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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-8701" style="color: #3b73af; text-decoration: none"><img src="https://hibernate.atlassian.net/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-8701" style="color: #3b73af; text-decoration: none">HHH-8701</a>
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<td style="vertical-align: top;; padding: 0px; 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-8701" style="color: #3b73af; text-decoration: none">NPE when using the TYPE keyword</a> </span>
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Issue Type:
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Affects Versions:
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4.2.7.SP1
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Assignee:
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Unassigned
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Components:
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query-hql
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Created:
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15/Nov/13 7:45 AM
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Environment:
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Using hsqldb.
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Labels:
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hibernate type inheritance
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Priority:
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Reporter:
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="scutaru" id="email_scutaru" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=scutaru" style="color:#6c797f;; color: #3b73af; text-decoration: none">Ionut Scutaru</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I tried to use the TYPE keyword in hibernate with the following test:</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"><a href="https://github.com/scutaru/trainingjpa/blob/master/trainingjpa/src/test/java/ro/scutaru/trainingjpa/employee/domain/EmployeeInheritanceTest.java" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/scutaru/trainingjpa/blob/master/trainingjpa/src/test/java/ro/scutaru/trainingjpa/employee/domain/EmployeeInheritanceTest.java</a></p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Test: exampleSelectingRegularEmployeesUsingTypeKeyword()</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I get the following exception:</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">java.lang.NullPointerException<br /> at org.hibernate.hql.internal.ast.tree.MethodNode.typeDiscriminator(MethodNode.java:86)<br /> at org.hibernate.hql.internal.ast.tree.MethodNode.resolve(MethodNode.java:67)<br /> at org.hibernate.hql.internal.ast.HqlSqlWalker.processFunction(HqlSqlWalker.java:1008)<br /> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.functionCall(HqlSqlBaseWalker.java:2612)<br /> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.expr(HqlSqlBaseWalker.java:1338)<br /> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.exprOrSubquery(HqlSqlBaseWalker.java:4426)<br /> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.comparisonExpr(HqlSqlBaseWalker.java:3922)<br /> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.logicalExpr(HqlSqlBaseWalker.java:2076)<br /> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.whereClause(HqlSqlBaseWalker.java:794)<br /> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:595)<br /> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:299)<br /> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:247)<br /> at org.hibernate.hql.internal.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:250)<br /> at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:185)<br /> at org.hibernate.hql.internal.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:138)<br /> at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:105)<br /> at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:80)<br /> at org.hibernate.engine.query.spi.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:168)<br /> at org.hibernate.internal.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:221)<br /> at org.hibernate.internal.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:199)<br /> at org.hibernate.internal.SessionImpl.createQuery(SessionImpl.java:1784)<br /> at org.hibernate.ejb.AbstractEntityManagerImpl.createQuery(AbstractEntityManagerImpl.java:291)<br /> at ro.scutaru.trainingjpa.employee.domain.EmployeeInheritanceTest.exampleSelectingRegularEmployeesUsingTypeKeyword(EmployeeInheritanceTest.java:49)<br /> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br /> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)<br /> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)<br /> at java.lang.reflect.Method.invoke(Method.java:597)<br /> at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)<br /> at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)<br /> at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)<br /> at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)<br /> at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)<br /> at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)<br /> at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)<br /> at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)<br /> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)<br /> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)<br /> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)<br /> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)<br /> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)<br /> at org.junit.runners.ParentRunner.run(ParentRunner.java:236)<br /> at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)<br /> at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)<br /> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)<br /> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)<br /> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)<br /> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)</p>
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