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Posted to dev@openjpa.apache.org by "chenxiaohu (JIRA)" <ji...@apache.org> on 2008/05/27 03:12:01 UTC

[jira] Resolved: (OPENJPA-523) Map mapping error when use DataCache

     [ https://issues.apache.org/jira/browse/OPENJPA-523?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

chenxiaohu resolved OPENJPA-523.
--------------------------------

       Resolution: Duplicate
    Fix Version/s: 1.1.0

Resolved with https://issues.apache.org/jira/browse/OPENJPA-589


> Map mapping error when use DataCache
> ------------------------------------
>
>                 Key: OPENJPA-523
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-523
>             Project: OpenJPA
>          Issue Type: Bug
>    Affects Versions: 1.0.0, 1.0.1, 1.0.2
>         Environment: sunjdk 1.6.0_02
>            Reporter: chenxiaohu
>             Fix For: 1.1.0
>
>         Attachments: mapbug.zip
>
>
> As the following two Entity A and B, a.getBMap() throws
> Exception in thread "main" <openjpa-1.0.2-r420667:627158 fatal user error> org.apache.openjpa.persistence.ArgumentException: Could not locate metadata for the class using oid "key=mapbug.B-51" of type "class java.util.HashMap$Entry".  Registered oid type mappings: "{class java.util.HashMap$Entry=null, class org.apache.openjpa.util.LongId=class mapbug.B}"
> when use DataCache
>          ====================
>             <property name="openjpa.DataCache" value="true"/>
>             <property name="openjpa.RemoteCommitProvider" value="sjvm"/>
>         ====================
> @Entity
> public class A {
>     ...    
>     @OneToMany(mappedBy="a", cascade=CascadeType.ALL, fetch=FetchType.LAZY)
>     @MapKey(name="key")
>     Map<String, B> bMap;
>    ...
> }
> @Entity
> public class B {
>     ...
>     @ManyToOne
>     @JoinColumn(name="a_id")
>     A a;
>     @Column(name="ky")
>     String key;
>     String value;
>    ...
> }

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