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https://issues.apache.org/jira/browse/OPENJPA-1890?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fay Wang closed OPENJPA-1890.
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> NPE is thrown when an Embeddable object is set more than once to a managed
> entity
> ---------------------------------------------------------------------------------
>
> Key: OPENJPA-1890
> URL: https://issues.apache.org/jira/browse/OPENJPA-1890
> Project: OpenJPA
> Issue Type: Bug
> Reporter: Fay Wang
> Assignee: Fay Wang
> Fix For: 2.1.0
>
>
> 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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