IllegalArgumentException: Expecting collection type ... in Hibernate 4
Issue
-
Declaring an
@ ElementCollectionas below@ElementCollection @IndexColumn(name = "idx") private String[] strings; -
Creation of the
EntityManagerfails withjava.lang.IllegalArgumentException: Expecting collection type [[Ljava.lang.String;] at org.hibernate.ejb.metamodel.AttributeFactory.determineCollectionType(AttributeFactory.java:902) at org.hibernate.ejb.metamodel.AttributeFactory$PluralAttributeMetadataImpl.(AttributeFactory.java:756) at org.hibernate.ejb.metamodel.AttributeFactory$PluralAttributeMetadataImpl.(AttributeFactory.java:737) at org.hibernate.ejb.metamodel.AttributeFactory.determineAttributeMetadata(AttributeFactory.java:520) at org.hibernate.ejb.metamodel.AttributeFactory.buildAttribute(AttributeFactory.java:100) at org.hibernate.ejb.metamodel.MetadataContext.wrapUp(MetadataContext.java:207) at org.hibernate.ejb.metamodel.MetamodelImpl.buildMetamodel(MetamodelImpl.java:83) at org.hibernate.ejb.EntityManagerFactoryImpl.(EntityManagerFactoryImpl.java:106) at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:915) at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:900) at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:59) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:63) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:47) ...
Environment
- Red Hat JBoss Enterprise Application Platform (EAP) 6
- Hibernate 4 JPA applications
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