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From "Michael Dick (JIRA)" <j...@apache.org>
Subject [jira] Reopened: (OPENJPA-1890) NPE is thrown when an Embeddable object is set more than once to a managed entity
Date Tue, 30 Nov 2010 19:44:12 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-1890?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael Dick reopened OPENJPA-1890:
-----------------------------------


reopening to target for 2.0.2

> 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
>    Affects Versions: 2.0.1
>            Reporter: Fay Wang
>            Assignee: Fay Wang
>             Fix For: 2.0.2, 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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