Hi,
Finally migrating away from 1.0rc6 to 1.0.5rc1 ..... :)
Started migration our persistence layer around OJB, think a found a bug.
When we create a reportquery and want to execute a count first, we get a
ClassCastException.
Caused by: java.lang.ClassCastException:
org.apache.ojb.broker.query.EnclosingReportQuery
at
org.apache.ojb.broker.util.BrokerHelper.getReportQueryByCriteriaCount(Un
known Source)
at org.apache.ojb.broker.util.BrokerHelper.getCountQuery(Unknown
Source)
at
org.apache.ojb.broker.core.PersistenceBrokerImpl.getCount(Unknown
Source)
at
org.apache.ojb.broker.core.DelegatingPersistenceBroker.getCount(Unknown
Source)
at
org.apache.ojb.broker.core.DelegatingPersistenceBroker.getCount(Unknown
Source)
Looking at the OJB source code:
In BrokerHelper : Query
getReportQueryByCriteriaCount(ReportQueryByCriteria aQuery)
contains code : ReportQueryByCriteria countQuery =
(ReportQueryByCriteria) getQueryByCriteriaCount(aQuery);
In BrokerHelper : Query getQueryByCriteriaCount(QueryByCriteria aQuery)
contains code :
if (aQuery.isDistinct())
{
countQuery.setDistinct(true);
return new EnclosingReportQuery(countQuery, "count(*)");
}
And class EnclosingReportQuery does not cast to
ReportQueryByCriteria!!!!
Hope this is enough info.
Greetings,
Roger Janssen
iBanx
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