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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-8641" 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-8641" style="color: #3b73af; text-decoration: none">HHH-8641</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-8641" style="color: #3b73af; text-decoration: none">Bad resolving key with define referencedColumnName</a> </span>
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Issue Type:
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<td class="has-icon" style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <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" /> Bug
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Affects Versions:
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4.2.7
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Assignee:
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Unassigned
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Components:
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annotations, core
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Created:
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25/Oct/13 3:53 AM
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Environment:
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4.2.7.Final
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Priority:
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<td class="has-icon" style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="https://hibernate.atlassian.net/images/icons/priorities/major.png" height="16" width="16" border="0" align="absmiddle" alt="Major" style="vertical-align: text-bottom" /> Major
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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="jadron" id="email_jadron" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=jadron" style="color:#6c797f;; color: #3b73af; text-decoration: none">Martin Svoboda</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Configuration:</p>
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<b>Customer.java</b>
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<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
...
@ElementCollection
@CollectionTable(name=<span class="code-quote" style="color: #009100">"customer_preferences"</span>, joinColumns=@JoinColumn(name=<span class="code-quote" style="color: #009100">"user_id"</span>, referencedColumnName = <span class="code-quote" style="color: #009100">"login"</span>))
@AttributeOverrides({
@AttributeOverride(name=<span class="code-quote" style="color: #009100">"preferencesKey"</span>,
column=@Column(name=<span class="code-quote" style="color: #009100">"preferences_key"</span>)),
@AttributeOverride(name=<span class="code-quote" style="color: #009100">"preferencesValue"</span>,
column=@Column(name=<span class="code-quote" style="color: #009100">"preferences_value"</span>))
})
<span class="code-keyword" style="color: #000091">private</span> Set<CustomerPreferences> customerPreferencesSet = <span class="code-keyword" style="color: #000091">new</span> HashSet<CustomerPreferences>(0);
...
</pre>
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<b>CustomerPreferences.java</b>
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<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
@Embeddable
<span class="code-keyword" style="color: #000091">public</span> class CustomerPreferences{
...
}
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">When I define in @JoinColumn parametr <b>referencedColumnName</b>, I get exception: </p>
<blockquote style="margin: 10px 0 0 0; border-left: 1px solid #ccc; color: #707070; margin-left: 19px; padding: 10px 20px">
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">java.lang.ClassCastException: Customer cannot be cast to java.io.Serializable<br /> at org.hibernate.type.CollectionType.getKeyOfOwner(CollectionType.java:383)<br /> at org.hibernate.type.CollectionType.resolve(CollectionType.java:434)<br /> at org.hibernate.engine.internal.TwoPhaseLoad.doInitializeEntity(TwoPhaseLoad.java:168)<br /> at org.hibernate.engine.internal.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:137)<br /> at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:1108)<br /> at org.hibernate.loader.Loader.processResultSet(Loader.java:964)<br /> at org.hibernate.loader.Loader.doQuery(Loader.java:911)<br /> at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:342)<br /> at org.hibernate.loader.Loader.doList(Loader.java:2526)<br /> at org.hibernate.loader.Loader.doList(Loader.java:2512)<br /> at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2342)<br /> at org.hibernate.loader.Loader.list(Loader.java:2337)<br /> at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:124)<br /> at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1668)<br /> at org.hibernate.internal.CriteriaImpl.list(CriteriaImpl.java:374)</p>
</blockquote>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Problem is in class <b>CollectionType</b>, where is <b>id</b> allways rewrite. Check my comment in next code fragment <b>//IN THIS POINT</b> </p>
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<b>CollectionType.java</b>
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<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
...
<span class="code-keyword" style="color: #000091">public</span> Serializable getKeyOfOwner(<span class="code-object" style="color: #910091">Object</span> owner, SessionImplementor session) {
EntityEntry entityEntry = session.getPersistenceContext().getEntry( owner );
<span class="code-keyword" style="color: #000091">if</span> ( entityEntry == <span class="code-keyword" style="color: #000091">null</span> ) <span class="code-keyword" style="color: #000091">return</span> <span class="code-keyword" style="color: #000091">null</span>; <span class="code-comment" style="color: #808080">// This just handles a particular <span class="code-keyword" style="color: #000091; color: #808080">case</span> of component
</span> <span class="code-comment" style="color: #808080">// projection, perhaps get rid of it and <span class="code-keyword" style="color: #000091; color: #808080">throw</span> an exception
</span>
<span class="code-keyword" style="color: #000091">if</span> ( foreignKeyPropertyName == <span class="code-keyword" style="color: #000091">null</span> ) {
<span class="code-keyword" style="color: #000091">return</span> entityEntry.getId();
}
<span class="code-keyword" style="color: #000091">else</span> {
<span class="code-comment" style="color: #808080">// TODO: at the point where we are resolving collection references, we don't
</span> <span class="code-comment" style="color: #808080">// know <span class="code-keyword" style="color: #000091; color: #808080">if</span> the uk value has been resolved (depends <span class="code-keyword" style="color: #000091; color: #808080">if</span> it was earlier or
</span> <span class="code-comment" style="color: #808080">// later in the mapping document) - now, we could <span class="code-keyword" style="color: #000091; color: #808080">try</span> and use e.getStatus()
</span> <span class="code-comment" style="color: #808080">// to decide to semiResolve(), trouble is that initializeEntity() reuses
</span> <span class="code-comment" style="color: #808080">// the same array <span class="code-keyword" style="color: #000091; color: #808080">for</span> resolved and hydrated values
</span> <span class="code-object" style="color: #910091">Object</span> id;
<span class="code-keyword" style="color: #000091">if</span> ( entityEntry.getLoadedState() != <span class="code-keyword" style="color: #000091">null</span> ) {
id = entityEntry.getLoadedValue( foreignKeyPropertyName );
}
<span class="code-keyword" style="color: #000091">else</span> {
id = entityEntry.getPersister().getPropertyValue( owner, foreignKeyPropertyName );
}
<span class="code-comment" style="color: #808080">// IN THIS POINT IS ID SET, ISN'T RETURNED, IS REWRITED NEXT CODE
</span>
<span class="code-comment" style="color: #808080">// NOTE VERY HACKISH WORKAROUND!!
</span> <span class="code-comment" style="color: #808080">// TODO: Fix <span class="code-keyword" style="color: #000091; color: #808080">this</span> so it will work <span class="code-keyword" style="color: #000091; color: #808080">for</span> non-POJO entity mode
</span> Type keyType = getPersister( session ).getKeyType();
<span class="code-keyword" style="color: #000091">if</span> ( !keyType.getReturnedClass().isInstance( id ) ) {
id = (Serializable) keyType.semiResolve(
entityEntry.getLoadedValue( foreignKeyPropertyName ),
session,
owner
);
}
<span class="code-keyword" style="color: #000091">return</span> (Serializable) id;
}
}
...
</pre>
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