Entity Object

Hi,
I am trying my first test page in the OAF..
I did the following steps:
1. downloaded the correct version of JDev, unzip it and set the environment variable.
2. i copied the db_connection to the .dbc into dbc_files\secure.
3. I opened the toolbox workspace and run hello page to ensure everything is OK..
Then i created my own workspace with a default package xx.oracle.apps.ak and added a new project.
Then I added 3 packages (xx.oracle.apps.ak.xxtest.schema.server, xx.oracle.apps.ak.xxtest.server and xx.oracle.apps.ak.xxtest.webui)
these packages added from new>Web Tier>OA Component > Package file
Currently i am trying to create the entity object. i right click "xx.oracle.apps.ak.xxtest.schema.server" then new entity object
i typed the name, specified the table name in the schema object ( i typed the table name because the list is not populated)
I observed that all the database schema are disabled and the table was checked previously (can not be changed)
when i pressed next, the entity attributes part is empty and the only enabled button is "New"
why they are disabled.... i already checked my dbconnection and was tested successfully.
I already set the database and runtime connection in the project properties.
is there anything missing?

I solved the issue..
I deleted the system folder, regenerate it again and checked the business component in the project properties..
the options are enabled now...
I preferred to separate my developments from the jdev files (my projects, my classes... etc) since i am still learning i created workspaces, projects several times and needed to deleted them totally from the hard drive..
is there a better way to separate my files?
would it be done by changing the environment variable to something other than ......\jdevhome\jdev??
One more question, I noticed that there is the classpath under myprojects (mycompany\oracle\apps....), what is the use of it?
should i rename mycompany to the real name and use it instead of creating new packages?
Thanks a lot

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    oracle.apps.fnd.framework.OAException: oracle.jbo.DMLException: JBO-26041: Failed to post data to database during "Insert": SQL Statement "BEGIN INSERT INTO pa_job_bill_rate_overrides(START_DATE_ACTIVE,LAST_UPDATE_DATE,LAST_UPDATED_BY,CREATION_DATE,CREATED_BY,LAST_UPDATE_LOGIN,BILL_RATE_UNIT,PROJECT_ID,RECORD_VERSION_NUMBER,JOB_BILL_RATE_OVERRIDE_ID,RATE_CURRENCY_CODE) VALUES (:1,:2,:3,:4,:5,:6,:7,:8,:9,:10,:11) RETURNING JOB_BILL_RATE_OVERRIDE_ID, JOB_ID, START_DATE_ACTIVE, LAST_UPDATE_DATE, LAST_UPDATED_BY, CREATION_DATE, CREATED_BY, LAST_UPDATE_LOGIN, RATE, BILL_RATE_UNIT, PROJECT_ID, TASK_ID, END_DATE_ACTIVE, RECORD_VERSION_NUMBER, RATE_CURRENCY_CODE, DISCOUNT_PERCENTAGE, RATE_DISC_REASON_CODE INTO :12, :13, :14, :15, :16, :17, :18, :19, :20, :21, :22, :23, :24, :25, :26, :27, :28; END;".
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    ## Detail 0 ##
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         at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
         at oracle.apps.fnd.framework.webui.OAPageLayoutHelper.processFormRequest(OAPageLayoutHelper.java:1118)
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         at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
         at oracle.apps.fnd.framework.webui.beans.form.OAFormBean.processFormRequest(OAFormBean.java:395)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:995)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:961)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:816)
         at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
         at oracle.apps.fnd.framework.webui.beans.OABodyBean.processFormRequest(OABodyBean.java:363)
         at oracle.apps.fnd.framework.webui.OAPageBean.processFormRequest(OAPageBean.java:2633)
         at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1659)
         at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:497)
         at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:418)
         at OA.jspService(OA.jsp:40)
         at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)
         at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:317)
         at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:465)
         at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:379)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
         at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:727)
         at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:306)
         at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:767)
         at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:259)
         at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:106)
         at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:803)
         at java.lang.Thread.run(Thread.java:534)
    java.sql.SQLException: ORA-01400: cannot insert NULL into ("PA"."PA_JOB_BILL_RATE_OVERRIDES"."JOB_ID")
    ORA-06512: at line 1
         at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134)
         at oracle.jdbc.ttc7.TTIoer.processError(TTIoer.java:289)
         at oracle.jdbc.ttc7.Oall7.receive(Oall7.java:583)
         at oracle.jdbc.ttc7.TTC7Protocol.doOall7(TTC7Protocol.java:1983)
         at oracle.jdbc.ttc7.TTC7Protocol.parseExecuteFetch(TTC7Protocol.java:1141)
         at oracle.jdbc.driver.OracleStatement.executeNonQuery(OracleStatement.java:2154)
         at oracle.jdbc.driver.OracleStatement.doExecuteOther(OracleStatement.java:2036)
         at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:2880)
         at oracle.jdbc.driver.OraclePreparedStatement.executeUpdate(OraclePreparedStatement.java:622)
         at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:698)
         at oracle.jbo.server.OracleSQLBuilderImpl.doEntityDML(OracleSQLBuilderImpl.java:371)
         at oracle.jbo.server.EntityImpl.doDML(EntityImpl.java:5108)
         at tcsl.oracle.apps.pa.jobBillRateAndAssignment.schema.server.JobBillRateEOImpl.doDML(JobBillRateEOImpl.java:124)
         at oracle.jbo.server.EntityImpl.postChanges(EntityImpl.java:4015)
         at oracle.apps.fnd.framework.server.OAEntityImpl.postChanges(OAEntityImpl.java:1676)
         at oracle.jbo.server.DBTransactionImpl.doPostTransactionListeners(DBTransactionImpl.java:2694)
         at oracle.jbo.server.DBTransactionImpl.postChanges(DBTransactionImpl.java:2540)
         at oracle.jbo.server.DBTransactionImpl.commitInternal(DBTransactionImpl.java:1783)
         at oracle.jbo.server.DBTransactionImpl.commit(DBTransactionImpl.java:1976)
         at oracle.apps.fnd.framework.server.OADBTransactionImpl.commit(OADBTransactionImpl.java:680)
         at tcsl.oracle.apps.pa.jobBillRateAndAssignment.server.jobBillRateAndAssignmentAMImpl.saveJobAssignmentDetails(jobBillRateAndAssignmentAMImpl.java:772)
         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
         at java.lang.reflect.Method.invoke(Method.java:324)
         at oracle.apps.fnd.framework.server.OAUtility.invokeMethod(OAUtility.java:189)
         at oracle.apps.fnd.framework.server.OAUtility.invokeMethod(OAUtility.java:152)
         at oracle.apps.fnd.framework.server.OAApplicationModuleImpl.invokeMethod(OAApplicationModuleImpl.java:721)
         at tcsl.oracle.apps.pa.jobBillRateAndAssignment.webui.jobBillRateAndAssignmentCO.processFormRequest(jobBillRateAndAssignmentCO.java:357)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:799)
         at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
         at oracle.apps.fnd.framework.webui.OAPageLayoutHelper.processFormRequest(OAPageLayoutHelper.java:1118)
         at oracle.apps.fnd.framework.webui.beans.layout.OAPageLayoutBean.processFormRequest(OAPageLayoutBean.java:1579)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:995)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:961)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:816)
         at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
         at oracle.apps.fnd.framework.webui.beans.form.OAFormBean.processFormRequest(OAFormBean.java:395)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:995)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:961)
         at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:816)
         at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:363)
         at oracle.apps.fnd.framework.webui.beans.OABodyBean.processFormRequest(OABodyBean.java:363)
         at oracle.apps.fnd.framework.webui.OAPageBean.processFormRequest(OAPageBean.java:2633)
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         at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:465)
         at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:379)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
         at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:727)
         at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:306)
         at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:767)
         at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:259)
         at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:106)
         at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:803)
         at java.lang.Thread.run(Thread.java:534)

  • Problem while setting new value to entity object attribute in doDML meathod

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    iloveoracle,
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    <rant>
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  • Possible?Multi-Entity View Object with one Entity Object that is Read-only.

    I know this sounds crazy, but I would like to create a multi-entity view object, where one entity object is based on a table in my application (we'll call it "Users", which basically stores the primary key for the person from the institutional people database), and the other table is a entity object based on a view of the institutional people database table (read only access), which we can call "People".
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    Jeremy.

    Steve, thanks for your quick response to my question.
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  • Help: 'JBO-26080: Error while selecting entity object' on RefreshDataSource

    Hi all,
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    Michael:
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  • Dynamic Creation of Entity Objects (ADF Business Components)

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  • How to add row in multiple view object based on common entity object.

    Hi ,
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    Hi,
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    3. Second tab that contains rows, lets call it Roles  - ability to create, modify and delete
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                            </af:popup>

  • Unable to create entity object in JDev 10.1.3(R12)

    Hi,
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    Regards
    Sudhakar

    Sudhakar,
    The (R12) in the thread subject line leads me to believe that you are asking this question in the wrong forum. OA Framework has its own [url http://forums.oracle.com/forums/forum.jspa?forumID=210]forum that you should use.
    Best,
    John

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