[hibernate-issues] [JIRA] (HHH-16040) AssertionError for @JoinColumn with char[] property referencing a String property

Marco Belladelli ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=637b480... ) *updated* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiYTFlNTVlZTg4... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16040?atlOrigin=eyJpIjoiYTFlNT... ) HHH-16040 ( https://hibernate.atlassian.net/browse/HHH-16040?atlOrigin=eyJpIjoiYTFlNT... ) AssertionError for @JoinColumn with char[] property referencing a String property ( https://hibernate.atlassian.net/browse/HHH-16040?atlOrigin=eyJpIjoiYTFlNT... ) Change By: Marco Belladelli ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=637b480... ) When a {{@JoinColumn}} uses a {{char[]}} type property for referencing a {{String}} typed property in the associated class, the following error is thrown: {noformat}java.lang.AssertionError at org.hibernate.sql.exec.internal.JdbcParameterBindingImpl.<init>(JdbcParameterBindingImpl.java:20) at org.hibernate.sql.exec.spi.JdbcParameterBindings.lambda$registerParametersForEachJdbcValue$0(JdbcParameterBindings.java:99) at org.hibernate.metamodel.mapping.internal.BasicAttributeMapping.forEachDisassembledJdbcValue(BasicAttributeMapping.java:396) at org.hibernate.metamodel.mapping.Bindable.forEachJdbcValue(Bindable.java:147) at org.hibernate.sql.exec.spi.JdbcParameterBindings.registerParametersForEachJdbcValue(JdbcParameterBindings.java:92) at org.hibernate.sql.exec.spi.JdbcParameterBindings.registerParametersForEachJdbcValue(JdbcParameterBindings.java:82) at org.hibernate.loader.ast.internal.SingleUniqueKeyEntityLoaderStandard.load(SingleUniqueKeyEntityLoaderStandard.java:89) at org.hibernate.persister.entity.AbstractEntityPersister.loadByUniqueKey(AbstractEntityPersister.java:2610) at org.hibernate.persister.entity.AbstractEntityPersister.loadByUniqueKey(AbstractEntityPersister.java:2602) at org.hibernate.sql.results.graph.entity.internal.EntitySelectFetchByUniqueKeyInitializer.initializeInstance(EntitySelectFetchByUniqueKeyInitializer.java:75) at org.hibernate.sql.results.internal.StandardRowReader.coordinateInitializers(StandardRowReader.java:153) at org.hibernate.sql.results.internal.StandardRowReader.readRow(StandardRowReader.java:98) at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:198) at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33) at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:360) at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:168) at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.list(JdbcSelectExecutorStandardImpl.java:93) at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:31) at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$0(ConcreteSqmSelectQueryPlan.java:113) at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:325) at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:266) at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:519) at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:367) at org.hibernate.query.sqm.internal.QuerySqmImpl.list(QuerySqmImpl.java:1079) at org.hibernate.query.Query.getResultList(Query.java:96) at org.hibernate.bugs.JPAUnitTestCase.hhh15916Test(JPAUnitTestCase.java:67) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104) at java.base/java.lang.reflect.Method.invoke(Method.java:578) 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$3.evaluate(ParentRunner.java:306) at org.junit.runners.ParentRunner.run(ParentRunner.java:413) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69) at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38) at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11) at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35) at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:235) at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54){noformat} I’ve prepared a reproducer for the issue: [https://github.com/mbladel/hibernate-test-case-templates/tree/join-char-s...] . 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