NPE is thrown when an Embeddable object is set more than once to a managed
entity
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Key: OPENJPA-1890
URL: https://issues.apache.org/jira/browse/OPENJPA-1890
Project: OpenJPA
Issue Type: Bug
Reporter: Fay Wang
Assignee: Fay Wang
java.lang.NullPointerException
at
org.apache.openjpa.kernel.SingleFieldManager.dereferenceEmbedDependent(SingleFieldManager.java:432)
at
org.apache.openjpa.kernel.SingleFieldManager.delete(SingleFieldManager.java:317)
at
org.apache.openjpa.kernel.SingleFieldManager.dereferenceDependent(SingleFieldManager.java:294)
at
org.apache.openjpa.kernel.StateManagerImpl.settingObjectField(StateManagerImpl.java:2031)
at embeddable.Department.pcSetdepartmentEmbeddable(Department.java)
at embeddable.Department.setDepartmentEmbeddable(Department.java:62)
at embeddable.TestEmbeddable.testFind(TestEmbeddable.java:52)
where:
private DepartmentEmbeddable makeEmbeddable() {
DepartmentEmbeddable d1 = new DepartmentEmbeddable();
d1.setDeptname("name");
d1.setMgrno("qw");
return d1;
}
@Override
public void test() {
Department d = em.find(Department.class, "1");
DepartmentEmbeddable d2 = new DepartmentEmbeddable();
d.setDepartmentEmbeddable(makeEmbeddable());
d.setDepartmentEmbeddable(makeEmbeddable()); <== NPE is thrown
}
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