JSF EJB project in JDeveloper

Hi All,
I am creating a JSF EJB based web application in Jdeveloper11g. I have a Session EJB, which is exposes a remote interface as below:
package ejbmodel;
import domain.TableBean;
import java.util.List;
import javax.ejb.Remote;
@Remote
public interface MetadataSession {
public List<TableBean> getTables();
TableBean code is as follows
package domain;
import java.io.Serializable;
public class TableBean implements Serializable{
private String name;
public TableBean(String name){
this.name=name;
public void setName(String name) {
this.name = name;
public String getName() {
return name;
I create a data control for the session EJB and try displaying the List<TableBean> in JSF component selectOneListbox, but is faced with the following error
<27/08/2010 3:55:01 PM EST> <Error> <HTTP> <BEA-101020> <[ServletContext@28641457[app:DataCatalogEJBApp module:DataCatalogEJBApp-UserInterface-context-root path:/DataCatalogEJBApp-UserInterface-context-root spec-version:2.5]] Servlet failed with Exception
oracle.jbo.domain.DataCreationException: JBO-25009: Cannot create an object of type:oracle.jbo.RowIterator from type:java.lang.String with value:AV_LOI
     at oracle.jbo.domain.TypeFactory.get(TypeFactory.java:866)
     at oracle.jbo.domain.TypeFactory.getInstance(TypeFactory.java:102)
     at oracle.jbo.uicli.binding.JUCtrlListBinding.matchTargetWithLov(JUCtrlListBinding.java:1824)
     at oracle.jbo.uicli.binding.JUCtrlListBinding.findListIndexInternal(JUCtrlListBinding.java:2156)
     at oracle.jbo.uicli.binding.JUCtrlListBinding.findListIndex(JUCtrlListBinding.java:1913)
     Truncated. see log file for complete stacktrace
>
<27/08/2010 3:55:01 PM EST> <Notice> <Diagnostics> <BEA-320068> <Watch 'UncheckedException' with severity 'Notice' on server 'DefaultServer' has triggered at 27/08/2010 3:55:01 PM EST. Notification details:
WatchRuleType: Log
WatchRule: (SEVERITY = 'Error') AND ((MSGID = 'BEA-101020') OR (MSGID = 'BEA-101017') OR (MSGID = 'BEA-000802'))
WatchData: DATE = 27/08/2010 3:55:01 PM EST SERVER = DefaultServer MESSAGE = [ServletContext@28641457[app:DataCatalogEJBApp module:DataCatalogEJBApp-UserInterface-context-root path:/DataCatalogEJBApp-UserInterface-context-root spec-version:2.5]] Servlet failed with Exception
oracle.jbo.domain.DataCreationException: JBO-25009: Cannot create an object of type:oracle.jbo.RowIterator from type:java.lang.String with value:AV_LOI
It is trying to create a RowIterator from String. But I just want to display the returned List of TableBean objects to the JSF page. Please suggest
Thanks

Hi,
for resource injection you need JDeveloper 11. Here the EJB annotation works to inject the resource. If you want to do similar in 10.1.3 then you need to do a JNI lookup in the managed bean (under the shelves ADF does the same)
Frank

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"http://www.w3.org/TR/html4/loose.dtd">
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4. Repeat the previous step for failed, by dragging and arrow from adduser.jsp to failed.jsp renaming the label to f
ailed
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<?xml version='1.0' encoding='UTF-8'?>
<faces-config>
<managed-bean>
<managed-bean-name>user</managed-bean-name>
<managed-bean-class>lux.controllers.UserController</managed-bean-class>
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------------------------------------------------------- SCENARIO END
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appreciate if anybody can throw some light on this.

JDeveloper 11.1.2.3 hangs when opening project from JDeveloper 11.1.1.6

Hello! I have a problem here which I can't solve. I also asked this question here: http://stackoverflow.com/questions/14365031/jdeveloper-11-1-2-3-hangs-when-opening-project-from-jdeveloper-11-1-1-6/14369211#14369211 . The whole story in short. I have a JavaEE client-server project in JDeveloper 11.1.1.6, where it works like a charm. Recently I had to upgrade JDeveloper version to the latest 11.1.2.3. The first problem was that the standard procedure of migrating project from the older version of JDeveloper to the newer one did not help: IDE was hanging forever all the time with no apparent (for me) reason, log file was silent about that. Then I tried another way: I just created the same project from the beginning and put there all necessary source files, libraries, set project properties etc. Still nothing, but now found the way to obtain a kind of error at least. I ran C:\Oracle\Middleware\jdeveloper\jdev\bin\jdev.exe from the command line and got the following (e.g. when I started running debug):
Jan 16, 2013 8:52:09 PM oracle.ideimpl.runner.StarterFactoryDescriptionImpl logError
SEVERE: Incorrect hash-structure value in starter-factory definition
Jan 16, 2013 8:52:10 PM oracle.ideimpl.runner.StarterFactoryDescriptionImpl logError
SEVERE: Incorrect hash-structure value in starter-factory definition
But I don't know what could be the next step... Could anyone help me? Thanks in advance for your attention!
Edited by: user12144197 on 22.01.2013 0:42

Hi,
not sure if you have a support contract or work for Oracle. In both cases the best option is to file a bug (service request)
Frank

How to call external jar files in EJB project for CE

Hi,
I would be thankful if someone could help me with this -
I need to call the external jar files into my EJB project - Here is what I have done and am getting runtime exception as -
java.lang.RuntimeException: java.lang.NoClassDefFoundError: com/glance/pdf/pt/PTDoc
1. Created a EJB project" HelloWorld " using Java perspective in NWDS 7.1 called with client as HelloWorldClient and EAR project as HelloWorldEAR.
2. Am working on HelloWorld project (1st one).
3. In my code I am instantiating a class which is a class in one of the external jar file that I need to refer in my project.
4. I have set the Java Build path but it works only for the compile time and fails during runtime.
5. Have read I need to create external library DC and refer in my project "HelloWorld".
Can anyone help me with exact steps what needs to be done - during creation of external library project and then for my "HelloWorld" EJB project. How would I be able to reference or set the external library project in my EJB project?
Looking forward to hear from experts.
Thanks,
Shiv
Edited by: Shiv Khullar on Aug 30, 2010 9:39 PM

Hi Edson,
I tried it , but it still gives me runtime exception.
javax.ejb.EJBException: nested exception is: java.lang.RuntimeException: java.lang.NoClassDefFoundError: com/glance/pdf/pt/PTDoc
java.lang.RuntimeException: java.lang.NoClassDefFoundError: com/glance/pdf/pt/PTDoc
Steps I performed are -
1. Created a library project and created 2 Public parts "Compilation" and "Assembly"
2. Build the library project.
Now in my EJB project using Project Explorer - set the classpath and added both compilation jar and assembly jar files.
This is how the classpath entries for external library looks like -
<classpathentry kind="lib" path="/LocalDevelopmentLocalDevelopmentexternallibrarypdftoolsforwatermarkingdemo.sap.com/gen/default/public/WatermarkAssembly/lib/java/demo.sap.comexternallibrarypdftoolsforwatermarking~WatermarkAssembly.jar"/>
<classpathentry kind="lib" path="/LocalDevelopmentLocalDevelopmentexternallibrarypdftoolsforwatermarkingdemo.sap.com/gen/default/public/WatermarkCompilation/lib/java/demo.sap.comexternallibrarypdftoolsforwatermarking~WatermarkCompilation.jar"/>
I have also added the jar files I used in my external library project as "User Library" from Java Build Path . I dont do it , then the code fails during compilation itself.
Regards,
Shiv

Adapter module:: JAR file in the build path of EJB project

Hi Experts,
I have created one adapter module, for this I have created one EJB project and also associated one EAR project to that.
I have completed my coding and changes in the xml files.
I have followed this -
http://www.sdn.sap.com/irj/scn/index;jsessionid=(J2EE3417500)ID1494558950DB01504425675464955468End?rid=/library/uuid/c0b39e65-981e-2b10-1c9c-fc3f8e6747fa&overridelayout=true
while creating the module.
but after finishing this , I can not see the ejb.jar file corresponding to the ejb project, I can see the class file generated in the build path.
but I can not see the ejb.jar in the EJB project after build.
When I checked the EAR project I found under Deployment descriptor there is a folder called module and there is a jar file named as -
EJB<my ejb project name>.jar
when I am about to deploy this EAR in the server it is showing me to choose the file from EAR project and this EAR project contain the EJB Project .
Request you to please let me know is everything ok with my project ? or please let me know how can I see the ejb.jar file corresponding to the ejb project below the build path.
Thanks
Vinny

Hi Experts,
I have created one adapter module, for this I have created one EJB project and also associated one EAR project to that.
I have completed my coding and changes in the xml files.
I have followed this -
http://www.sdn.sap.com/irj/scn/index;jsessionid=(J2EE3417500)ID1494558950DB01504425675464955468End?rid=/library/uuid/c0b39e65-981e-2b10-1c9c-fc3f8e6747fa&overridelayout=true
while creating the module.
but after finishing this , I can not see the ejb.jar file corresponding to the ejb project, I can see the class file generated in the build path.
but I can not see the ejb.jar in the EJB project after build.
When I checked the EAR project I found under Deployment descriptor there is a folder called module and there is a jar file named as -
EJB<my ejb project name>.jar
when I am about to deploy this EAR in the server it is showing me to choose the file from EAR project and this EAR project contain the EJB Project .
Request you to please let me know is everything ok with my project ? or please let me know how can I see the ejb.jar file corresponding to the ejb project below the build path.
Thanks
Vinny

Ejb project

Hi,
i am doin java client proxy in XI.i ve imported the beans generated from XI into an EJB project in NDS and have changed the ejb-jar.xml accordingly.However the "BUILD EJB ARCHIVE" option is not enabled.Can anyone help?
Regards,
Divya

HI
GOOD
GO THROUGH THESE LINKS
http://help.sap.com/saphelp_nw04/helpdata/en/86/58cd3b11571962e10000000a11402f/content.htm
http://www.sapgenie.com/xi/
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/f272165e-0401-0010-b4a1-e7eb8903501d
THANKS
MRUTYUN

EJB project IDE build dos not include properties files

We have property files also which we want included as part of the build process
for EJB projects but if we use the IDE build it does not include them. We have
to therefore export the IDE build and customize it to include *.properties like
this
<zip basedir="${dest.path}" zipfile="${ejb.outputJar}" encoding="UTF8">  <zipfileset dir="${project.local.directory}" includes="*.properties"
/> </zip>
which causes a problem for us because the exported build file is specific to a
user's local PC and cannot be used in a team environment.
How can we have the IDE build include all the files within an EJB project i.e.
include properties files also.

Hey Jamie,
Currently there is no support to include other .properties files into
the internal build. There's a build.properties that you get as part of
an EJB project which you could place your values into and use that as
your template for your team based development and check that into your
source control.
If you'd really like to get gross and hack Workshop a little bit you
could modify the default EJB project template to use your .properties
file for every EJB project you create. This would then splat a copy of
your .properties file into the root of the EJB project.
To do that you'd go to {your BEAHOME}\workshop\templates and crack open
the ejb-project.zip template zip file and merge your settings into the
existing build.properties file. This has the same
effect as replacing the .properties file after you've created your
project only it keeps you from having to perform that step each time.
The downside of this is that each person on your team would then have to
update that template zip file in their workshop installation. (I'd make
sure to backup the original template file before performing this
activity so you can always go back to the original template).
Hope this helps,
-Michael
Jamie wrote:
We have property files also which we want included as part of the build process
for EJB projects but if we use the IDE build it does not include them. We have
to therefore export the IDE build and customize it to include *.properties like
this
<zip basedir="${dest.path}" zipfile="${ejb.outputJar}" encoding="UTF8">  <zipfileset dir="${project.local.directory}" includes="*.properties"
/> </zip>
which causes a problem for us because the exported build file is specific to a
user's local PC and cannot be used in a team environment.
How can we have the IDE build include all the files within an EJB project i.e.
include properties files also.

Unable to build EJB project.

Hi All,
I am new to CE and trying to crete an EJB project. I am following the below tutorial.
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/b030e7fb-2662-2b10-0dab-c4aa52c3550b?quicklink=index&overridelayout=true
I have configured the data source, created the EJB module, created the Entity Bean & session bean. While trying to build the project, I am getting an error "Unable to provide dictionary objects. Please check if the connected project is sttll valid."
Please help me resolving the issue.
Regards,
Bhavya.

Hi Divya,
Follow the above steps in the following link how to use external library in DC's
/people/bertram.ganz/blog/2008/11/24/how-to-use-external-jar-files-in-web-dynpro-development-components
1)Expose the JAR file in two separate public parts, one with purpose assembly (1) and another one with purpose compilation (2).
2)Use the public part with purpose compilation in the Web Dynpro "client" development component
Let me know if you are still facing the problem.
Hope this helps you...
Regards,
Saleem
Edited by: Saleem Baig Mohammed on Jun 2, 2009 2:35 PM

Configuring Log4j for a EJB Project.

Hi,
I have a weblogic EJB project as a Ear file. The project has no web components (so war file). I want to know which is the ideal way to initialize log4j in this situation.
I can use listener class thro' weblogic-application.xml. But there is no neat way to passing the log4j.xml thro' parameter from weblogic-applicaiton.xml file.
If we are using servlet we could use init-parm to passing xml file. I don't want to hard code the xml file location in the listener class.
What is the best practice to initialize log4j for a EJB project?
Thanks in advance.
Anand

Dan,
I had a similar problem because I wanted to define my own log4j config regardless of what other portal apps were deployed in the BEA domain or what log4j was the default for the domain. This is what I do:
1) Put your log4j config file in the WEB-INF classes dir (or I guess it could be in some other place that the CLASSPATH knows of)
2) Create a servlet that looks like:
import javax.servlet.*;
import javax.servlet.http.*;
import org.apache.log4j.xml.*;
public class Log4jInitServlet extends HttpServlet {
private static final long serialVersionUID = 23456;
public void init(ServletConfig config) throws ServletException {
super.init(config);
DOMConfigurator.configure(Thread.currentThread().getContextClassLoader().getResource("myLog4jConfigFile.xml"));
public void doGet(HttpServletRequest req, HttpServletResponse resp) {
3) Add the servlet definition in the web.xml and add a <load-on-startup>1</load-on-startup>
That should do it.
- Peter

JSF EJB project in JDeveloper

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