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Posted to dev@openjpa.apache.org by "Fay Wang (JIRA)" <ji...@apache.org> on 2009/02/04 18:29:59 UTC
[jira] Commented: (OPENJPA-873) @MappedSuperClass Cause Null
Pointer Exception in Class With IdClass
[ https://issues.apache.org/jira/browse/OPENJPA-873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12670382#action_12670382 ]
Fay Wang commented on OPENJPA-873:
----------------------------------
Test cases are checked into trunk r-740802, and openjpa1.3.x r-740804.
> @MappedSuperClass Cause Null Pointer Exception in Class With IdClass
> --------------------------------------------------------------------
>
> 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
> Assignee: Fay Wang
> Fix For: 1.3.0, 2.0.0
>
>
> This JIRA is open on behalf of pioneer_ip@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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