J2EE 1.4 support

Hi everybody,
does Web AS 6.40 support j2ee 1.4?
Thanks you,
Alexander

Hi Alexander,
yes, there are plans to provide support for J2EE 1.4 in future versions of Web AS. But don't ask me about details (which version, or when is it to be generally available).
Anyway, you have web services available on Web AS 6.40. Here is a link to Web Services documentation for an overview of web services development: http://help.sap.com/saphelp_nw04/helpdata/en/d6/f9bc3d52f39d33e10000000a11405a/frameset.htm
> what will happen to my developed webservices?
Well, generally, you should be able to run them on future releases too, as whatever changes SAP makes, the aim is that those are backward compatible (thus transparent) to the applications.
Hope that answers your question?
Regards,
Ivo
Message was edited by: Ivaylo Ivanov

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This is not the right forum.
You have post this in an E Biz forum probably this one: http://forums.oracle.com/forums/category.jspa?categoryID=3

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SAP WAS J2EE server installation on Windows Vista

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> Is there anything latest on SAP WAS J2EE server installation on Windows Vista. In SDN download section I see SAP NetWeaver 7.01 ABAP Trial Version available with Vista compatibility.
>
> Is there SAP J2EE server also available with Vista compatibility ?
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==============================================
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Sun J2EE SDK 1.3_01, java.lang.ClassCastException thrown during deployment

I encountered a bug while using the deploytool to deploy
an EAR file to the Sun J2EE 1.3_01 server.
I submitted a bug report to Sun via the Sun Java Developer Connection.
(Sorry, it has not been assigned a BugID yet)
Question:
Does anybody know if the web container in Sun's
J2EE 1.3_01 server supports access to local enterprise beans?
Screenshots of the bug are available at
http://sync4j.sourceforge.net/deploymentbug/
Full details below....
-Sean
category: j2ee
subcategory: deployment
release: 1.3_01
hardware: x86
OSversion: windows_2000
synopsis: java.lang.ClassCastException thrown during deployment of Session bean
java -version
java version "1.3.1_01"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.1_01)
Java HotSpot(TM) Client VM (build 1.3.1_01, mixed mode)
C:\j2sdkee1.3\bin>j2ee -version
Java 2 Enterprise Edition version 1.3_01, build 1.3_01-b01
I built a EJB 2.0 compliant stateful session bean.
The session bean has a remote interface (ISyncRemote),
a remote home interface (ISyncHomeRemote),
a local interface (ISyncLocal),
and a local home interface (ISyncHomeLocal).
I built an HTTP Servlet that is supposed to access
the Stateful Session Bean using ISyncHomeLocal and
ISyncLocal
I run "deploytool.bat" in GUI mode to perform the deployment.
During deployment, the deploytool GUI displays a message
box which states:
"There was a deployment error.
java.rmi.ServerException: RemoteException occurred in server thread;
nested exception is:
java.rmi.RemoteException: An error was encountered while loading
a web component.
Please refer to
<J2EE_HOME>/logs/<machine-name>/j2ee//j2ee/error.log
for more information. Please verify your Application with the
Verifier tool."
The "error.log" file did not contain any useful information.
I ran the J2EE "verifier.bat" tool to verify that my EAR archive is OK.
The Sun J2EE server output this error string:
"java.lang.ClassCastException:
com.sun.enterprise.deployment.EjbExternalDescriptor"
Here is the full output from the Sun J2EE server:
C:\j2sdkee1.3\bin>j2ee -verbose
J2EE server listen port: 1050
Naming service started:1050
Binding DataSource, name = jdbc/EstoreDB, url =
jdbc:cloudscape:rmi:CloudscapeDB;create=true
Binding DataSource, name = jdbc/Cloudscape, url =
jdbc:cloudscape:rmi:CloudscapeDB;create=true
Binding DataSource, name = jdbc/DB1, url =
jdbc:cloudscape:rmi:CloudscapeDB;create=true
Binding DataSource, name = jdbc/DB2, url =
jdbc:cloudscape:rmi:CloudscapeDB;create=true
Binding DataSource, name = jdbc/InventoryDB, url =
jdbc:cloudscape:rmi:CloudscapeDB;create=true
Binding DataSource, name = jdbc/XACloudscape, url = jdbc/XACloudscape__xa
Binding DataSource, name = jdbc/XACloudscape__xa, dataSource =
COM.cloudscape.core.RemoteXaDataSourc
e@245536
Starting JMS service...
Initialization complete - waiting for client requests
Binding: < JMS Destination : jms/Queue , javax.jms.Queue >
Binding: < JMS Destination : jms/Topic , javax.jms.Topic >
Binding: < JMS Cnx Factory : TopicConnectionFactory , Topic , No properties >
Binding: < JMS Cnx Factory : jms/TopicConnectionFactory , Topic , No properties
>
Binding: < JMS Cnx Factory : QueueConnectionFactory , Queue , No properties >
Binding: < JMS Cnx Factory : jms/QueueConnectionFactory , Queue , No properties
>
Starting web service at port: 8000
Starting secure web service at port: 7000
J2EE SDK/1.3
Starting web service at port: 9191
J2EE SDK/1.3
J2EE server startup complete.
Compiling c:\j2sdkee1.3\repository\rbi\gnrtrTMP\Sync4j Server enterprise
application\sync4j\server\s
yncbean\SyncBean_LocalHomeImpl.java ....
Compiling c:\j2sdkee1.3\repository\rbi\gnrtrTMP\Sync4j Server enterprise
application\sync4j\server\s
yncbean\SyncBean_EJBLocalObjectImpl.java ....
Compiling c:\j2sdkee1.3\repository\rbi\gnrtrTMP\Sync4j Server enterprise
application\sync4j\server\s
yncbean\SyncBean_RemoteHomeImpl.java ....
Compiling c:\j2sdkee1.3\repository\rbi\gnrtrTMP\Sync4j Server enterprise
application\sync4j\server\s
yncbean\SyncBean_EJBObjectImpl.java ....
rmic sync4j.server.syncbean.SyncBean_RemoteHomeImpl...
rmic sync4j.server.syncbean.SyncBean_EJBObjectImpl...
c:\j2sdkee1.3\repository\rbi\applications\Sync4j Server enterprise
application1004172068449Server.ja
r
Binding name:`java:comp/env/ejb/ISyncHomeRemote`
Binding name:`java:comp/env/ejb/ISyncHomeLocal`
java.lang.ClassCastException:
com.sun.enterprise.deployment.EjbExternalDescriptor
at com.sun.enterprise.deployment.EjbReferenceDescriptor.getValue
(EjbReferenceDescriptor.java
:202)
at com.sun.enterprise.naming.NamingManagerImpl.bindObjects
(NamingManagerImpl.java:394)
at com.sun.web.server.WebService.addContext(WebService.java:148)
at com.sun.web.server.ServletDeployerImpl.loadWebComponents
(ServletDeployerImpl.java:214)
at
com.sun.enterprise.tools.deployment.backend.JarInstallerImpl.deployWebComponent
s
(JarInsta
llerImpl.java:791)
at
com.sun.enterprise.tools.deployment.backend.JarInstallerImpl.deployApplication
(JarInstall
erImpl.java:219)
at
org.omg.stub.com.sun.enterprise.tools.deployment.backend._JarInstallerImpl_Tie.
invoke(Un
known Source)
at com.sun.corba.ee.internal.corba.ServerDelegate.dispatch
(ServerDelegate.java:355)
at com.sun.corba.ee.internal.iiop.ORB.process(ORB.java:273)
at com.sun.corba.ee.internal.iiop.RequestProcessor.process
(RequestProcessor.java:84)
at com.sun.corba.ee.internal.orbutil.ThreadPool$PooledThread.run
(ThreadPool.java:99)
Does the Sun J2EE server implementation support the invocation
of Session EJB's via a Local interface?
Does the Sun J2EE server implementation allow a Servlet to invoke
Session EJB's via the bean's Local interface?
While researching this issue, I read the J2EE 1.3 final specification.
The spec says:
"The EJB container is required to access to local enterprise beans.
We recommend that the web container also support access to local
enterprise beans."
Does the web container in Sun's J2EE server support access to local enterprise beans?

I'm pretty much sure that you cannot access a
local Session bean from outside the EJB container.Please read the J2EE 1.3 specification before posting messages about EJB and J2EE.
According to the J2EE 1.3 specification:
"The EJB container is required to support access to local enterprise beans. We recommend that the web container also support access to local enterprise beans.
No support is provided for access to local enterprise beans from the application client container or the applet container."
If you use local interfaces for your session bean,
than your client must be local too. A local client is
a client that is collocated in the same JVM with the
session/entity that provides the local view and which
can be tightly coupled to the bean.My client is running in the same JVM as my EJB. The client is a servlet. The servlet is running in the same JVM as the EJB.
For what its worth, the error that I observed occurs during deployment. I haven't figured out why deployment is failing.

Using J2EE 1.4 Beta 2 on Windows 98 and Windows Me

I know J2EE isn't supported on Windows 98 and Windows Me, but like many others I've been able to get J2EE 1.3.1 and J2EE 1.4 Beta to work quite well on Windows 98 and Windows Me. However, no such luck when I tried to do the same with J2EE 1.4 Beta 2. Basically, after downloading j2eesdk-1_4-beta2-windows-eval-app.zip, extracting it into C:\j2ee_app_win, and double clicking setup.exe (or setup.dos.exe for that matter), the setup GUI doesn't appear. Has anybody gotten passed this point and gotten it to work?

Basically, J2EE 1.4 Beta 2 setup.exe doesn't work on Windows 98 or Windows Me even with 256 MB of memory. You'll see it appear on the task bar and then disappear right away. The setup task keeps running, so you have to kill it with Ctrl-Alt-Del.
However, J2EE 1.4 Beta 2 does work quite well on Windows XP Home Edition even though it's not supported by Sun. So if you don't have Windows XP Professional or Windows 2000, you can at least try it.
For help installing and getting started with J2EE 1.4 Beta 2 on Windows XP, see http://groups.msn.com/J2EETools.

J2EE Web services and JAX-RPC

Hello..
While working with J2EE web services using JDeveloper and OC4J, I noticed that it really doesn't confirm to Sun's JAX-RPC standard. The Web Service interface class does not extend the "Remote" and all methods don't throw "RemoteException" as mandated by JAX-RPC standard.
I have few questions:
(1) Are the OC4J J2EE web services completey different from JAX-RPC based web services.??
(2) Does Oracle have any implementation of JAX-RPC??
(3) Is Sun the only one promoting and implementing the JAX-RPC standard? Or are there other players?
thanks...

(1) Are the OC4J J2EE web services completey different from JAX-RPC based web services.??
OC4J J2EE Web Services originate from Oracle/Apache SOAP with several differences:
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http://otn.oracle.com/docs/products/ias/doc_library/903doc_otn/generic.903/b10004/orawebservices.htm#1024808
(scroll down a half page for the picture)
b. The packaging of the Web services rather than using the Apache SOAP registration mechanism uses something closer to JSR 109 (also known as Web Services for J2EE, part of J2EE 1.4 with JAX-RPC, SAAJ [SOAP API forAttachments in Java] and JAXP [Java API for XML Parsing]), where the Web service is packaged as an ordinary ear file for deployment.
Oracle built this implementation by extrapolating from the JAX-RPC documentation that was available last year before it was a final specification in an effort to release a production quality Web services implementation that was aligned with JAX-RPC. It has been through two releases - Oracle9iAS 9.02 and Oracle9iAS 9.0.3 and is now being evolved to JAX-RPC as we move to J2EE 1.4.
(2) Does Oracle have any implementation of JAX-RPC??
We are planning to release a JAX-RPC implementation in the new year (I don't have specific dates yet) on OC4J. The production implementation of this will be as seamless a migration as possible from the existing implementation. Oracle9i JDeveloper will also add support for JAX-RPC as a 3rd option in its list of choices available. You can get a sense of how such a migration would work by running the Web services wizard in JDev for Apache SOAP and then, in a separate project, running it for Oracle9iAS J2EE Web Services - imagine there being another option for JAX-RPC. The work to migrate should be as simple as running a wizard or command line utility (known as the Web Services Assembler tool in Oracle9iAS).
(3) Is Sun the only one promoting and implementing the JAX-RPC standard? Or are there other players?
Pretty much every one in the Java side of industry will be implementing JAX-RPC. The important time to note is when J2EE 1.4 is released ... sometime in the new year ... I believe around March but may be mistaken. Part of J2EE 1.4 is required support for JAX-RPC, SAAJ, Web Services for J2EE etc etc. This will standardize the implementation of Web services. Oracle, like others in the industry, supports the standard protocols, (SOAP), interfaces (WSDL) and registries (UDDI) - what J2EE 1.4 does is standardize the packaging, deployment and implementation (the wrappers generated by the tooling).
My guess is that around JavaOne (June 2003) there will be a rash of announcements from J2EE vendors announcing support of JAX-RPC and J2EE 1.4 (or early implementations) as we will be in the same race that happened in 2001/2002 when J2EE 1.3 was the spec to announce implementations around.
Mike.

PI 7.0 system copy - wrong J2ee cluster ids

I have performed a system copy of PI however the cluster ids numbers are from the source. where do I change this to update the correct IDs.
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Thanks
Mikie

Hi,
You need to check if the Exchange Profile parameters are pointing to the correct host name, port etc. If it is incorrect in the copied system, correct them with correct values going thro the parameters list. If you have any other Dev, Quality system in the landscape you can refer to them, if required.
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Hope this will be helpful.
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BPM standalone and J2EE versions

What is the diffrence between BPM standalone and J2EE versions
and
What are the advantages of Using J2EE Version over standlone?
In configuration document it is mentioned that we need to deploy wlj2eedeployer.ear on weblogic server.
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Thanks

Depending on your needs, the Engine can be deployed using two different implementation styles.
Standalone Oracle BPM Enterprise Engine
Oracle BPM can be deployed in a standalone environment running on a JVM. This is the original version of the Engine and has been around for 10 years.
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<li> It is simple to install and administer.
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J2EE Application Server Oracle BPM Enterprise Engine
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With the J2EE Application Server environment automatic failover is automatically provided across nodes.
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Hope this helps,
Dan

Cannot launch J2ee server, pls help

I am not able to launch j2ee server. I have followed instructions in Installation
file and installed software in correct directories and have set up environment
variables in autoexec file as follows:
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set JAVA_HOME=c:\jdk1.3.1
set ANT_HOME=c:\ant
set PATH=%PATH%;%JAVA_HOME%\bin
When I try the command j2ee -verbose, it gives an error <bad command
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Sakina

Yes, When I run path
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JSP 2.0 support in JDeveloper?

Hi,
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http://otn.oracle.com/sample_code/tech/java/codesnippet/jsps/simpletag/how-to-simpletaghandler.html#run
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JDeveloper 10g (9.0.5) supports J2EE 1.3 - so no JSP 2.0 support yet.
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Nested Transaction and J2EE

Hi,
I have a question about how J2EE Application server (WAS4.x/5.x) follows the spec for Nested transaction. In a J2EE tutorial at one place it says
http://java.sun.com/j2ee/tutorial/1_3-fcs/doc/Transaction4.html
following :
A JTA transaction is controlled by the J2EE transaction manager. You may want to use a JTA transaction because it can span updates to multiple databases from different vendors. A particular DBMS's transaction manager may not work with heterogeneous databases. However, the J2EE transaction manager does have one limitation--it does not support nested transactions. In other words, it cannot start a transaction for an instance until the previous transaction has ended.
It means I cannot start another transaction while the first one is not completed.
CASE 1:
My statefull session bean has method a() and method b().
Method a() calls Method b().
I have started userTransaction in Method a() and before commiting
it I have started another transaction in method b(). like
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Statrs TX
calls b()
Commits TX
Method b() {
Starts TX
Commits TX
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Where, method b() is invoked by method a() in a statefull session
bean.
Thanks in advance.

I had i similar problem and solved it in th following way.
My first attempt was to call an atomic method which has the transaction attribute "RequiresNew" from a complex method with the transaction attribute "Required". Both methods where located in the same Session EJB class. If the code inside the atomic method fails by an exception, the exception will be catched and ctx.setRollbackOnly( ) be called in the catch block. This does NOT work! So I start reading a lot in the net and in books. I foud that J2EE does not support nested transactions. So that was a shoot in my foot! :-(
Frustated I went home from work and in the evening I remember some words from Adam Bien, the author of J2EE Patterns. He said that you can build something like nested transactions if you use an additional EJB layer. He said that in the context of a SessionFacade and a set of EntityBeans. But he also said that this will also work with layers of SessionBeans.
At the next day, I build the addional Session EJB and moved all atomic methods in that Session EJB. So the situation is now like this. My ComplexEJB holds method which define a more complex business process. Each of this processes call a lot of atomic methods from the Atomic EJB. In my case it�s not neccesary that all of this atomic methods have to succeed. OK, the methods with transaction attribute "Required" will proceed as much atomic methods with transaction attribute "RequiresNew" as possible! But if a "hard" Exception occurs the whole transaction is rolled back.
This works very good for our needs!
public class ComplexEJB implements SessionBean
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                    service.atomicMethod1( param.getSubparamN( ) );
                    service.atomicMethod1( param.getSubparam1( ) );
                      catch( "hard" exception like Nullpointer i.e. )
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                   ctx.setRollbackOnly( );
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     try
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                service.atomicMethod1( param.getSubparam1( ) );
                     catch( "" hard exception like Nullpointer i.e. )
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public class AtomicEJB implements SessionBean
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            try
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     finally
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            try
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     catch ( DatabseException cbex )
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Can i run J2EE on windows 98 platform?

Hi all,
this is a question i want to ask all of your help. Cos i couldnt run J2EE on windows 98 platform. Is it because J2EE does not support Windows 98? Is there a way to run them on windows 98? If yes, could anyone pls tell mi how to run it. Thanks

The J2EE Version 1.3.1 batch files need to be tweaked to run on Windows 98 and Windows Me. They're included with J2EETools plus a lot more. See
http://groups.msn.com/J2EETools

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