[OPENJPA-873] @MappedSuperClass Cause Null Pointer Exception in Class With IdClass

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.2.0
• Fix Version/s: 1.0.4, 1.2.2, 1.3.0, 2.0.0-M2
• Assignee: Fay Wang
• Reporter: Fay Wang
• Created: 26/Jan/09 19:05
• Updated: 09/Mar/10 18:31
• Resolved: 04/Feb/09 17:30

Description

This JIRA is open on behalf of [e-mail].

@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)