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

[Adam Warski (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-3736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Adam Warski resolved HHH-3736.
------------------------------

         Assignee: Adam Warski
       Resolution: Fixed
    Fix Version/s: 3.4

> Envers EntityInstantiator does not support private constructors for immutable entities
> --------------------------------------------------------------------------------------
>
>                 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
>            Assignee: Adam Warski
>             Fix For: 3.4
>
>         Attachments: envers-HHH-3736-fix.patch, envers-HHH-3736-testcase.patch
>
>
> 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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