[9.2 Cluster] Incompatible ejb objects (BEA-000124)

Hello,
          I am trying to deploy my ear file in a 9.2 cluster with two managed servers.
          However, when the managed servers download the cluster JNDI tree I receive error BEA-000124 (The object ... in the JNDI tree is clusterable but is incompatible ...).
          I already tried to delete the EJB-Cache and the staged ear file but this did not help. I have no idea where this incompatible version could come from...
          Any help would be appreciated!
          Kai

First off, I would make sure you have the application targeted at the cluster. That'll ensure the same application is deployed to every cluster member.
          Then, redeploying the app should be sufficient.
          -- Rob
          WLS Blog http://dev2dev.bea.com/blog/rwoollen/

Similar Messages

Changing a method in an EJB object without recompiling EJB-Clients

Hi!
I have 4 Web (JSP) applications using the same EJBs., deployed to a BEA Weblogic application server.I want to know if there is a way to change the code in a method in one of my EJB objects (no interface change) without recompiling and redeploying my EJB-clients and Web apps.
Regards,
Per - Chr.

Hello,
I have 4 Web (JSP) applications using the same EJBs.,
deployed to a BEA Weblogic application server.I want
to know if there is a way to change the code in a
method in one of my EJB objects (no interface change)
without recompiling and redeploying my EJB-clients and
Web apps.You can change the EJB's without recompiling the clients as long as the interfaces and the classes used by both the EJB's and clients are not changed.
For example, if you don't change the interfaces but change the exception implementation thrown by a method of the bean, then you have to recompile the clients with the new version of the exception class.
Kexkey

EJB object factory

Declare the factory class as a startup class. In the main() method, create a new initial context and bind a new instance of the factory class into the jndi tree under an agreed on name. Youi client code should look for the factory calss under the agreed on name.
Hope that helps.
Narendra Pasuparthy wrote:
Hi Eduardo,
Thanks for looking into my problem, I have been trying to do this thing for
the last 2 weeks and you help comes as a new sign of life to me.
Anyway i understand the problem better now, but i am still far away from
having to solve it. you say something about adding the object factory to the
JNDI tree
What you can do is add your object factory to the jndi tree. Your >bean
could look it up, etc.How can i do this, i presume that when you say jndi tree you ae referring to
the JNDI tree provided by the weblogic server; right?
If you can shed more light on how i can add my object factory to the JNDI
tree and how i can look it up i would appreciate your help.
Looking forward to hearing form you soon.
Bye,
Naren
From: [email protected] (Eduardo Ceballos)
To: narendra <[email protected]>
Subject: Re: EJB object factory
Date: Mon, 21 Aug 2000 08:42:34 -0700
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References: <[email protected]>
There is no provision for a generic object factory in the public api, and
none is supported.
What you can do is add your object factory to the jndi tree. Your bean
could look it up, etc. I would urge you to
make sure that there are appropriate acls on the factory, for obvious
security reasons.
narendra wrote:
My problem is that i want to invoke a service running on another APPserver form an EJB bean,
the other app server provides some client APIwhich i can use and invokethe service. Due to the
security restriction in EJB container i was not able to do this, theapproach i am thinking
about is establishing an object factory to create an object of theother app server client
class and use that from the bean.
the weblogic server seems to handle,"javax.sql.DataSource,""javax.jms.QueueConnectionFactory,"
"javax.jms.TopicConnectionFactory" or "java.net.URL" how can it supportgeneric object factories, since I
have a obect factory that does not construct any of the objects usingthe weblogic supported object
factory.
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Finding an EJB object. Web clients vs. Java clients

From what I've read this is the process for a web client to find an EJB object: the client uses JDNI to find a reference to the EJBHome interface and then it uses the create method from this interface which makes the container to begin to work, creating an instance of the implementation class and an instance of the EJBObject interface, and returning a reference to the EJBObject, which will be used by the client to call the methods.
Are there any differences if the client is a java application and not a web client?

The Java Client talk to the server with random ports
not 80. Gives me a headache. _*why?
There's no need to get headaches about it, in fact no need to worry about it at all.
Just have the JNDI services available so you can do the lookup (which might require opening a port (or more than one) on the firewall, but that's it.
And that's no different between a standalone client and a web application client. Both need to do that JNDI lookup.

Problem in getting handle to EJB Object

Hi All,
I am getting following exception when i try to get handle on my ejb object.
My Client Program:
import synch.*;
import javax.naming.*;
import java.rmi.*;
import javax.rmi.*;
import javax.ejb.*;
import java.io.*;
public class SearlizeClient
     public static void main(String[] args) throws Exception
          Context ic = new InitialContext();
               Object o = ic.lookup("NameBean"); // replace with YOUR JNDI name for the bean
               NameHome nameHome = (NameHome) PortableRemoteObject.narrow(o, NameHome.class);
               synch.Name obj1 = nameHome.create();
               obj1.setName("Balaji");
               Handle myHandle= obj1.getHandle();// Getting exception at this place
               FileOutputStream out = new FileOutputStream("MyHandle.txt");
               ObjectOutputStream s = new ObjectOutputStream(out);
               s.writeObject(obj1);
               s.flush();
               out.close();
I got following excetion when i try to get handle on EJBObject
Dec 6, 2005 11:20:19 AM com.sun.corba.se.impl.encoding.CDRInputStream_1_0 read_value
WARNING: "IOP00810257: (MARSHAL) Could not find class"
org.omg.CORBA.MARSHAL: vmcid: SUN minor code: 257 completed: Maybe
at com.sun.corba.se.impl.logging.ORBUtilSystemException.couldNotFindClass(ORBUtilSystemExcep
tion.java:7756)
at com.sun.corba.se.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:1013
at com.sun.corba.se.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:879)
at com.sun.corba.se.impl.encoding.CDRInputStream_1_0.read_abstract_interface(CDRInputStream_
1_0.java:873)
at com.sun.corba.se.impl.encoding.CDRInputStream_1_0.read_abstract_interface(CDRInputStream_
1_0.java:863)
at com.sun.corba.se.impl.encoding.CDRInputStream.read_abstract_interface(CDRInputStream.java
:269)
at synch._Name_Stub.getHandle(Unknown Source)
at SearlizeClient.main(SearlizeClient.java:20)
Caused by: java.lang.ClassNotFoundException
... 7 more
Exception in thread "main" java.rmi.MarshalException: CORBA MARSHAL 1398079745 Maybe; nested excepti
on is:
org.omg.CORBA.MARSHAL: vmcid: SUN minor code: 257 completed: Maybe
at com.sun.corba.se.impl.javax.rmi.CORBA.Util.mapSystemException(Util.java:197)
at javax.rmi.CORBA.Util.mapSystemException(Util.java:67)
at synch._Name_Stub.getHandle(Unknown Source)
at SearlizeClient.main(SearlizeClient.java:20)
Caused by: org.omg.CORBA.MARSHAL: vmcid: SUN minor code: 257 completed: Maybe
at com.sun.corba.se.impl.logging.ORBUtilSystemException.couldNotFindClass(ORBUtilSystemExcep
tion.java:7756)
at com.sun.corba.se.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:1013
at com.sun.corba.se.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:879)
at com.sun.corba.se.impl.encoding.CDRInputStream_1_0.read_abstract_interface(CDRInputStream_
1_0.java:873)
at com.sun.corba.se.impl.encoding.CDRInputStream_1_0.read_abstract_interface(CDRInputStream_
1_0.java:863)
at com.sun.corba.se.impl.encoding.CDRInputStream.read_abstract_interface(CDRInputStream.java
:269)
at synch._Name_Stub.getHandle(Unknown Source)
... 1 more
Caused by: java.lang.ClassNotFoundException
... 7 more
Enviroment: This bean is hosted on Sun J2ee Appserver 8.0 and normal client prg is working fine .. But it is failing in getting handle
Please suggest,
Thanks in advance

The only way is to create your own equivalent of HttpSessionContext.
Its simple enough, just create a class that implements HttpSessionListener (responds to session creation, and destruction)
You can get the sessions as they are created, and keep a global reference to them, and manipulate it as much as you like. In your case you would probably want to index the sessions by userId rather than sessionId for easy access.
Good luck,
evnafets

Transaction & non-EJB objects (helper)

hi i have a question about transactional behavior of non-EJB objects. i'm
          using
          weblogic 6.0 sp1 with ejb 2.0.
          say i have a session bean which starts a container managed transaction. and
          it calls
          out to helper class A(non-EJB), and that helper class A get a connection and
          update
          some tables. after A returns, session bean calls helper class B(non-EJB) in
          the
          same transaction. B is supposed to update some other tables but it throw an
          user
          exception. would the transaction in the session bean be rolled back? would
          it
          also roll back the changes made by helper class A?
          thanks for any help,
          z


Thanks Rob!
          "Rob Woollen" <[email protected]> wrote in message
          news:[email protected]...
          > Ziqiang Xu wrote:
          >
          > > hi i have a question about transactional behavior of non-EJB objects.
          i'm
          > > using
          > > weblogic 6.0 sp1 with ejb 2.0.
          > >
          > > say i have a session bean which starts a container managed transaction.
          and
          > > it calls
          > > out to helper class A(non-EJB), and that helper class A get a connection
          and
          > > update
          > > some tables.
          >
          > You must get the JDBC connection from a TxDataSource.
          >
          > > after A returns, session bean calls helper class B(non-EJB) in
          > > the
          > > same transaction. B is supposed to update some other tables but it
          throw an
          > > user
          > > exception. would the transaction in the session bean be rolled back?
          >
          > Merely throwing an exception from a helper class will not rollback the
          > transaction.
          >
          > Within an EJB, the best way to rollback a tx is to use the
          > EJBContext.setRollbackOnly method.
          >
          > So you could do something like this:
          >
          > session_bean_method() {
          >
          > try {
          > B.foo();
          > } catch (MyException e) {
          > ctx.setRollbackOnly();
          > throw e;
          > }
          >
          > }
          >
          > > would
          > > it
          > > also roll back the changes made by helper class A?
          > >
          >
          > If they are all within a single transaction, then yes. As I mentioned
          before,
          > make sure that you use a TxDataSource for all of your JDBC Connections.
          >
          > -- Rob
          >
          > >
          > > thanks for any help,
          > >
          > > z
          >

Renaming default Datacenter, Cluster, and Datastore object names in EVO:RAIL

Hello,
The Datacenter, Cluster, and vSAN Datastore objects in my newly-installed EVO:RAIL appliance all default to a label of "MARVIN-...". Is it safe to rename these labels appropriate to my environment, such as a geographic location for my Datacenter object? I suspect that it is okay because the underlying UID will not change, but am looking for confirmation from someone who has successfully done this in a lab or production environment and who has also been successful in applying EVO:RAIL patches afterward.
Thanks in advance.

Just to close the loop, I successfully renamed the datacenter, cluster, and vSAN objects in vCenter Server.
I kept a close watch on Log Insight at each step, and did log one error that I found suspicious following the object rename of the vSAN datastore:
2015-01-29T19:03:27.158Z <My 4th Host's FQDN> Hostd: [783C2B70 info 'DiskLib'] DISKLIB-LINK :DiskLinkGetSpaceUsedInfo: Failed to get the file system unique id for file vsan://118eb054-f123-469a-d542-XXXXXXXXXXXX, using id as "remote"
Where in my case the 4th host happens to currently be the HA master. I'm guessing this was just a transient error as it hasn't reappeared in the last 30 minutes, but I'll keep an eye out for it. There was no corresponding error viewed in vCenter Server, and I seem to be able to refresh the vSAN storage counter without issue.
Thanks again.

List of EJB object published in database

how is it possible to list of EJB object published in database ?
I'm using Oracle 8.1.7.
Thanks

Enterprise Manager --> DBA Pack --> Connect to JServer

One EJB object accessed by two clients.

One client access a EJB object another client access the same EJB
object, when the first client releases the ejb object, then second
client loses data or gets null.
Any body knows what is happening?
Thanks

hey,
is this with StatefulSession Bean. I too am experiencing the same problem. When two users are trying to access the same bean the same time, one is returing null. This being a UserSession Bean, one user is getting the session object as null..
Can anyone answer this problem....
cheers,
prasad.

Help me! About look up EJB object.

I have deployed the ejb object on local PE 9(Sun Java System Application Server Platform Edition 9).
When I use the following code to have a test, I will get a correct result.
The classpath include (appserv-rt.jar) ect.
public static void main(String[] args) {
     try{
          Properties props = System.getProperties();
          Context ctx = new InitialContext(props);
          Hello h = (Hello) ctx.lookup("java:comp/env/ejb/test/Hello");
          Hello h = (Hello) ctx.lookup("ejb/test/Hello");
          System.out.println(h.sayHello());
     }catch(Exception e){
          e.printStackTrace();
The first question is that the real host ever is the localhost, whether I set the any host (props.put(Context.PROVIDER_URL,"iiop://192.46.57.78:3700");).
Why?
When I use the following code to have a test, I will get a incorrect result.
public static void main(String[] args) {
     try{
          Properties props = System.getProperties();
          props.put(Context.INITIAL_CONTEXT_FACTORY,"com.sun.jndi.cosnaming.CNCtxFactory");
          props.put(Context.PROVIDER_URL,"iiop://localhost:3700");
          Context ctx = new InitialContext(props);
          Hello h = (Hello) ctx.lookup("java:comp/env/ejb/test/Hello");
          Hello h = (Hello) ctx.lookup("ejb/test/Hello");
          System.out.println(h.sayHello());
     }catch(Exception e){
          e.printStackTrace();
The exception is :
javax.naming.NameNotFoundException [Root exception is org.omg.CosNaming.NamingContextPackage.NotFound: IDL:omg.org/CosNaming/NamingContext/NotFound:1.0]
     at com.sun.jndi.cosnaming.ExceptionMapper.mapException(ExceptionMapper.java:44)
     at com.sun.jndi.cosnaming.CNCtx.callResolve(CNCtx.java:453)
     at com.sun.jndi.cosnaming.CNCtx.lookup(CNCtx.java:492)
     at com.sun.jndi.cosnaming.CNCtx.lookup(CNCtx.java:470)
     at javax.naming.InitialContext.lookup(InitialContext.java:351)
     at tests.HelloTest.main(HelloTest.java:30)
Caused by: org.omg.CosNaming.NamingContextPackage.NotFound: IDL:omg.org/CosNaming/NamingContext/NotFound:1.0
     at org.omg.CosNaming.NamingContextPackage.NotFoundHelper.read(NotFoundHelper.java:72)
     at org.omg.CosNaming._NamingContextExtStub.resolve(_NamingContextExtStub.java:406)
     at com.sun.jndi.cosnaming.CNCtx.callResolve(CNCtx.java:440)
     ... 4 more
Why?
Please help me!
Thanks!

Sorry!
Above:
Hello h = (Hello) ctx.lookup("java:comp/env/ejb/test/Hello");
The above (Hello h = (Hello) ctx.lookup("java:comp/env/ejb/test/Hello");) have deleted in right code.

EJB Object

What is EJB Object. What are the Uses.

An EJBObject is the client side object that represents the Remote view of an session or entity bean. The client can use this object to invoke business methods on the ejb. EJB is a component model, so it makes a clear distinction between the cilent-side view of an object and the objects that are managed by the container. Clients do not hold direct references to the bean instances. This allows the container to interpose on all invocations and to better manage the life cycle of the bean instances.
--ken

Storing/Recalling of EJB Objects

Hi
I have a servlet that accepts a XMLDocument in the doPost method.In this XML I have the following nodes:
EJBName, EJBMethod, Parameter1,...
The Servlet has already done the JNDI lookup and creation of my EJB's (quite a lot of them).
I would now like to store the EJB object in some sort of array and extract the correct one depending upon the values received in the XML Doc.
Example...
WizIsisIMEIHome wizIsisIMEIHome = (WizIsisIMEIHome)ctx.lookup("WizIsisIMEI");
wizIsisIMEI = wizIsisIMEIHome.create();
I would now like to put this object into the array with a reference name: ie IsisEJB.
If I now receives the following data in the XMLDoc, I would like to do the following:
Lookup EJB object by reference (IsisEJB).
Build up the following statement:
EJBName .EJBMethod(param1, ...);
XMLDocument outXMLDoc = wizIsisIMEI.getLastIMEIXML( msisdn, imei, retMessage, retCode );
I can do this with a CASE/SWITCH but this will be cumbersome/ugly with 90 EJB's!
Any ideas/samples will be appreciated
Tks
Andre

I would now like to put this object into the array
with a reference name: ie IsisEJB.Use a HashMap, with the EJB name as the key. When handling an incoming request, acquire the Remote (or Local) interface from the Map using the specified EJBName from your request.
Then use the Reflection API to acquire a Method object representing the remote method you want to call and invoke it.
.P.

[SOLVED] Eagerly Fetch sequence-value in EJB-object

I've defined my EJB-object PERSON to use the DB-sequence PERSONS_SEQ, but the Sequence is only called when the data is persisted using the persistEntity-method.
Could somebody point me out how I can eagerly fetch the PERSON.personId attribute when the create()-method is called on the PersonsIterator?

I wasn't able to set it declaratively on the EJB bean and I'm not sure if it's possible because I couldn't find any info on the API-doc's.
I've created my own custom method to create a new object instead of using the pre-configured methods 'create, execute, setCurrentRowWithKey', which are available through using ADF.
Using my own create-method I've added a custom method that gets the next sequence value using the createNativeQuery()-method which is available in the EntityManager. I've created a blog about the solution and the case I was working out.

Mulitple cluster servers supported by BEA Weblogic 6.0 ?

          Hi everyone,
          Here goes my question.
          1. Is it possible to have two weblogic clusters over the same/different network
          (either in LAN/WAN)? I want to have a cluster in the primary site and another
          site in
          the geographically separted location. So that in case of disaster, the requests
          should
          be forwarded to the secondary site (which is in hot standby mode) by the proxy
          server.
          2.If yes, how should the proxy server prior to this has to be configured? Which
          webserver supports this?
          3.Does weblogic can by itself be configured as a proxy server for this kind of
          architecture.
          I am need of this details urgently.
          Pls let me know.
          with regds
          siva


zhan zhang wrote:
Hi All,
I hope someone can help me with an issue when I have my EJB talk to Oracle DB by weblogic 6.0 connection pool.
My sql data query takes around 15 minutes to finish(I have tested with JDBC, it works). but when I do the same sql query via connection pool, it just stuck there forever.
I have checked the database that the query has been finished in 15 minutes but somehow connection pool does not return the result to Java.
I think it might be the problem that webloigc 6.0 has considered the connection as a "stuck thread" (http://edocs.bea.com/wls/docs70/perform/WLSTuning.html#1125714)
But the thing is that document is for weblogic 7.0 and I am using 6.0 at the moment, can someone help me please.
Thanks a lot!
Cheers,When the query has finished, get a thread dump
of WebLogic so we can see what is waiting on what.
What JDBC driver are you using? Show the JDBC
code. Does it happen the very first time you
run it? I assume the EJB requires a transaction,
so did you do your own JDBC test with a transaction?
Joe

Can't see EJB objects in Application Navigator after migration

Hello
I can't see any objects in Application Navigator after migration from previous version of JDeveloper (9.2.0.5), in System Navigator view I can see all sources. Has somebody any idea what the reason is?
Tom

In the application navigator you should see one node per EJB, when you stand on it you'll see the various source files in the structure window.

[9.2 Cluster] Incompatible ejb objects (BEA-000124)

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