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RE: [eclipselink-users] Discriminator issue 
Did you merge or persist the object before replacing it?  Does some other
object have a reference to it?

Try setting logging to FINEST to see were it is reference from.


khaskett wrote:
> 
> Right before I do the update, I inspected the CpTransaction object using
> the debugger and the cpTransCoverage object is
> com.gmrc.jpa.domain.CpTransCoverage@77a877a8.  In the code prior to
> setting it, we first create the object as a new CpCoverage, then before
> setting it we create a CpTransCoverage with a constructor call passing
> in the CpCoverage and updating all fields with the values from that
> object passed in, not retaining the reference to the actual object.
> 
> Anything else I should be checking?
> 
> -----Original Message-----
> From: eclipselink-users-bounces@xxxxxxxxxxx
> [mailto:eclipselink-users-bounces@xxxxxxxxxxx] On Behalf Of James
> Sutherland
> Sent: Wednesday, July 08, 2009 9:21 AM
> To: eclipselink-users@xxxxxxxxxxx
> Subject: Re: [eclipselink-users] Discriminator issue
> 
> 
> It looks like you are persisting a CpCoverage (the superclass) not a
> CpTransCoverage in your app somewhere.  The class name is the default
> indicator, which is what it is getting.  You should also set a
> DiscriminatorValue on CpCoverage, or make it abstract.
> 
> 
> khaskett wrote:
>>
>> I have a parent / child relationship where the child is a Entity that
>> has a Discriminator annotation.  Currently we are seeing this error
>> show up in the logs. The Discriminator is based off the COVERAGE_TYPE
> field.
>>
>> [7/7/09 17:02:12:207 CDT] 00000041 SystemOut     O [EL Fine]:
> 2009-07-07
>> 17:02:12.191--ClientSession(1159218456)--Connection(1268009876)--Threa
>> d(Thread[WebContainer
>> : 3,5,main])--INSERT INTO CP_COVERAGE (COVERAGE_CODE, BUILDING_NUMBER,
> 
>> RATING_ORIGINAL_RATE, PREMIUM_ACTUAL, RATING_MODIFIED_RATE,
>> LIABILITY_LIMIT, COVERAGE_TYPE, PREMIUM_MIN, PREMIUM_PREVIOUS_PRO,
>> PREMIUM_OVERRIDE, STATE_CODE, SUBCOVERAGE_DESC, FORM_NUMBER, SORT_SEQ,
> 
>> LOCATION_NUMBER, COVERAGE_CLASS_CODE, PREMIUM_PREVIOUS,
>> PREMIUM_MEET_MIN, RATING_RMF, RATED_COVERAGE_FLAG,
>> PREMIUM_OVERRIDE_RESET, COVERAGE_DESC, COV_GROUP, ACTION_CODE,
>> BLANKET_ID) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?,
> ?, ?, ?, ?, ?, ?, ?, ?)
>> 	bind => [790, 0, 0.0, 4.0, 0.0, null, CpCoverage, 0.0, 0.0,
> -1.0,
>> null, null, null, 790, 0, null, 0.0, 0.0, 0.0, N, N, Terrorism, null,
>> null, null]
>> [7/7/09 17:02:14:691 CDT] 00000041 SystemOut     O [EL Warning]:
>> 2009-07-07
>> 17:02:14.519--UnitOfWork(1153582274)--Thread(Thread[WebContainer :
>> 3,5,main])--Exception [EclipseLink-4002] (Eclipse Persistence Services
> 
>> -
>> 1.1.1.v20090430-r4097):
>> org.eclipse.persistence.exceptions.DatabaseException
>> Internal Exception: java.sql.DataTruncation: Data truncation Error
>> Code: 0
>> Call: INSERT INTO CP_COVERAGE (COVERAGE_CODE, BUILDING_NUMBER,
>> RATING_ORIGINAL_RATE, PREMIUM_ACTUAL, RATING_MODIFIED_RATE,
>> LIABILITY_LIMIT, COVERAGE_TYPE, PREMIUM_MIN, PREMIUM_PREVIOUS_PRO,
>> PREMIUM_OVERRIDE, STATE_CODE, SUBCOVERAGE_DESC, FORM_NUMBER, SORT_SEQ,
> 
>> LOCATION_NUMBER, COVERAGE_CLASS_CODE, PREMIUM_PREVIOUS,
>> PREMIUM_MEET_MIN, RATING_RMF, RATED_COVERAGE_FLAG,
>> PREMIUM_OVERRIDE_RESET, COVERAGE_DESC, COV_GROUP, ACTION_CODE,
>> BLANKET_ID) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?,
> ?, ?, ?, ?, ?, ?, ?, ?)
>> 	bind => [790, 0, 0.0, 4.0, 0.0, null, CpCoverage, 0.0, 0.0,
> -1.0,
>> null, null, null, 790, 0, null, 0.0, 0.0, 0.0, N, N, Terrorism, null,
>> null, null]
>> Query: InsertObjectQuery(com.gmrc.jpa.domain.CpCoverage@71547154)
>>
>> The problem seems to be that it is trying to insert CpCoverage value
>> instead of the correct value into that field.
>>
>> We have tried setting the COVERAGE_TYPE field explicitly and leaving
>> it blank and get the same result.  I have tried a very simple example
>> of this and it seems to work fine.
>>
>> CpTransaction cpTrans = new CpTransaction();
>> cpTrans.setTransactionStatus(TransactionStatus.IN_PROGRESS);
>> cpTrans.setTransactionType(TransactionType.NEW_BUSINESS);
>> cpTrans.setParentTransactionId(0L);
>> CpTransCoverage cpTerrorism = new CpTransCoverage();
>> cpTerrorism.setCoverageCode("999");
>> cpTrans.setCpTerrorismCoverage(cpTerrorism);
>> 		
>> cpTransactionManager.save(cpTrans);
>>
>> Setting only the non-nullable fields and then adding the
> CpTransCoverage.
>>
>> @Entity
>> @DiscriminatorValue(value = "P")
>> public class CpTransCoverage extends CpCoverage { ...
>>
>> @Entity
>> @Table(name = "CP_COVERAGE")
>> @Inheritance(strategy = InheritanceType.SINGLE_TABLE)
>> @DiscriminatorColumn(name = "COVERAGE_TYPE", discriminatorType =
>> DiscriminatorType.STRING, length = 1) public class CpCoverage extends
>> BaseDomain implements java.io.Serializable {
>>
>> ....
>>
>> Anything overly obvious I am missing here?
>>
> 
> 


-----
http://wiki.eclipse.org/User:James.sutherland.oracle.com James Sutherland 
http://www.eclipse.org/eclipselink/
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