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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" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-12002" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-28eff1ec-9d12-400e-999a-8a6d85e9c354" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-12002" style="color: #3b73af; text-decoration: none">HHH-12002</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-12002" style="color: #3b73af; text-decoration: none">PESSIMISTIC_WRITE doesn't flush before execution</a> </span> </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Change By:</th>
<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="nguyenfilip" id="email_nguyenfilip" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=nguyenfilip" style="color:#6c797f;; color: #3b73af; text-decoration: none">Filip Nguyen</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">Code [0] fails with [1]. I am just trying to pesimistically lock an entity in the same transaction where I created it. <br><br>Cause is that<br>1) Entity has SEQUENCE id generator, Hibernate doesn't flush before the find() nor before the lock(). <br>2) With PESSIMISTIC_WRITE Hibernate has to issue SELECT FOR UPDATE.<br><br>Because entity is not inserted at the time of the SELECT FOR UPDATE, the find/lock fails....<br><br>Currently I workaround this by flushing before acquiring the pessimistic lock.<br><br><br>[0]<br>{</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">noformat</span> <span class="diffaddedchars" style="background-color:#ddfade;">code:java</span> <span class="diffcontext">}<br>package cz.nguyen;<br><br>import java.sql.SQLException;<br><br>import javax.persistence.*;<br>public class Main {<br> private static EntityManagerFactory emf;<br><br> @Entity<br> public static class Employee {<br><br> @Id<br> @GeneratedValue(strategy = GenerationType.SEQUENCE)<br> private Long id;<br><br> }<br><br> public static void main(String[] args) throws SQLException {<br> emf = Persistence.createEntityManagerFactory("default");<br> EntityManager em = emf.createEntityManager();<br> em.getTransaction().begin();<br> Employee e = new Employee();<br> em.persist(e);<br><br> em.find(Employee.class, 1l, LockModeType.PESSIMISTIC_WRITE);<br> // Same behavior with:<br> // em.lock(e, LockModeType.PESSIMISTIC_WRITE);<br> em.close();<br> emf.close();<br> }<br><br>}<br><br>{</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>[1]<br>{noformat}<br>Exception in thread "main" javax.persistence.OptimisticLockException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect) : [cz.nguyen.entity.Employee#1]<br> at org.hibernate.internal.ExceptionConverterImpl.wrapStaleStateException(ExceptionConverterImpl.java:202)<br> at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:88)<br> at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:176)<br> at org.hibernate.internal.SessionImpl.find(SessionImpl.java:3431)<br> at org.hibernate.internal.SessionImpl.find(SessionImpl.java:3381)<br> at cz.nguyen.Main.main(Main.java:27)<br>Caused by: org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect) : [cz.nguyen.entity.Employee#1]<br> at org.hibernate.dialect.lock.PessimisticWriteSelectLockingStrategy.lock(PessimisticWriteSelectLockingStrategy.java:76)<br> at org.hibernate.persister.entity.AbstractEntityPersister.lock(AbstractEntityPersister.java:1802)<br> at org.hibernate.event.internal.AbstractLockUpgradeEventListener.upgradeLock(AbstractLockUpgradeEventListener.java:82)<br> at org.hibernate.event.internal.DefaultLoadEventListener.loadFromSessionCache(DefaultLoadEventListener.java:566)<br> at org.hibernate.event.internal.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:441)<br> at org.hibernate.event.internal.DefaultLoadEventListener.load(DefaultLoadEventListener.java:219)<br> at org.hibernate.event.internal.DefaultLoadEventListener.lockAndLoad(DefaultLoadEventListener.java:403)<br> at org.hibernate.event.internal.DefaultLoadEventListener.doOnLoad(DefaultLoadEventListener.java:124)<br> at org.hibernate.event.internal.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:89)<br> at org.hibernate.internal.SessionImpl.fireLoad(SessionImpl.java:1239)<br> at org.hibernate.internal.SessionImpl.access$1900(SessionImpl.java:203)<br> at org.hibernate.internal.SessionImpl$IdentifierLoadAccessImpl.doLoad(SessionImpl.java:2797)<br> at org.hibernate.internal.SessionImpl$IdentifierLoadAccessImpl.load(SessionImpl.java:2778)<br> at org.hibernate.internal.SessionImpl.find(SessionImpl.java:3407)<br> ... 2 more<br><br>{noformat}<br><br></span> </td>
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