"org.hibernate.bytecode.instrumentation.spi.LazyPropertyInitializer$1 cannot be cast to [B" ClassCastException for LAZY fetch Lob property in Hibernate
Issue
- An entity includes a
@Lobproperty withFetchType.LAZY
@Lob
@Column....
@Basic(fetch = FetchType.LAZY)
EntityManager.merge(...)fails with ajava.lang.ClassCastException
java.lang.ClassCastException: org.hibernate.bytecode.instrumentation.spi.LazyPropertyInitializer$1 cannot be cast to [B
at org.hibernate.type.descriptor.java.PrimitiveByteArrayTypeDescriptor.areEqual(PrimitiveByteArrayTypeDescriptor.java:42)
at org.hibernate.type.AbstractStandardBasicType.isEqual(AbstractStandardBasicType.java:209)
at org.hibernate.type.AbstractStandardBasicType.getReplacement(AbstractStandardBasicType.java:102)
at org.hibernate.type.AbstractStandardBasicType.replace(AbstractStandardBasicType.java:353)
at org.hibernate.type.TypeHelper.replace(TypeHelper.java:177)
at org.hibernate.event.internal.DefaultMergeEventListener.copyValues(DefaultMergeEventListener.java:401)
at org.hibernate.event.internal.DefaultMergeEventListener.entityIsDetached(DefaultMergeEventListener.java:338)
at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:180)
at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:86)
at org.hibernate.internal.SessionImpl.fireMerge(SessionImpl.java:833)
at org.hibernate.internal.SessionImpl.merge(SessionImpl.java:817)
at org.hibernate.internal.SessionImpl.merge(SessionImpl.java:821)
at org.hibernate.ejb.AbstractEntityManagerImpl.merge(AbstractEntityManagerImpl.java:889)
at org.jboss.as.jpa.container.AbstractEntityManager.merge(AbstractEntityManager.java:548)
...
Environment
- Red Hat JBoss Enterprise Application Platform (EAP) 6
- Hibernate 4
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