[hibernate-issues] [Hibernate-JIRA] Created: (HHH-5086) "ambiguous column" SQL errors in Hibernate 3.5.0 Final

[dnalos (JIRA)]

"ambiguous column" SQL errors in Hibernate 3.5.0 Final
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                 Key: HHH-5086
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5086
             Project: Hibernate Core
          Issue Type: Bug
          Components: core
    Affects Versions: 3.5.0-Final
         Environment: Java JDK 1.6.0_19
Hibernate Core 3.5.0 Final
hibernate-jpa-2.0-api-1.0.0.Final.jar
mysql-connector-java-5.1.10-bin.jar
            Reporter: dnalos
         Attachments: HibernateAmbiguousTest.zip

After update Hibernate Core to 3.5, we get some Exception like this:
Column '_value' in field list is ambiguous (JDBCExceptionReporter.java:101)

We create a testcase for you, and the Exception from the testcase:

ERROR 15:39:28 0    Column '_value' in field list is ambiguous (JDBCExceptionReporter.java:101)
org.hibernate.exception.ConstraintViolationException: could not load an entity: [Invoice#401]
	at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:96)
	at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
	at org.hibernate.loader.Loader.loadEntity(Loader.java:1937)
	at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:86)
	at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:76)
	at org.hibernate.persister.entity.AbstractEntityPersister.load(AbstractEntityPersister.java:3270)
	at org.hibernate.event.def.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:496)
	at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:477)
	at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:227)
	at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:285)
	at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:152)
	at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:1080)
	at org.hibernate.impl.SessionImpl.get(SessionImpl.java:997)
	at org.hibernate.impl.SessionImpl.get(SessionImpl.java:990)
	at HibernateAmbiguousTest.testAmbiguous(HibernateAmbiguousTest.java:55)
	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:597)
	at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:59)
	at org.junit.internal.runners.MethodRoadie.runTestMethod(MethodRoadie.java:98)
	at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:79)
	at org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:87)
	at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:77)
	at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:42)
	at org.junit.internal.runners.JUnit4ClassRunner.invokeTestMethod(JUnit4ClassRunner.java:88)
	at org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4ClassRunner.java:51)
	at org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4ClassRunner.java:44)
	at org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:27)
	at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:37)
	at org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRunner.java:42)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:45)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Column '_value' in field list is ambiguous
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
	at com.mysql.jdbc.Util.getInstance(Util.java:381)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1015)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3558)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3490)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1959)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2109)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2648)
	at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2077)
	at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2228)
	at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeQuery(NewProxyPreparedStatement.java:76)
	at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:208)
	at org.hibernate.loader.Loader.getResultSet(Loader.java:1849)
	at org.hibernate.loader.Loader.doQuery(Loader.java:718)
	at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:270)
	at org.hibernate.loader.Loader.loadEntity(Loader.java:1933)
	... 34 more


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