Exception: non-read-only mapping defined for the primary key field

Hello.
I'm new to Oracle and I created Java EE Web Project.
And I created entities from tableA, tableB, tableC from my database.
tableA has foreign key to tableB and has unidirectional Many-to-One relationship. tableC has two primary keys and one of these is foreign key to primary key in tableA. tableC also has unidirection Many-to-One relationship to tableA.
Then I created session bean and data control from it, in design window, created read-only table from tableA.
And I selected columns in tableA and also in tableB.
I ran the application and saw the following exception in log window.
Local Exception Stack:
Exception [EclipseLink-46] (Eclipse Persistence Services - 2.1.3.v20110304-r9073): org.eclipse.persistence.exceptions.DescriptorException
Exception Description: There should be one non-read-only mapping defined for the primary key field [tableC.tableA_ID].
Descriptor: RelationalDescriptor(mypack.tableC --> [DatabaseTable(tableC)])
tableA_ID is a primary key in tableA.
How can I solve this error?
Please help me.
Edited by: 900471 on 2011. 12. 3 오전 5:32
Edited by: 900471 on 2011. 12. 3 오전 5:33
Edited by: 900471 on 2011. 12. 3 오전 5:33
Edited by: 900471 on 2011. 12. 3 오전 5:34

There are not enough details to be sure since you have not provided the mappings. From just the error, it looks like you are using the tableC.tableA_ID field as the foreign key in the ManyToOne relationship to A, but have marked it as insertable=false, writeable=false, meaning that it cannot be updated or used for inserts.
Either make it writable (set the settings to true), or add another basic mapping/attribute in the entity for TableC that maps to the field which you can use to set when you insert a new tableC entity. A simple example is available at
http://wiki.eclipse.org/EclipseLink/Examples/JPA/2.0/DerivedIdentifiers
Best Regards,
Chris

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Hai
I Have a problem in creating trigger for the following
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i have a table with the fields
fld1 (varchar2(6) fld2(varchar2(20)) fld3 (number)
the fld1 is a primary key.
here in this table i am inserting the values ..
At the time of inserting the fld1 should get the part value of fld2
say if new value for fld2 is "SAM & CO" then
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if P the the Sequence should be the next number of fld1 to P
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if i add the value like this
insert into tname(fld2,fld3) values('PQQQQ',34343)
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I need the solution for this..
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thanx
gaya3

There are not enough details to be sure since you have not provided the mappings. From just the error, it looks like you are using the tableC.tableA_ID field as the foreign key in the ManyToOne relationship to A, but have marked it as insertable=false, writeable=false, meaning that it cannot be updated or used for inserts.
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Best Regards,
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Message no.8Z876 No time base defined for the revaluation key -Problem ABAW

Hello,
I have a problem... I have a revaluation area (04: in local currency) and a parallel revaluation area (05: in hard currency) and I have to revaluate an asset, but I couldn't with Tx ABAW. The error is :
Message no. 8Z876 No time base defined for the revaluation key
I checked the configuration and I think it's all ok. I did some tests and I could revaluate only the Area 04 (local currency). Example:
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PD: I'm so sorry for my grammatical errors, I'm spanish speaker

Hi
The error
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1. TBE (Time Base exposure variant) is not maintained.
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And if it have all the intervals correctly defined and the post flag
marked for the months required to calculate revalaution.
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filled in your revaluation areas. If the last revaluation date field is
blank, the time base must have the following entry: 31.12.XXXX-1 where
XXXX is the current fiscal year (for ABAW).
2. In the ABAW transaction itself you are trying to post values to any
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program. If this is the case, please enter manually only zero values as
"Amount posted" in those parallel areas.
If by some specific reasons you still plan to post (manually) to these
parallel areas, you will get error message 8z876 in accordance to your
explanation of the problem.
   To allow posting of non-zero amounts to these areas, you need to
create Revaluation Key NULO. To do this, go to the customizing system
IMG (transaction SPRO) according to the link:
IMG -> Financial Accounting -> Asset Accounting -> Special Valuation ->
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        -> Inflation -> Maintain Revaluation Keys
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(Ctrl+S).
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above.
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[http://tinypic.com/view.php?pic=2z4l6xi&s=5]
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h1. Environment
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Version: 3.0.0.655
h1. Test Case:
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MINEXTENTS 1
MAXEXTENTS 2147483645
FREELISTS 1
FREELIST GROUPS 1
BUFFER_POOL DEFAULT
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The script will fail because SORTED is not allowed here. It should be SORT.
Additionally, the default behaviour for Data Modeler is to set Index Sort to NO but default setting for Oracle database 11g is SORT. Shouldn't Data Modeler use SORT as the default value?
Edited by: user7420841 on 2011-05-07 03:15

Hi,
Thanks for reporting this problem. As you say, it should be SORT rather than SORTED. I have logged a bug on this.
I also agree that, for consistency with the database default, it would be better to have SORT as the default in Data Modeler.
David

Exception: non-read-only mapping defined for the primary key field

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