IBM Support

PH36839: ECLIPSELINK THROWS NULLPOINTEREXCEPTION FROM EMBEDDED TEMPORAL MAPKEYS

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APAR status

  • Closed as program error.

Error description

  • EclipseLink throws a NullPointerException when attempting to
    em.merge() a @MapKeyTemporal relationship.
    
    Exception:
    ´´´
    java.lang.NullPointerException
     at
    org.eclipse.persistence.mappings.converters.TypeConversionConver
    ter.convertObjectValueToDataValue(TypeConversionConverter.java:2
    10)
     at
    org.eclipse.persistence.mappings.foundation.AbstractDirectMappin
    g.extractIdentityFieldsForQuery(AbstractDirectMapping.java:554)
     at
    org.eclipse.persistence.internal.queries.MappedKeyMapContainerPo
    licy.getKeyMappingDataForWriteQuery(MappedKeyMapContainerPolicy.
    java:145)
     at
    org.eclipse.persistence.mappings.AggregateCollectionMapping.prep
    areModifyQueryForDelete(AggregateCollectionMapping.java:2594)
     at
    org.eclipse.persistence.mappings.AggregateCollectionMapping.obje
    ctRemovedDuringUpdate(AggregateCollectionMapping.java:2339)
     at
    org.eclipse.persistence.mappings.CollectionMapping.compareObject
    sAndWrite(CollectionMapping.java:781)
     at
    org.eclipse.persistence.mappings.AggregateCollectionMapping.post
    Update(AggregateCollectionMapping.java:2451)
     at
    org.eclipse.persistence.descriptors.DescriptorQueryManager.postU
    pdate(DescriptorQueryManager.java:1037)
     at
    org.eclipse.persistence.internal.queries.DatabaseQueryMechanism.
    updateObjectForWriteWithChangeSet(DatabaseQueryMechanism.java:11
    09)
     at
    org.eclipse.persistence.queries.UpdateObjectQuery.executeCommitW
    ithChangeSet(UpdateObjectQuery.java:86)
     at
    org.eclipse.persistence.internal.queries.DatabaseQueryMechanism.
    executeWriteWithChangeSet(DatabaseQueryMechanism.java:316)
     at
    org.eclipse.persistence.queries.WriteObjectQuery.executeDatabase
    Query(WriteObjectQuery.java:60)
     at
    org.eclipse.persistence.queries.DatabaseQuery.execute(DatabaseQu
    ery.java:911)
    ´´´
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of IBM WebSphere Application      *
    *                  Server - Java Persistence API - JPA 2.1 &   *
    *                  EclipseLink                                 *
    ****************************************************************
    * PROBLEM DESCRIPTION: EclipseLink throws a                    *
    *                      NullPointerException when attempting    *
    *                      to merge an Entity with a               *
    *                      @MapKeyTemporal                         *
    *                      relationship                            *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    Example:
    ´´´
    @Entity
    public class SimpleEntity {
    @Id
    private int id;
    @ElementCollection(fetch = FetchType.EAGER)
    @CollectionTable(name = "EntMapDateTemporalPAE",
    joinColumns = @JoinColumn(name = "parent_id"))
    @MapKeyColumn(name = "mykey")
    @MapKeyTemporal(TemporalType.DATE)
    private Map<Date, SimpleTemporalEmbed>
    mapKeyTemporalValueEmbed;
    &#180;&#180;&#180;
    Exception:
    &#180;&#180;&#180;
    java.lang.NullPointerException
    at
    org.eclipse.persistence.mappings.converters.TypeConversionConver
    ter.convertObjectValueToDataValue(TypeConversionConverter.java:2
    10)
    at
    org.eclipse.persistence.mappings.foundation.AbstractDirectMappin
    g.extractIdentityFieldsForQuery(AbstractDirectMapping.java:554)
    at
    org.eclipse.persistence.internal.queries.MappedKeyMapContainerPo
    licy.getKeyMappingDataForWriteQuery(MappedKeyMapContainerPolicy.
    java:145)
    at
    org.eclipse.persistence.mappings.AggregateCollectionMapping.prep
    areModifyQueryForDelete(AggregateCollectionMapping.java:2594)
    at
    org.eclipse.persistence.mappings.AggregateCollectionMapping.obje
    ctRemovedDuringUpdate(AggregateCollectionMapping.java:2339)
    at
    org.eclipse.persistence.mappings.CollectionMapping.compareObject
    sAndWrite(CollectionMapping.java:781)
    at
    org.eclipse.persistence.mappings.AggregateCollectionMapping.post
    Update(AggregateCollectionMapping.java:2451)
    &#180;&#180;&#180;
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    PH36839

  • Reported component name

    WEBSPHERE APP S

  • Reported component ID

    5724J0800

  • Reported release

    900

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2021-04-29

  • Closed date

    2021-07-07

  • Last modified date

    2021-07-07

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    WEBSPHERE APP S

  • Fixed component ID

    5724J0800

Applicable component levels

  • R900 PSY

       UP

[{"Line of Business":{"code":"LOB36","label":"IBM Automation"},"Business Unit":{"code":"BU053","label":"Cloud \u0026 Data Platform"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"900"}]

Document Information

Modified date:
16 July 2021