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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-9362" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-5f25e656-57f4-4fe0-9e1e-36fcb2072faf" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-9362" style="color: #3b73af; text-decoration: none">HHH-9362</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-9362" style="color: #3b73af; text-decoration: none">Wrong behavior for @PrePersist/@PreUpdate with entityManager.merge(...)</a> </span>
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Issue Type:
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Affects Versions:
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4.3.5
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Assignee:
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Unassigned
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Components:
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entity-manager
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Created:
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25/Aug/2014 05:40 AM
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Labels:
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hibernate
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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="Deepak Raut" id="email_Deepak Raut" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=Deepak+Raut" style="color:#6c797f;; color: #3b73af; text-decoration: none">Deepak Raut</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I have an entity class like -</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Code:<br /> public class Item {<br /> @Id<br /> //mapping<br /> private Long id;</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">@ElementCollection<br /> //mapping<br /> private Set<ItemWrapper> wrapperSet;</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">@Transient<br /> private Map<Item, Boolean> itemPredecessor;</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">..........<br /> ..........</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">@PrePersist<br /> @PreUpdate<br /> private void populateSet() {<br /> wrapperSet.clear(); <b>//itemPredecessor is empty here</b><br /> for(Map.Entry<Item, Boolean> entry : itemPredecessor.entrySet()) </p> { wrapperSet.add(...); }
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">}<br /> ..............<br /> }</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Code:<br /> @Embeddable<br /> public class PredecessorWrapper </p> { @Column(...) private Long dependingId; @Column(...) private Integer ignoreErrors; ....... }
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">What happens is when I call entityManager.merge(...) with newly instantiated object <span class="error">[entityState -> TRANSIENT]</span> with itemPredecessor map having some entries in it, hibernate invokes callback method populateSet() with copy of instance passed to merge() which doesn't contain itemPredecessor map with respective entries as itemPredecessor is marked @Transient. When I use entityManager.persist(), it works fine as with actual instance passed to persist() is used to invoke callback method.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Note-:<br /> I've debugged in 4.3.5 code base and found that in DefaultMergeEventListener, it does not copy properties which are marked with @Transient.</p>
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