[hibernate-issues] [Hibernate-JIRA] Created: (HHH-3736) Envers EntityInstantiator does not support private constructors for immutable entities

[Erik-Berndt Scheper (JIRA)]

Envers EntityInstantiator does not support private constructors for immutable entities
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                 Key: HHH-3736
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3736
             Project: Hibernate Core
          Issue Type: Bug
          Components: envers
    Affects Versions: 3.4
            Reporter: Erik-Berndt Scheper


Hibernate supports the use of private constructors in JPA, which is typically used for immutable entities.
Auditing of these entities works perfectly fine. However, retrieving audit records using getAuditReader().find leads to an IllegalAccessException in org.hibernate.envers.entities.EntityInstantiator

See attached test case to reproduce this.

Stack trace:
org.hibernate.envers.exception.AuditException: java.lang.IllegalAccessException: Class org.hibernate.envers.entities.EntityInstantiator can not access a member of class org.hibernate.envers.ebstest.entities.Country with modifiers "private"
	at org.hibernate.envers.entities.EntityInstantiator.createInstanceFromVersionsEntity(EntityInstantiator.java:85)
	at org.hibernate.envers.entities.EntityInstantiator.addInstancesFromVersionsEntities(EntityInstantiator.java:102)
	at org.hibernate.envers.query.impl.EntitiesAtRevisionQuery.list(EntitiesAtRevisionQuery.java:90)
	at org.hibernate.envers.query.impl.AbstractAuditQuery.getSingleResult(AbstractAuditQuery.java:104)
	at org.hibernate.envers.reader.AuditReaderImpl.find(AuditReaderImpl.java:103)
	at org.hibernate.envers.ebstest.integration.accesstype.ImmutableFieldAccessType.testHistoryOfId1(ImmutableFieldAccessType.java:50)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.testng.internal.MethodHelper.invokeMethod(MethodHelper.java:580)
	at org.testng.internal.Invoker.invokeMethod(Invoker.java:478)
	at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:617)
	at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:885)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:126)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:110)
	at org.testng.TestRunner.runWorkers(TestRunner.java:712)
	at org.testng.TestRunner.privateRun(TestRunner.java:582)
	at org.testng.TestRunner.run(TestRunner.java:477)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:324)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:319)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:292)
	at org.testng.SuiteRunner.run(SuiteRunner.java:198)
	at org.testng.TestNG.createAndRunSuiteRunners(TestNG.java:823)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:790)
	at org.testng.TestNG.run(TestNG.java:708)
	at org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:73)
	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:124)
Caused by: java.lang.IllegalAccessException: Class org.hibernate.envers.entities.EntityInstantiator can not access a member of class org.hibernate.envers.ebstest.entities.Country with modifiers "private"
	at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:65)
	at java.lang.Class.newInstance0(Class.java:344)
	at java.lang.Class.newInstance(Class.java:303)
	at org.hibernate.envers.entities.EntityInstantiator.createInstanceFromVersionsEntity(EntityInstantiator.java:83)
	... 27 more


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