernce name to a JNDI name( because it's a local interface) and rather u speciy the class name.
that's how u map the references for Remote and Local home interfaces.....
thank's for listening to that......
for more suggestions mail me at [email protected]

Problems while performing lookup for Local EJBs

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