See the testcase attached .
This query will fail on 5.2.12 and 5.0.14 when it was fine on 5.0.12 (this was found during upgrade to Spring boot 2 from 1.5.7). Change the POM to see both tests working on 5.0.12. <version.org.hibernate>5.2.14.Final</version.org.hibernate> <!--<version.org.hibernate>5.0.12.Final</version.org.hibernate>-->
I marked it minor because there is an easy workaround (rename the Enum to not start with caps). I wanted to report it anyway just in case other people hit it and it takes quite a bit of investigation to isolate the problem. I guess it could have other ramifications as well.
p.s. thanks for the great product!
StackTrace {noformat} 2018-03-25 15:05:15 ERROR DriverManagerConnectionProviderImpl:332 - Connection leak detected: there are 1 unclosed connections upon shutting down pool jdbc:h2:mem:db1;DB_CLOSE_DELAY=-1 Tests run: 2, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 2.924 sec <<< FAILURE! capsTest_WillFailOn_5_2_14(org.hibernate.bugs.JPAUnitTestCase) Time elapsed: 0.142 sec <<< ERROR! java.lang.IllegalArgumentException: org.hibernate.hql.internal.ast.QuerySyntaxException: Invalid path: 'org.hibernate.bugs.model.CAPSPhoneType.MOBILE' [SELECT new org.hibernate.bugs.model.PhoneTypeReport(p.id, value(p1), value(p2)) from org.hibernate.bugs.model.Person p LEFT JOIN p.capsPhoneType p1 ON KEY(p1) = org.hibernate.bugs.model.CAPSPhoneType.MOBILE LEFT JOIN p.capsPhoneType p2 ON KEY(p2) = org.hibernate.bugs.model.CAPSPhoneType.LAND_LINE ] at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:133) at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:157) at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:164) at org.hibernate.internal.AbstractSharedSessionContract.createQuery(AbstractSharedSessionContract.java:670) at org.hibernate.internal.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:23) at org.hibernate.bugs.JPAUnitTestCase.capsTest_WillFailOn_5_2_14(JPAUnitTestCase.java:51) 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:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) 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.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252) at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141) at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189) at org.apache.maven.surefire.booter.ProviderFactory$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.hql.internal.ast.QuerySyntaxException: Invalid path: 'org.hibernate.bugs.model.CAPSPhoneType.MOBILE' [SELECT new org.hibernate.bugs.model.PhoneTypeReport(p.id, value(p1), value(p2)) from org.hibernate.bugs.model.Person p LEFT JOIN p.capsPhoneType p1 ON KEY(p1) = org.hibernate.bugs.model.CAPSPhoneType.MOBILE LEFT JOIN p.capsPhoneType p2 ON KEY(p2) = org.hibernate.bugs.model.CAPSPhoneType.LAND_LINE ] at org.hibernate.hql.internal.ast.QuerySyntaxException.convert(QuerySyntaxException.java:74) at org.hibernate.hql.internal.ast.ErrorCounter.throwQueryException(ErrorCounter.java:91) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:272) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:189) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:141) at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:115) at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:77) at org.hibernate.engine.query.spi.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:153) at org.hibernate.internal.AbstractSharedSessionContract.getQueryPlan(AbstractSharedSessionContract.java:553) at org.hibernate.internal.AbstractSharedSessionContract.createQuery(AbstractSharedSessionContract.java:662) ... 33 more
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