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Aggregated objects cannot be written/deleted/queried independently from their owners [message #1184168]

Wed, 13 November 2013 09:07

Sergi Arrufat

Messages: 1
Registered: November 2013
Location: Barcelona

Junior Member

A query of empty collection comparison (IS EMPTY) on a collection annotated with "ElementCollection" of an embeddable class produces the following exception:

Aggregated objects cannot be written/deleted/queried independently from their owners.
Descriptor: [RelationalDescriptor(es.tecsidel.sega.common.model.Horario --> [])]
Query: ReportQuery(referenceClass=Horario )
at org.eclipse.persistence.exceptions.QueryException.aggregateObjectCannotBeDeletedOrWritten(QueryException.java:249)
at org.eclipse.persistence.queries.ReportQuery.prepareSubSelect(ReportQuery.java:1224)
at org.eclipse.persistence.internal.expressions.SubSelectExpression.normalizeSubSelect(SubSelectExpression.java:198)
at org.eclipse.persistence.internal.expressions.ExpressionNormalizer.normalizeSubSelects(ExpressionNormalizer.java:114)
at org.eclipse.persistence.internal.expressions.SQLSelectStatement.normalize(SQLSelectStatement.java:1534)

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