JPAの
小1時間
1.エラー内容(スタックトレース)
Caused by: Exception [EclipseLink-28018] (Eclipse Persistence Services - 2.6.1.v20150916-55dc7c3): org.eclipse.persistence.exceptions.EntityManagerSetupException Exception Description: Predeployment of PersistenceUnit [POfDM_Local] failed. Internal Exception: Exception [EclipseLink-7250] (Eclipse Persistence Services - 2.6.1.v20150916-55dc7c3): org.eclipse.persistence.exceptions.ValidationException Exception Description: [class xyz.monotalk.xxx.ArtistTagEchonestArtistRelation] uses a non-entity [class xyz.monotalk.xxx.FestivalArtistTag] as target entity in the relationship attribute [field festivalArtistTagId]. at org.eclipse.persistence.exceptions.EntityManagerSetupException.predeployFailed(EntityManagerSetupException.java:231) ... 11 more Caused by: Exception [EclipseLink-7250] (Eclipse Persistence Services - 2.6.1.v20150916-55dc7c3): org.eclipse.persistence.exceptions.ValidationException Exception Description: [class xyz.monotalk.festivals4partypeople.models.rdb.entity.ArtistTagEchonestArtistRelation] uses a non-entity [class xyz.monotalk.xxx.FestivalArtistTag] as target entity in the relationship attribute [field festivalArtistTagId]. at org.eclipse.persistence.exceptions.ValidationException.nonEntityTargetInRelationship(ValidationException.java:1381) at org.eclipse.persistence.internal.jpa.metadata.accessors.mappings.RelationshipAccessor.getReferenceDescriptor(RelationshipAccessor.java:553) at org.eclipse.persistence.internal.jpa.metadata.accessors.mappings.ObjectAccessor.processForeignKeyRelationship(ObjectAccessor.java:634) at org.eclipse.persistence.internal.jpa.metadata.accessors.mappings.ObjectAccessor.processOwningMappingKeys(ObjectAccessor.java:708) at org.eclipse.persistence.internal.jpa.metadata.accessors.mappings.ManyToOneAccessor.process(ManyToOneAccessor.java:123) at org.eclipse.persistence.internal.jpa.metadata.MetadataProject.processOwningRelationshipAccessors(MetadataProject.java:1595) at org.eclipse.persistence.internal.jpa.metadata.MetadataProject.processStage3(MetadataProject.java:1848) at org.eclipse.persistence.internal.jpa.metadata.MetadataProcessor.processORMMetadata(MetadataProcessor.java:577) at org.eclipse.persistence.internal.jpa.deployment.PersistenceUnitProcessor.processORMetadata(PersistenceUnitProcessor.java:604) at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.predeploy(EntityManagerSetupImpl.java:1948)
2.原因
persistence.xmlに
3.対処方法
classpath上の、
メッセージ確認した
何故か
と
根本原因は
以上です。
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