Business Components Diagram in Jdev 10.1.2

Hi,
I have migrated code from Jdev 9.0.4 to Jdev 10.1.2,
While doing reverse engineering (Generating BC Diagram) I am getting following error, Can anybody help me in understanding this.
Message
BME-99003: An error occurred, so processing could not continue.
Cause
The application has tried to de-reference an invalid pointer. This exception should have been dealt with programmatically. The current activity may fail and the system may have been left in an unstable state. The following is a stack trace.
java.lang.NullPointerException
     at oracle.bm.diagrammer.registry.RBaseShape.setDefaultCore(RBaseShape.java:379)
     at oracle.bm.diagrammer.shape.BaseDiagramShape.initProperties(BaseDiagramShape.java:505)
     at oracle.bm.diagrammer.shape.BaseDiagramShape.initShape(BaseDiagramShape.java:383)
     at oracle.bm.diagrammer.shape.BaseDiagramNode.initShape(BaseDiagramNode.java:318)
     at oracle.bm.diagrammer.BaseDiagram.addShape(BaseDiagram.java:5120)
     at oracle.bm.diagrammer.BaseDiagram.addShape(BaseDiagram.java:5051)
     at oracle.bm.diagrammer.BaseDiagram.createShapesFromInfo(BaseDiagram.java:4121)
     at oracle.bm.diagrammer.registry.RCompositeDiagram.dropList(RCompositeDiagram.java:1224)
     at oracle.bm.addinUtil.IDEAppContext$14.run(IDEAppContext.java:4304)
     at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:171)
     at oracle.ide.controls.progress.AbstractProgressDialog.dispatchThisEvent(AbstractProgressDialog.java:535)
     at oracle.ide.controls.progress.AbstractProgressDialog.showDialog(AbstractProgressDialog.java:387)
     at oracle.bm.addinUtil.IDEAppContext.dropNavigatorNodeLater(IDEAppContext.java:4401)
     at oracle.bm.addinUtil.IDEAppContext$12.run(IDEAppContext.java:4030)
     at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)
     at java.awt.EventQueue.dispatchEvent(EventQueue.java:454)
     at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
     at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)
Action
If further errors occur, you should restart the application.
Also, report the problem on the JDeveloper forum on otn.oracle.com, or contact Oracle support, giving the information from this message.
Thanks,

Does modifying the
Connection Retry Setting connect the debugger.
http://download-east.oracle.com/otn_hosted_doc/jdeveloper/904preview/compiling_debugging/f1_deb_projset_debugwin.html

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Jacques,
In JDeveloper 10.1.2, you will need to generate tables from your Entity Objects to the database first and then either drag and drop the tables from the Connections Navigator to the diagram, or import them to the Offline Database, and then drag them to the diagram from the Applications Navigator.
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BUG 10.1.3 EA -- BME-99003 in Business Components Diagram with imported EOs

Following a hands-on exercise in the Oracle JDeveloper 10g Handbook (pages 343 - 345):
-- Create new application workspace, say HRApp, using default Web Application Template.
-- Edit Model project properties to create new library with classpath that points to business domain objects in a project folder from a different workspace.
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Message
BME-99003: An error occurred, so processing could not continue.
Cause
The application has tried to de-reference an invalid pointer. This exception should have been dealt with programmatically. The current activity may fail and the system may have been left in an unstable state. The following is a stack trace.
java.lang.NullPointerException
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     at oracle.bm.addinUtil.IDEAppContext$4.performAction(Unknown Source)
     at oracle.bm.diagrammer.LockMonitor.performLockedAction(Unknown Source)
     at oracle.bm.diagrammer.BaseDiagram.performDiagramLockedAction(Unknown Source)
     at oracle.bm.addinUtil.IDEAppContext.dropNavigatorNodeLater(Unknown Source)
     at oracle.bm.addinUtil.IDEAppContext$5.run(Unknown Source)
     at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
     at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
     at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
     at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
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If further errors occur, you should restart the application.
Also, report the problem on the JDeveloper forum on otn.oracle.com, or contact Oracle support, giving the information from this message.
________________________________________________________________________________

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Hi,
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null

Howard,
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The following steps might help you out:
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Please let us know if you have any questions.
Howard (guest) wrote:
: I have two JDeveloper 3.0 projects: a "server" project
: containing business components generated from my Oracle8i
schema
: using the wizards, and a "client" project containing an
Infobus
: application that uses the business components. I have
: successfully deployed these locally and have now tried to
deploy
: the "server" application module as a CORBA object in my
Oracle8i
: schema (I have successfully deployed and used the "HelloCORBA"
: tutorial CORBA object).
: When I test my deployment using the Business Component Tester,
: however, I get the following messages:-
: javax.naming.NameNotFoundException
: Nothing bound for specified name.
: Has anyone any idea what I might be doing wrong? I haven't.
: Howard
null

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I'm using JDev 11g TP2
When I set up package preferences for business components, it is completely ignoring the package I setup for the Entity object.
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From the menu Tools>Preferences
Under the section Business Components>Packages.
I set the following:
Business Component: left blank - it uses the default [prefix].model
Entity: entity
Association: entity.association
View Object: view
View Link: view.links
the rest have been left at default settings.
Then I create a new diagram so I can add existing database tables to the application. I drag and drop the selected tables from the application resources to the diagram. It creates the entity objects in the [prefix].model package, not the [prefix].model.entity package like I was expecting. However the associations get created correctly in the [prefix].model.entity.association package.
Is this possibly a bug, or just a training issue for me?
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Can not see the menu of New Business Components Package in jdeveloper

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========================================
In the JDeveloper Navigator, select the OA Project where you want to create your package.
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=====================================
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OEPE can create pages with drag and drop like in JDev. In my eclipse ADF projects, I would like to use the existing BC, to be able to use the bindings with ADF Faces. So far I have nothing in the Data Controls tab.
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WLS 10.3.6
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NO Links or Associations created with the "Business Components From Tables"

Hello,
I have a strange problem. I'm working on a Fusion Web Applicaiton. In the Model project, I try to create some Business Components from Tables with the help of the provided wizard.
I select one of my IDE Connections, and I choose two of my tables as Entity Objects (*PATIENTS* and COUNTRIES - more details about them bellow), and also as Updatable View Objects. For Read-Only View Objects I select some other tables, afterwards I choose to create a default Application Module, and I press Finish without creating a Business Diagram. Everything works perfectly except of the fact that the wizzard has created everything but the Links and the Associations between my tables.
To be more precise, COUNTRIES is a simple table, only two columns - ID and NAME, and PATIENTS has some columns like ID, NAME, ADDRESS, DATE_OF_ADMISSION, COUNTRY_ID, where COUNTRY_ID is a foreign key to the COUNTRIES table. Both columns, PATIENTS.COUNTRY_ID and COUNTRIES.ID are NUMBERs. I was expectig the wizard to create a Link and a Association for this foreign key constraint I have between this two tables.
On the other hand, following one of the tutorials I've found, *"Developing RIA Web Applications with Oracle ADF"*, I've noticed that when I was creating Business Components from Tables based on the HR schema, all the Links and Associations were created as they were expected. I've also tried to create the same Business Components from Tables in my own project, and all the Links and Associations were in place. Somehow, it's not working for my particular schema (the one that contains PATIENTS and COUNTRIES).
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Please help!
Bogdan.
PS: I am using Oracle JDeveloper Studio Edition Version 11.1.1.1.0, Oracle SQL Developer Version 1.5.5, and Oracle 10g Express Edition installed on localhost.

Hello John,
Of course I can post the scripts.
The schema name is "TEST". But you should know that there are some extra columns in the PATIENTS table, I've not mentioned before. As you can tell from the scripts bellow, the PATIENTS table has the following columns: ID (number), NAME (varchar2), COUNTRY (number), GENDER (number), ADMISSIONDATE (date), DIAGNOSTIC (number), FIRSTNAME (varchar2), SALARY (number). There are actually 3 FK constraints, I've only mentioned one for the simplifying the example. The first FK constraint is towards COUNTRIES, the second one is towards GENDERS, and the final one is towards DIAGNOSTICS. All this 3 tables have only two columns (ID as number, and GENDER as varchar2). I will post the scripts for all.
Here is the output of the Export DDL to Clipboard from SQL Developer for the COUNTRIES table:
CREATE TABLE "TEST"."COUNTRIES"
(     "ID" NUMBER NOT NULL ENABLE,
     "NAME" VARCHAR2(1000 BYTE) NOT NULL ENABLE,
     CONSTRAINT "COUNTRIES_UK1" UNIQUE ("NAME")
USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ENABLE,
     CONSTRAINT "COUNTRIES_PK" PRIMARY KEY ("ID")
USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ENABLE
) PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ;
CREATE UNIQUE INDEX "TEST"."COUNTRIES_PK" ON "TEST"."COUNTRIES" ("ID")
PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ;
CREATE UNIQUE INDEX "TEST"."COUNTRIES_UK1" ON "TEST"."COUNTRIES" ("NAME")
PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ;
CREATE OR REPLACE TRIGGER "TEST"."COUNTRIES_TRG"
BEFORE INSERT ON COUNTRIES
FOR EACH ROW
BEGIN
SELECT COUNTRIES_SEQ.NEXTVAL INTO :NEW.ID FROM DUAL;
END;
ALTER TRIGGER "TEST"."COUNTRIES_TRG" ENABLE;
Here is the same output for the GENDERS table:
CREATE TABLE "TEST"."GENDERS"
(     "ID" NUMBER NOT NULL ENABLE,
     "NAME" VARCHAR2(50 BYTE) NOT NULL ENABLE,
     CONSTRAINT "GENDERS_PK" PRIMARY KEY ("ID")
USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ENABLE,
     CONSTRAINT "GENDERS_UK1" UNIQUE ("NAME")
USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ENABLE
) PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ;
CREATE UNIQUE INDEX "TEST"."GENDERS_PK" ON "TEST"."GENDERS" ("ID")
PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ;
CREATE UNIQUE INDEX "TEST"."GENDERS_UK1" ON "TEST"."GENDERS" ("NAME")
PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ;
CREATE OR REPLACE TRIGGER "TEST"."GENDERS_TRG"
BEFORE INSERT ON GENDERS
FOR EACH ROW
BEGIN
SELECT GENDERS_SEQ.NEXTVAL INTO :NEW.ID FROM DUAL;
END;
ALTER TRIGGER "TEST"."GENDERS_TRG" ENABLE;
Here is the same output for the DIAGNOSTICS table:
CREATE TABLE "TEST"."DIAGNOSTICS"
(     "ID" NUMBER NOT NULL ENABLE,
     "NAME" VARCHAR2(1000 BYTE) NOT NULL ENABLE,
     CONSTRAINT "DIAGNOSTICS_PK" PRIMARY KEY ("ID")
USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ENABLE,
     CONSTRAINT "DIAGNOSTICS_UK1" UNIQUE ("NAME")
USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ENABLE
) PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ;
CREATE UNIQUE INDEX "TEST"."DIAGNOSTICS_PK" ON "TEST"."DIAGNOSTICS" ("ID")
PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ;
CREATE UNIQUE INDEX "TEST"."DIAGNOSTICS_UK1" ON "TEST"."DIAGNOSTICS" ("NAME")
PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ;
CREATE OR REPLACE TRIGGER "TEST"."DIAGNOSTICS_TRG"
BEFORE INSERT ON DIAGNOSTICS
FOR EACH ROW
BEGIN
SELECT DIAGNOSTICS_SEQ.NEXTVAL INTO :NEW.ID FROM DUAL;
END;
ALTER TRIGGER "TEST"."DIAGNOSTICS_TRG" ENABLE;
And finally, here is the same output for the PATIENTS table:
CREATE TABLE "TEST"."PATIENTS"
(     "ID" NUMBER NOT NULL ENABLE,
     "NAME" VARCHAR2(1000 BYTE) NOT NULL ENABLE,
     "COUNTRY" NUMBER,
     "GENDER" NUMBER,
     "ADMISSIONDATE" DATE,
     "DIAGNOSTIC" NUMBER,
     "FIRSTNAME" VARCHAR2(1000 BYTE),
     "SALARY" NUMBER,
     CONSTRAINT "PATIENTS_PK" PRIMARY KEY ("ID")
USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ENABLE,
     CONSTRAINT "PATIENTS_UK1" UNIQUE ("NAME", "ID")
USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ENABLE,
     CONSTRAINT "PATIENTS_GENDERS_FK1" FOREIGN KEY ("GENDER")
     REFERENCES "TEST"."GENDERS" ("ID") ENABLE,
     CONSTRAINT "PATIENTS_DIAGNOSTICS_FK1" FOREIGN KEY ("DIAGNOSTIC")
     REFERENCES "TEST"."DIAGNOSTICS" ("ID") ENABLE,
     CONSTRAINT "PATIENTS_COUNTRIES_FK1" FOREIGN KEY ("COUNTRY")
     REFERENCES "TEST"."COUNTRIES" ("ID") ENABLE
) PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ;
CREATE INDEX "TEST"."PATIENTS_INDEX1" ON "TEST"."PATIENTS" ("NAME")
PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ;
CREATE UNIQUE INDEX "TEST"."PATIENTS_PK" ON "TEST"."PATIENTS" ("ID")
PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ;
CREATE UNIQUE INDEX "TEST"."PATIENTS_UK1" ON "TEST"."PATIENTS" ("NAME", "ID")
PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ;
CREATE OR REPLACE TRIGGER "TEST"."PATIENTS_TRG"
BEFORE INSERT ON PATIENTS
FOR EACH ROW
BEGIN
SELECT PATIENTS_SEQ.NEXTVAL INTO :NEW.ID FROM DUAL;
END;
ALTER TRIGGER "TEST"."PATIENTS_TRG" ENABLE;
If a complete DB dump would be more helpful, please let me know. I am willing to provide any details.
Thanks for your support.

JBO-25001 Business Components Error

Hi to all,
I am experiencing some VERY STRANGE behaviour in JDeveloper ADFBC.
I am using Jdeveloper 10.1.3.1.0.3984 to build an application using ADF and Business Components.
I have four tables, JAAS_USERS, JAAS_ROLES, JAAS_REALMS and JAAS_MAPPINGS. The only associations are that JAAS_MAPPINGS have JAAS_USERS_ID, JAAS_ROLES_ID and JAAS_REALMS_ID.
I created my entities (package: datamodel.entities) and i have specified that JAAS_USERS entity use a DBSequence for USER_ID. Please note that i included control hints for every entity.
Then i created my first view (package: datamodel.views), called JaasUsers
that simply selects all attributes of the entity.
I then created an application module (package: datamodel) and i included the view. When i test the application module everything is fine!
I created a jsf and i dragged the view as a table -> read only table and everything was fine.
I then run the page and again everything is fine.
I then realized that i needed to change the control hint for some columns. Instead of changing the control hint of the entity (JAAS_USERS) i changed the object view (JAAS_USERS).
From this point and on NOTHING WORKS!!!!!!!!!!!!!!!!!!!
Here is the error message:
(oracle.jbo.common.ampool.ApplicationPoolException) JBO-30003: The application pool (.110255D7D2E) failed to checkout an application module due to the following exception:
----- LEVEL 1: DETAIL 0 -----
(oracle.jbo.JboException) JBO-29000: Unexpected exception caught: oracle.jbo.JboException, msg=JBO-29000: Unexpected exception caught: oracle.jbo.NameClashException, msg=JBO-25001: Name JaasMappings of object type Attribute already exists
----- LEVEL 2: DETAIL 0 -----
(oracle.jbo.JboException) JBO-29000: Unexpected exception caught: oracle.jbo.NameClashException, msg=JBO-25001: Name JaasMappings of object type Attribute already exists
----- LEVEL 3: DETAIL 0 -----
(oracle.jbo.NameClashException) JBO-25001: Name JaasMappings of object type Attribute already exists
Please help me becuase i don;t know hot to fix this BUG!

Hey ppl , I got an exact similar error when trying to migrate from a 10g R2 to R3 version in Jdeveloper. Quite irritating this error,
Well i guess most would have figured this out , but for benefit of all , theres a slightly easier way to tackle this ( JDEV Release 3)
in the Application Navigator view Double click your Association , within association properties un-check your expose accessor checkboxes for both the source and destination .Apply changes and do a compile. If it is required , jdev will throw an error. Simply follow the process again and check the Expose accessor boxes again. This solves the problem most of the time.
Main advantage being , you can avoid the tedious task of manually changing the xml information on Notepad or the kind.
Hope this helps....

What are ADF Business Components??

ADF BC is running in my mind
Can anyone tell what do they look like??
are they different from any of the components which we develop such a EJB or any JSF components??
revert back ASAP

ADF Business Components is enhanced in 11g, but it is production now in JDeveloper/ADF 10.1.3.
The ADF Learning Center [http://www.oracle.com/technology/products/adf/learnadf.html] has our latest resources for enterprise 4GL Developers getting started with Oracle ADF. This includes the complete ADF Developer's Guide for Forms/4GL Developers [http://www.oracle.com/technology/documentation/jdev/b25947_01/index.html], a companion sample application [http://www.oracle.com/technology/products/jdev/samples/srdemoadfbc.html], and a companion step-by-step tutorial [http://www.oracle.com/technology/obe/ADFBC_tutorial_1013/10131/index.htm].
To complement the free Developer's Guide from Oracle, you might be interested in the Oracle Press title Oracle JDeveloper 10g for Forms & PL/SQL Developers: A Guide to Web Development with Oracle ADF [http://www.amazon.com/Oracle-JDeveloper-Forms-SQL-Developers/dp/0072259604].
There is an instructor-led course for Oracle ADF For Forms/4GL Developers [http://education.oracle.com/pls/web_prod-plq-dad/show_desc.redirect?dc=D18384GC10&p_org_id=1001&lang=US&source_call=].
Potentially of interest to any former Oracle Forms or Oracle Designer user is the additional Oracle JHeadstart for ADF [http://www.oracle.com/technology/consulting/9iServices/JHeadstart.html]extension for JDeveloper. This is a complete web-tier page generation solution that has its own step-by-step tutorial [http://www.oracle.com/technology/products/jdev/tips/muench/jhstutorial/index.html?_template=/ocom/technology/content/print] so customers can evaluate whether it might benefit their developer productivity. The JHeadstart Features/Benefits document is here [http://www.oracle.com/technology/consulting/9iservices/JHeadstart%20White%20Paper.pdf] (pdf).
The OTN J2EE for Forms Devs [http://otn.oracle.com/formsdesignerj2ee] home page has additional resources of particular interest to Oracle Forms developers.
Last but not least, the JDeveloper OTN Discussion Forum JDeveloper and ADF is a great resource to ask JDeveloper/ADF questions of your peers and Oracle employees working on/with the technology.
Hope this helps

Integrating ADF Business Components from heterogenous data sources

Hi all,
has anybody experience in integrating ADF Business Components from heterogenous data sources like ViewObjects from a DB2 database as LOV in a ViewObject from a Oracle 11g?
What is the best practice approach to integrate such different ADF Business Components in declarative and programmatic ways?
Thank you!

thank you for the answer! We already updated out BC according to http://www.oracle.com/technetwork/developer-tools/jdev/multidatabaseapp-085183.html
The DB2 ViewObjects are exported as ADF Libraries and imported in the BC of the project with Oracle DB ViewObjects. In the root AM I created instances from the imported DB2-ViewObjects as well as from the Oracle-ViewObjects, but when I start AM test environment it takes the preconfigured Data Source of the root AM. So I probably will pesneed to create two AMs for the different ViewObject types and for the two connection types. My question is what will be best practices to use data from the DB2-VO of AM_DB2 in the OracleDB-VOs as part of AM_Oracle? Should it be done only programmatically or can it be done also declaratively and any suggestions how to proceed?
Thank you!
Edited by: nbo on Jun 3, 2012 2:53 AM

Editing business components

Hello guys, how can edit my business components ??
lets say i have added a new column to the table in database and i've made a new foreign key with another table, what is the best way to update these changes to my entities and view objects ?
am using JDev 12.c , thanks in advance ^^

right click on a business component package and select synchronize with db. This will add the missing column and new or changes rules to the EO. The updates to the VO you have to to by yourself (e.g. add column to VO).
And the new FK doesn't automatically result in new association or viewlink. These you have to do yourself.
If you have not written too much code you can delete the business components and create new ones from the tables again.
Timo

Business Components Diagram in Jdev 10.1.2

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