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<td class="page-title-pattern-first-line " style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiODMwNjgxZTUwY2ZjNDY0ZmIxYWM3ZjM2YzUzM2IzZmQiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-14125?atlOrigin=eyJpIjoiODMwNjgxZTUwY2ZjNDY0ZmIxYWM3ZjM2YzUzM2IzZmQiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-64b7d709-e97e-437d-b830-21b21c9e2dac" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-14125?atlOrigin=eyJpIjoiODMwNjgxZTUwY2ZjNDY0ZmIxYWM3ZjM2YzUzM2IzZmQiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">HHH-14125</a> </td>
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<td style="vertical-align: top;; padding: 0; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-14125?atlOrigin=eyJpIjoiODMwNjgxZTUwY2ZjNDY0ZmIxYWM3ZjM2YzUzM2IzZmQiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Selecting EntityCollection fails ("not an entity")</a> </span> </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="maurer.benjamin" style="color:#6c797f;; color: #3b73af; text-decoration: none" id="email_maurer.benjamin" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5f1862af1084620015f82ef2"> Benjamin M. </a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <span class="diffcontext">Selecting an @ElementCollection property via JPQL fails with an exception:<br><br>{code:sql}SELECT u.permissions FROM User u WHERE u.id = ?1{code}<br><br>throws: {{org.hibernate.QueryException: not an entity}}<br><br>Selecting a basic type or associated entity this way works as expected. Adding an explicit join fixes this:<br><br>{</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">noformat</span> <span class="diffaddedchars" style="background-color:#ddfade;">code:sql</span> <span class="diffcontext">}SELECT p FROM User u JOIN u.permissions p WHERE u.id = ?1{</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">noformat</span> <span class="diffaddedchars" style="background-color:#ddfade;">code</span> <span class="diffcontext">}<br><br>This *works*. The explicit JOIN is *not* needed for basic types and associated entities.<br><br>I've attached a test case using the Github hibernate/hibernate-test-case-templates, because I had some Gradle error when trying to build hibernate-orm directly. Which is a pitty, bc. I think this test could just be added to the existing [ElementCollection QueryTest|https://github.com/hibernate/hibernate-orm/blob/5.4.19/hibernate-core/src/test/java/org/hibernate/test/annotations/collectionelement/QueryTest.java] using the existing 'EntityWithAnElementCollection.class'.<br><br>Here is the complete Stack Trace for the test case:<br><br>{noformat}java.lang.IllegalArgumentException: org.hibernate.QueryException: not an entity [SELECT u.permissions FROM org.hibernate.bugs.SelectEntityCollectionTestCase$User u WHERE u.id = ?1]<br><br> at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:138)<br> at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:181)<br> at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:188)<br> at org.hibernate.internal.AbstractSharedSessionContract.createQuery(AbstractSharedSessionContract.java:713)<br> at org.hibernate.internal.AbstractSharedSessionContract.createQuery(AbstractSharedSessionContract.java:729)<br> at org.hibernate.internal.AbstractSharedSessionContract.createQuery(AbstractSharedSessionContract.java:103)<br> at org.hibernate.bugs.SelectEntityCollectionTestCase.hhh14125Test(SelectEntityCollectionTestCase.java:93)<br> at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br> at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)<br> at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)<br> at java.base/java.lang.reflect.Method.invoke(Method.java:566)<br> at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)<br> at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)<br> at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)<br> at org.hibernate.testing.junit4.ExtendedFrameworkMethod.invokeExplosively(ExtendedFrameworkMethod.java:45)<br> at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)<br> at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)<br> at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)<br> at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)<br> at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)<br> at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)<br> at java.base/java.lang.Thread.run(Thread.java:834)<br>Caused by: org.hibernate.QueryException: not an entity [SELECT u.permissions FROM org.hibernate.bugs.SelectEntityCollectionTestCase$User u WHERE u.id = ?1]<br> at org.hibernate.QueryException.generateQueryException(QueryException.java:120)<br> at org.hibernate.QueryException.wrapWithQueryString(QueryException.java:103)<br> at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:220)<br> at org.hibernate.hql.internal.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:144)<br> at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:118)<br> at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:78)<br> at org.hibernate.engine.query.spi.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:158)<br> at org.hibernate.internal.AbstractSharedSessionContract.getQueryPlan(AbstractSharedSessionContract.java:595)<br> at org.hibernate.internal.AbstractSharedSessionContract.createQuery(AbstractSharedSessionContract.java:704)<br> ... 18 more<br>Caused by: org.hibernate.QueryException: not an entity<br> at org.hibernate.hql.internal.ast.tree.FromElementType.renderIdentifierSelect(FromElementType.java:174)<br> at org.hibernate.hql.internal.ast.tree.FromElement.renderIdentifierSelect(FromElement.java:208)<br> at org.hibernate.hql.internal.ast.tree.SelectClause.renderNonScalarIdentifiers(SelectClause.java:464)<br> at org.hibernate.hql.internal.ast.tree.SelectClause.renderNonScalarSelects(SelectClause.java:424)<br> at org.hibernate.hql.internal.ast.tree.SelectClause.initializeExplicitSelectClause(SelectClause.java:247)<br> at org.hibernate.hql.internal.ast.HqlSqlWalker.useSelectClause(HqlSqlWalker.java:1018)<br> at org.hibernate.hql.internal.ast.HqlSqlWalker.processQuery(HqlSqlWalker.java:786)<br> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:677)<br> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:313)<br> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:261)<br> at org.hibernate.hql.internal.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:272)<br> at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:192)<br> ... 24 more<br>{noformat}</span> </td>
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