javax.persistence.PersistenceException: org.hibernate.property.access.spi.PropertyAccessException: Error accessing field [private java.lang.Integer org.hibernate.bugs.Coordinate.port_number] by reflection for persistent property [org.hibernate.bugs.Coordinate#port_number] : Port [coordinate=null, connection_id=1]
	at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:154)
	at org.hibernate.query.internal.AbstractProducedQuery.list(AbstractProducedQuery.java:1626)
	at org.hibernate.query.internal.AbstractProducedQuery.getSingleResult(AbstractProducedQuery.java:1665)
	at org.hibernate.bugs.JPAUnitTestCase.hhh123Test(JPAUnitTestCase.java:68)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
	at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
	at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.hibernate.property.access.spi.PropertyAccessException: Error accessing field [private java.lang.Integer org.hibernate.bugs.Coordinate.port_number] by reflection for persistent property [org.hibernate.bugs.Coordinate#port_number] : Port [coordinate=null, connection_id=1]
	at org.hibernate.property.access.spi.GetterFieldImpl.get(GetterFieldImpl.java:75)
	at org.hibernate.tuple.component.AbstractComponentTuplizer.getPropertyValue(AbstractComponentTuplizer.java:59)
	at org.hibernate.type.ComponentType.getPropertyValue(ComponentType.java:419)
	at org.hibernate.type.ComponentType.getHashCode(ComponentType.java:246)
	at org.hibernate.engine.spi.EntityUniqueKey.generateHashCode(EntityUniqueKey.java:67)
	at org.hibernate.engine.spi.EntityUniqueKey.<init>(EntityUniqueKey.java:48)
	at org.hibernate.type.ManyToOneType.resolve(ManyToOneType.java:288)
	at org.hibernate.engine.internal.TwoPhaseLoad$EntityResolver.lambda$static$0(TwoPhaseLoad.java:576)
	at org.hibernate.engine.internal.TwoPhaseLoad.initializeEntityEntryLoadedState(TwoPhaseLoad.java:221)
	at org.hibernate.engine.internal.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:155)
	at org.hibernate.engine.internal.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:126)
	at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:1201)
	at org.hibernate.loader.Loader.processResultSet(Loader.java:1009)
	at org.hibernate.loader.Loader.doQuery(Loader.java:967)
	at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:357)
	at org.hibernate.loader.Loader.doList(Loader.java:2868)
	at org.hibernate.loader.Loader.doList(Loader.java:2850)
	at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2682)
	at org.hibernate.loader.Loader.list(Loader.java:2677)
	at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:540)
	at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:400)
	at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:218)
	at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1459)
	at org.hibernate.query.internal.AbstractProducedQuery.doList(AbstractProducedQuery.java:1649)
	at org.hibernate.query.internal.AbstractProducedQuery.list(AbstractProducedQuery.java:1617)
	... 36 more
Caused by: java.lang.IllegalArgumentException: Can not set java.lang.Integer field org.hibernate.bugs.Coordinate.port_number to org.hibernate.bugs.Port
	at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:167)
	at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:171)
	at sun.reflect.UnsafeFieldAccessorImpl.ensureObj(UnsafeFieldAccessorImpl.java:58)
	at sun.reflect.UnsafeObjectFieldAccessorImpl.get(UnsafeObjectFieldAccessorImpl.java:36)
	at java.lang.reflect.Field.get(Field.java:393)
	at org.hibernate.property.access.spi.GetterFieldImpl.get(GetterFieldImpl.java:71)
	... 60 more`