New EJB 2.0 Persistence Engine Supports WLS 6.1

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supports both EJB 1.1 and EJB 2.0.
FrontierSuite's CMP can be plugged to industry leading EJB 2.0 compliant
Application Servers and improve performance by up to 5000%. New features
include EJB 2.0 CMP support for WebLogic 6.1 application server, support for
additional databases and much more .....;
More information can be found on the web site at
http://www.objectfrontier.com/index.html
Some of the highlights of FrontierSuite are:
- Easily build new Java/J2EE applications, Reverse Engineer or incorporate
our state of the art persistence engine to your existing applications.
- Full Support for EJB 2.0 (PDF2).
- BMP/CMP O-R Mapping.
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Servers.
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Shirish Shetty

I'm sending the stack trace error on WLPI side.
Is important to say that the functionality on Webservice is done correctly, When
Webservice ends and sends SOAP message to WLPI this error comes up.
Thanks&Regards
"Mauricio Del Moral" <[email protected]> wrote:
>
Hi,
I hope somebody can help me with this, very urgent!
We implement a Workflow using WLI 2.0, on this process we need to call
a WebService
message style on WLs6.1 hosted by another Company.
After searching for something we found a plug-in to use with Weblogic
process
integrator but this is just for a RPC-style webservice, can anyone have
solved
something like that.
Could I implement an EJB on the process side that call the webservice
without
compatibility problems.
Thanks&Regards.
Mauricio Del Moral
[WLI&WS.txt]

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No ejb-j2ee-engine.xml after new EJB module project

Hi! Can someone please help. Newbie here
I installed SDK 1.4.2_13
I installed Netweaver Developer Studio 7.0.09
When I create a new ejb module project I only see the files
ejb-jar.xml
ejbmodule
I miss the file ejb-j2ee-engine.xml
How is this possible?

I solved the problem by uninstalling SAP Netweaver Developer Studio version 7.0.09 and install version 7.0.08
However, It's still strange why there was no ejb-j2ee-engine.xml when there was created a new EJB project module.

Update form another EJB with DAO persistence

We have two modules with EJB Session, stateless, with CMT requeried in all methods, the first module has the persistence tier wiht DAOs pattern and the other module uses TopLink. We are using JSF as framework in the presentation layer, when we are going to update the database from web form a backing bean JSFcalls the first EJB (DAOs persistence) and this EJB invokes the other EJB (Toplink persistence). and throws the next exception
05/10/31 17:12:12 java.lang.NullPointerException
05/10/31 17:12:12      at oracle.toplink.internal.indirection.UnitOfWorkValueHolder.getValueFromServerObject(UnitOfWorkValueHolder.java:105)
05/10/31 17:12:12      at oracle.toplink.internal.indirection.UnitOfWorkValueHolder.instantiate(UnitOfWorkValueHolder.java:144)
05/10/31 17:12:12      at oracle.toplink.internal.indirection.DatabaseValueHolder.getValue(DatabaseValueHolder.java:64)
05/10/31 17:12:12      at oracle.toplink.internal.indirection.BasicIndirectionPolicy.cloneAttribute(BasicIndirectionPolicy.java:88)
05/10/31 17:12:12      at oracle.toplink.mappings.ForeignReferenceMapping.buildClone(ForeignReferenceMapping.java)
05/10/31 17:12:12      at oracle.toplink.internal.descriptors.ObjectBuilder.populateAttributesForClone(ObjectBuilder.java:1492)
05/10/31 17:12:12      at oracle.toplink.publicinterface.UnitOfWork.cloneAndRegisterNewObject(UnitOfWork.java:601)
05/10/31 17:12:12      at oracle.toplink.publicinterface.UnitOfWork.internalRegisterObject(UnitOfWork.java:2294)
05/10/31 17:12:12      at oracle.toplink.internal.sessions.MergeManager.registerObjectForMergeCloneIntoWorkingCopy(MergeManager.java:688)
05/10/31 17:12:12      at oracle.toplink.internal.sessions.MergeManager.mergeChangesOfCloneIntoWorkingCopy(MergeManager.java:397)
05/10/31 17:12:12      at oracle.toplink.internal.sessions.MergeManager.mergeChanges(MergeManager.java:181)
05/10/31 17:12:12      at oracle.toplink.publicinterface.UnitOfWork.mergeClone(UnitOfWork.java:2634)
05/10/31 17:12:12      at oracle.toplink.publicinterface.UnitOfWork.deepMergeClone(UnitOfWork.java:1231)
05/10/31 17:12:12      at siscoi.declaracionescambio.business.DeclaracionesCambioMngr.grabarDeclaracionCambio(DeclaracionesCambioMngr.java:222)
when the objects are new the TopLink framework works good, but when the object already exist in the DB, does not make the update an thorw the null pointer exception why?.
We implements a Client Class to only test the EJB with Toplink persistence. In this class read a object from de database and i modify the object and calls the update method and the update works good.
Container oc4j 10.1.2
Toplink 9.0.4
jdk 1.4.2.04
please help me!!

It looks like the issue is occurring because the object that you are merging is a new object, or TopLink thinks it is a new object and it is being registered as a new object. The new object has a non-instantiated value-holder that seems to have been serialized so can no longer be instantiated, but the relationship is required to persist the new object.
My guess is that the object is not new, but existing, and the issue is most likely with your does-exist-check option. The original object may no longer be in the cache, so you most likely need to use check-database for your descriptor's does-exist option, instead of the default of check-cache.

What does the RunTime engine support?

Hello,
Does anyone know what functions the RunTime engine supports? Or is there a
NI link I can follow. Some goodies like the VI server don't seem to be
supported in RTE 5.1.
6i any different?
Thanks
Martin

I know about the paths, but I had problems with getting the username with
the Open application reference, an error came up 'function not supported'
and a pointer to the VI that caused it.
It's my mistake to say the VI server was not included. But are the
Application properties (web etc) included ?
Thanks
Martin
"Dennis Knutson" wrote in message
news:[email protected]..
>
> I use VI server with the run time engine all the time. When you build an
app,
> you have to specify which vi's are called dynamically so that they are
included.
> Paths parse out a little differently too when you've got a built app.
Sometimes,
> all it takes is an extra Strip Path.
>
> "Martin E" wrote:
> >Hello,>>Does
anyone know what functions the RunTime engine supports? Or
> is there a>NI link I can follow. Some goodies like the VI server don't
> seem to be>supported in RTE 5.1.>6i any different?>>>Thanks>Martin>>

Weblogic-ejb-jar.xml ---- persistence-type

Hi all,
How does wls6.1determine the "type-identifier" (weblogic-ejb-jar.xml) of a
JDBC-Datastore? Which method will be called to get that information? My
vendor does not provide the correct type-identifier!!
I can´t believe that this is all about the weblogic-ejb-jar.xml --
type-identifier I found at
http://e-docs.bea.com/wls/docs61/////ejb/reference.html#1071588.
It writes:
"..if you use a different persistence vendor, consult the vendor's
documentation for information on the correct type-identifier."
Part of a weblogic-ejb-jar.xml:
<persistence-type>
<type-identifier>JDataStore</type-identifier>
<type-version>3.0</type-version>
<type-storage>meta-inf/weblogic-cmp-rdbms-jar.xml</type-storage>
</persistence-type>
Thanks!!!
Thomas

thanks a lot!!
Rob Woollen <[email protected]> wrote:
The 7.0 DTD is not entirely upward compatible from the 6.x DTD. There
is a DDConverter tool which will convert 6.x DTDs to 7.0.
In this case, they were trying to make your life simpler by no longer
making there be so many entries just to use WebLogic's CMP implementation.
-- Rob
dayFly wrote:
thanks for your help
I have replaced the dtd with 6.0's
that is to say the 7.0 dtd is not compatible with 6.0 dtd?
I am a rookie
Rob Woollen <[email protected]> wrote:
The error message is a bit confusing. It means that persistence-type
is
not an element in the DTD.
In other words, your descriptor does not conform to the 7.0 DTD that
you
reference.
-- Rob
dayFly wrote:
when execute java weblogic.ejbc,The console show the wrong messages:
ERROR: Error from ejbc: Error parsing 'META-INF/weblogic-ejb-jar.xml'
line 12:Element type "persistence-type" must be declared
but in my weblogic-ejb-jar.xml,persistence-type had been declared.
weblogic-ejb-jar:
<?xml version="1.0"?>
"-//BEA Systems, Inc.//DTD WebLogic 7.0.0 EJB//EN"
"http://www.bea.com/servers/wls700/dtd/weblogic-ejb-jar.dtd">
<weblogic-ejb-jar>
<weblogic-enterprise-bean>
<ejb-name>StudentEJB</ejb-name>
<entity-descriptor>
<persistence>
<persistence-type>
<type-identifier>WebLogic_CMP_RDBMS</type-identifier>
<type-version>7.0</type-version>
<type-storage>META-INF/weblogic-cmp-rdbms.xml</type-storage>
</persistence-type>
<persistence-use>
<type-identifier>WebLogic_CMP_RDBMS</type-identifier>
<type-version>7.0</type-version>
</persistence-use>
</persistence>
</entity-descriptor>
<jndi-name>StudentEJB</jndi-name>
</weblogic-enterprise-bean>
</weblogic-ejb-jar>
waiting for your help,thanks

Error configuring new EJB

I am trying to install a new EJB named SecurityUtil. I'm using WL 6.1,
SP2 on a Win2k machine. The EJB jar is in the list of application
files currently installed on the admin console. I think I
'auto-deployed' it by copying the .jar to the /applications directory
of my server. The server and domain that I'm trying to install this
EJB into is up and running fine, because we're running our current
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see if we want to use EJBs now.)
<P>
When I try to configure a new EJB and click the Create button, I get
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have noticed the following tag in the config.xml file, I'm assuming it
was written there when the EJB jar file was auto-deployed :
<P>
<Application Deployed="false" Name="SecurityUtil"
Path=".\config\vwdomain\applications\SecurityUtil.jar"/>

It looks like something has gone wrong. I'd suggest deleting that
<Application> entry from your config.xml and try again.
You can basically deploy in a few different ways in WLS:
1) copy the jar/war/ear file to the applications directory
or
2) deploy through weblogic.deploy or weblogic.Deployer(7.0)
or
3) deploy through the console
-- Rob
briforge wrote:
I am trying to install a new EJB named SecurityUtil. I'm using WL 6.1,
SP2 on a Win2k machine. The EJB jar is in the list of application
files currently installed on the admin console. I think I
'auto-deployed' it by copying the .jar to the /applications directory
of my server. The server and domain that I'm trying to install this
EJB into is up and running fine, because we're running our current
application there just fine. (our application uses a different
framework than EJBs, with JSPs, Servlets, and JDBC, and I'm trying to
see if we want to use EJBs now.)
<P>
When I try to configure a new EJB and click the Create button, I get
no response at all. No message, no error, nothing, even after waiting
several minutes. When I hit the Create button a 2nd time, I get a
stack trace for javax.management.InstanceAlreadyExistsException. I
have noticed the following tag in the config.xml file, I'm assuming it
was written there when the EJB jar file was auto-deployed :
<P>
<Application Deployed="false" Name="SecurityUtil"
Path=".\config\vwdomain\applications\SecurityUtil.jar"/>

How can I create a new EJB project ?

Hi,
I downloaded the trial version and I don't know how to create an EJB project ?
When I create a new project, I've only the web template to choose.
Where can I find informations about that ?
Thanks.
jack

Hi Jack,
This version of the Creator allows you to build applications which access existing EJB's, but doesn't create new EJB's from scratch. We are looking into that for future releases.
If you want to access an existing EJB, please see the tutorials:
http://devservices.sun.com/premium/jscreator/standard/learning/tutorials/sessionEJBcomps.pdf
I believe the Sun Java Studio Standard product can help you create EJB's today, if that's what you need:
http://developers.sun.com/prodtech/javatools/jsstandard/index.html
hth,
Val

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New EJB 2.0 Persistence Engine Supports WLS 6.1

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