the problem is now solved in the trunk.
see http://article.gmane.org/gmane.comp.jakarta.ojb.devel/5259
hth jakob
Thierry Hanot wrote:
Hello Thanks for the link , But in the discussion , there is no solution , it just say that we need to
convert Jdbc types ... Any guess about when we will have a correction ?.
B.R
Thierry
-----Original Message-----
From: Andy Malakov [mailto:[EMAIL PROTECTED] Sent: Thursday, January 22, 2004 10:51 PM
To: OJB Users List
Subject: Re: Pbm on MtoNCollectionPrefetcher
Hello Thierry,
Here is comment of Jakob Braeuchi in OJB-DEV on the same issue :
http://article.gmane.org/gmane.comp.jakarta.ojb.devel/5084
----- Original Message ----- From: "Thierry Hanot" <[EMAIL PROTECTED]>
To: "'OJB Users List'" <[EMAIL PROTECTED]>
Sent: Thursday, January 22, 2004 3:31 PM
Subject: Pbm on MtoNCollectionPrefetcher
Hello There is a problem on the MtoNCollectionPrefetcher .
Description :
Input a MtoN relation in an Oracle database All the ids are SQL NUMBER and are declared as BIGINT in the
repository.xml.
The problem is that the Prefetecher use a ReportQuery in the method prefetchRelationship but use the class descriptor ( in the associateBatched method ) for generating identity .
Identity on Object A using the ReportQuery : 2 BigInteger ( using the JdbcTypesHelper and the MetaDatas of the statement ) Identity on Object A using the ClassDescriptor : 2 Long
The equal method of the identity return false even with the same ids ... So access to the maps childMap and ownerIdsToLists ( in associateBatched
) cause NPE because returning null values .
I think may be the mapping of the good type of the ReportQuery result is missing ???
Here is a part of the stack :
org.apache.ojb.broker.accesslayer.MtoNCollectionPrefetcher.associateBa tched( MtoNCollectionPrefetcher.java:363) at
org.apache.ojb.broker.accesslayer.MtoNCollectionPrefetcher.prefetchRelations
hip(MtoNCollectionPrefetcher.java:126) at
org.apache.ojb.broker.core.QueryReferenceBroker$PBPrefetchingListener.prefet
ch(QueryReferenceBroker.java:837) at
org.apache.ojb.broker.core.QueryReferenceBroker$PBCollectionProxyListener.be
foreLoading(QueryReferenceBroker.java:894) at
org.apache.ojb.broker.accesslayer.CollectionProxy.beforeLoading(CollectionPr
oxy.java:173) at
org.apache.ojb.broker.accesslayer.CollectionProxy.getData(CollectionProxy.ja
va:400) at
org.apache.ojb.broker.accesslayer.CollectionProxy.iterator(CollectionProxy.j
ava:230)
B.R
Thierry
--------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
--------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
--------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
--------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
