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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-9566" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-d6686bf8-ce71-4de4-bcac-27ad28303de4" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-9566" style="color: #3b73af; text-decoration: none">HHH-9566</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-9566" style="color: #3b73af; text-decoration: none">TypeMismatchException when getting a 2nd-level cached entity through a lazy-to-one relation</a> </span>
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Issue Type:
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Affects Versions:
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4.3.8, 4.2.17
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Unassigned
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Attachments:
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provided-id-of-the-wrong-type-hibernate.zip
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Components:
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core
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Created:
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13/Jan/2015 06:25 AM
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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="anoseda" id="email_anoseda" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=anoseda" style="color:#6c797f;; color: #3b73af; text-decoration: none">Arthur Noseda</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The attached document is a stand-alone test case with HSQLDB 2.3.2, Hibernate 4.3.8.Final and ehcache 2.6.9, although the situation initially happened in an Oracle 10g / Hibernate 4.3.7.Final / ehcache 2.6.9 application.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">When an entity is cached and related to another through a lazy-to-one relation, getting this entity throws a TypeMismatchException.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">For example, with Order and OrderLine both instrumented and cached entities, OrderLine being related to Order through an @LazyToOne property, when executing these few lines,</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">List<OrderLine> orderLines = sess.createCriteria(OrderLine.class).list();<br /> for (OrderLine orderLine : orderLines) </p> { System.out.println(orderLine.getOrder()); }
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I get</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">org.hibernate.TypeMismatchException: Provided id of the wrong type for class demo.domain.Order. Expected: class java.lang.Long, got class org.hibernate.bytecode.instrumentation.spi.LazyPropertyInitializer$1<br /> at org.hibernate.event.internal.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:134)<br /> at org.hibernate.internal.SessionImpl.fireLoad(SessionImpl.java:1070)<br /> at org.hibernate.internal.SessionImpl.internalLoad(SessionImpl.java:989)<br /> at org.hibernate.type.EntityType.resolveIdentifier(EntityType.java:716)<br /> at org.hibernate.type.ManyToOneType.assemble(ManyToOneType.java:282)<br /> at org.hibernate.persister.entity.AbstractEntityPersister.initializeLazyPropertiesFromCache(AbstractEntityPersister.java:1333)<br /> at org.hibernate.persister.entity.AbstractEntityPersister.initializeLazyProperty(AbstractEntityPersister.java:1244)<br /> at org.hibernate.bytecode.instrumentation.spi.AbstractFieldInterceptor.intercept(AbstractFieldInterceptor.java:112)<br /> at org.hibernate.bytecode.instrumentation.internal.javassist.FieldInterceptorImpl.readObject(FieldInterceptorImpl.java:91)<br /> at demo.domain.OrderLine.$javassist_read_order(OrderLine.java)<br /> at demo.domain.OrderLine.getOrder(OrderLine.java:54)<br /> at demo.AppTest$2.doWithinTransaction(AppTest.java:47)<br /> at demo.utils.HibernateTemplate.execute(HibernateTemplate.java:21)<br /> at demo.AppTest.shouldFailToResolveEntityName(AppTest.java:41)</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">This is also the case when working with an EntityManager instead of an Hibernate Session.</p>
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