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<td id="page-title-pattern-first-line" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 16px"> <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-8477" 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" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-8477" style="color: #3b73af; text-decoration: none">HHH-8477</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" id="page-title-pattern-header-container"> <span id="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-8477" style="color: #3b73af; text-decoration: none">Use javax.persistence.Query#unwrap to implement addNamedQuery, rather than direct type checking</a> </span>
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Change By:
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding-left: 5px; vertical-align: top"> <a class="user-hover" rel="steve" id="email_steve" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=steve" style="color:#6c797f;; color: #3b73af; text-decoration: none">Steve Ebersole</a>
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<td class="text-paragraph-pattern-container mobile-resize-text" style="padding: 0px; border-collapse: collapse; padding: 0px"> <span class="diffaddedchars" style="background-color:#ddfade;">An app-server might wrap queries for various reasons. The initial report here actual came about because WildFly App Server does in fact wrap the {{javax.persistence.Query}} instances Hibernate produces in non-transactional cases.<br /><br />Currently Hibernate does a direct type check to implement {{javax.persistence.EntityManagerFactory#addNamedQuery}}, checking that the incoming query is of type org.hibernate.jpa.HibernateQuery. This fails when WildFly has wrapped the query.<br /><br />Same for the {{javax.persistence.StoredProcedureQuery}} branch inside {{#addNamedQuery}} too.<br /><br />Initial report:<br />----<br /><br /></span> <span class="diffcontext">Adding a named query at runtime:<br /><br />{code}<br /><br /> @PersistenceContext<br /> private EntityManager em;<br /><br /> @PostConstruct<br /> public void initNamedQuery()<br /> {<br /> em.getEntityManagerFactory().addNamedQuery("customersOrderByName",<br /> em.createQuery("from Customer c ORDER BY c.name DESC"));<br /> }{code}<br /><br />Results in:<br /><br />{code}<br />Caused by: javax.persistence.PersistenceException: Cannot use query non-Hibernate EntityManager query as basis for named query<br /> at org.hibernate.jpa.internal.EntityManagerFactoryImpl.addNamedQuery(EntityManagerFactoryImpl.java:367) [hibernate-entitymanager-4.3.0.Beta3.jar:4.3.0.Beta3]<br /> at org.javaee7.samples.jta.TestServlet.initNamedQuery(TestServlet.java:33) [classes:]<br /> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_21]<br /> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_21]<br /> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_21]<br /> at java.lang.reflect.Method.invoke(Method.java:601) [rt.jar:1.7.0_21]<br /> at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptorFactory$ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptorFactory.java:130)<br /> at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:309)<br /> at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53)<br /> at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:309)<br /> at org.jboss.as.ee.component.ManagedReferenceFieldInjectionInterceptorFactory$ManagedReferenceFieldInjectionInterceptor.processInvocation(ManagedReferenceFieldInjectionInterceptorFactory.java:115)<br /> at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:309)<br /> at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53)<br /> at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:309)<br /> at org.jboss.as.ee.component.AroundConstructInterceptorFactory$1.processInvocation(AroundConstructInterceptorFactory.java:28)<br /> at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:309)<br /> at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:55)<br /> at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:309)<br /> at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:325)<br /> at java.security.AccessController.doPrivileged(Native Method) [rt.jar:1.7.0_21]<br /> at org.jboss.invocation.PrivilegedInterceptor.processInvocation(PrivilegedInterceptor.java:75)<br /> at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:309)<br /> at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)<br /> at org.jboss.as.ee.component.BasicComponent.constructComponentInstance(BasicComponent.java:160)<br /> ... 34 more<br />{code}<br /><br />Example app (commit): https://github.com/lincolnthree/con4456-coding-ee-7-easy-easier/commit/9749b9e94f51a3c3bbdca144ed5c5637cc854f1a </span>
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