[jira] Created: (OPENJPA-873) @MappedSuperClass Cause Null Pointer Exception in Class With IdClass

[Fay Wang (JIRA)]

@MappedSuperClass Cause Null Pointer Exception in Class With IdClass
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                 Key: OPENJPA-873
                 URL: https://issues.apache.org/jira/browse/OPENJPA-873
             Project: OpenJPA
          Issue Type: Bug
    Affects Versions: 1.2.0
            Reporter: Fay Wang


This JIRA is open on behalf of pioneer...@yahoo.com.

@MappedSuperclass
public abstract class CashBaseEntity extends BaseEntity{
@Column(name="TRCCRUI")
          private String createUser;
         
          @Column(name="TRCCRTS")
          private Date createTime;
         
          @Column(name="TRCLUUID")
          private String updateUser;
         
          @Column(name="TRCLUTS")
          private Date updateTime;
         
          @Version
          @Column(name="TRCVER")
          private int version;
//getter setter ....removed ..for short post

    }


@Entity
@Table (  name = "cc2SITUATION")
@IdClass(SituationDA.SituationId.class)
public class SituationDA extends CashBaseEntity{
   
    @Id
    @Column(name="C2008SRL")
    private String CashBoxPeriodSerial;
   
    @Id
    @Column(name="C2012TYPE")
    private short Type;

    public static class SituationId implements Serializable{
        private static final long serialVersionUID = 1L;
        public String CashBoxPeriodSerial;
        public short Type;
       
        public SituationId(){
           
        }
       
        public boolean equals(Object other){
            if (other instanceof SituationId) {
                final SituationId otherId = (SituationId)other;
                return ( 
otherId.CashBoxPeriodSerial.equals(this.CashBoxPeriodSerial) &&
otherId.Type == this.Type );
                }
                return false;   
        }
       
        public int hashCode() {
            return super.hashCode();
        }
    }
//getter setter removed for short post..
}

@Entity
@Table (name = "CF2VLUITEM")
public class ValuableItemDA extends CashBaseEntity{
    @Id
    @Column(name="C2001COD")
    private short Code;

//getter setter removed for short post..

}


Exception in thread "main" java.lang.NullPointerException
    at 
org.apache.openjpa.meta.ClassMetaData.validateAppIdClass(ClassMetaData.java:1883)
    at 
org.apache.openjpa.meta.ClassMetaData.validateIdentity(ClassMetaData.java:1840)
    at 
org.apache.openjpa.meta.ClassMetaData.validateMeta(ClassMetaData.java:1757)
    at org.apache.openjpa.meta.ClassMetaData.resolve(ClassMetaData.java:1630)
    at 
org.apache.openjpa.meta.MetaDataRepository.processBuffer(MetaDataRepository.java:717)
    at 
org.apache.openjpa.meta.MetaDataRepository.resolveMeta(MetaDataRepository.java:616)
    at 
org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepository.java:541)
    at 
org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:308)
    at org.apache.openjpa.enhance.PCEnhancer.<init>(PCEnhancer.java:249)
    at org.apache.openjpa.enhance.PCEnhancer.run(PCEnhancer.java:4502)
    at org.apache.openjpa.enhance.PCEnhancer.run(PCEnhancer.java:4449)
    at org.apache.openjpa.enhance.PCEnhancer$1.run(PCEnhancer.java:4419)
    at 
org.apache.openjpa.lib.conf.Configurations.launchRunnable(Configurations.java:726)
    at 
org.apache.openjpa.lib.conf.Configurations.runAgainstAllAnchors(Configurations.java:716)
    at org.apache.openjpa.enhance.PCEnhancer.run(PCEnhancer.java:4414)
    at org.apache.openjpa.enhance.PCEnhancer.main(PCEnhancer.java:4405)



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