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: 1.0.2, 1.0.1, 1.0.0
Environment: sunjdk 1.6.0_02
Reporter: chenxiaohu
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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