[hibernate-issues] [Hibernate-JIRA] Created: (HHH-5288) Envers auditReader.find() returns wrong data for embedded components using fields with default values

[Erik-Berndt Scheper (JIRA)]

Envers auditReader.find() returns wrong data for embedded components using fields with default values
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                 Key: HHH-5288
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5288
             Project: Hibernate Core
          Issue Type: Bug
          Components: envers
    Affects Versions: 3.5.2, 3.5.1, 3.5.0-Final
            Reporter: Erik-Berndt Scheper


I have found that using auditReader.find() to retrieve audit information for entities containing embedded components with default values. This is a regression issue (also occurs in 1.2.2.GA release of Envers - Hibernate 3.3 compatible, but did not occur not in 1.2.1 GA) that started occurring since HHH-3957.

Sample entity and embeddable: 
{code:title=DefaultValueComponentTestEntity.java|borderStyle=solid}
	@Id
	@GeneratedValue
	private Integer id;

	@Embedded
	@Audited
	@AttributeOverrides( { @AttributeOverride(name = "comp2.str1", column = @Column(name = "COMP2_STR1")) })
	private DefaultValueComponent1 comp1 = null;
{code}

{code:title=DefaultValueComponent1.java|borderStyle=solid}
	private String str1;

	@Embedded
	private DefaultValueComponent2 comp2 = new DefaultValueComponent2();
{code}

{code:title=DefaultValueComponent2.java|borderStyle=solid}
	private String str1 = "defaultValue";

	private String str2;
{code}


When I try to persist an instance of DefaultValueComponentTestEntity, with comp1 = null and subsequently call auditReader.find(), an instance is returned where:

{noformat} "defaultValue".equals(comp1.comp2.str1){noformat} 

(using java bean notation for simplicity).

I will attach a complete testcase. 

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