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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?atlOrigin=eyJpIjoiYTMwZmZjYmJlOTc1NDQ5ZjhlMmQ1NjdkMjE4NjcxYWUiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-14072?atlOrigin=eyJpIjoiYTMwZmZjYmJlOTc1NDQ5ZjhlMmQ1NjdkMjE4NjcxYWUiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-7110082f-147a-4b18-907d-04ea64bcbe0b" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-14072?atlOrigin=eyJpIjoiYTMwZmZjYmJlOTc1NDQ5ZjhlMmQ1NjdkMjE4NjcxYWUiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">HHH-14072</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-14072?atlOrigin=eyJpIjoiYTMwZmZjYmJlOTc1NDQ5ZjhlMmQ1NjdkMjE4NjcxYWUiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">PersistenceException for "More than one row with the given identifier was found" Not raised when expected </a> </span> </td>
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<td class="has-icon" style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-avatar-7110082f-147a-4b18-907d-04ea64bcbe0b" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"> Bug </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">Affects Versions:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 5.4.0, 5.3.15 </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> Unassigned </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> hibernate-core </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">Created:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 14/Jun/2020 18:28 PM </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> core hibernate </td>
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<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="wafa.mlika92" style="color:#6c797f;; color: #3b73af; text-decoration: none" id="email_wafa.mlika92" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5ee6ae0a41f7000abb02fb3d"> wafa </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"> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0; margin-top: 0">For a OneToOne relationship, if the table associated with the owning side entity has 2 records related to the non-owning side entity, this should raise a PersistenceException, claiming that "More than one row with the given identifier was found", e.g.: </p>
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<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">class </span>EntityA {
@Id
@GeneratedValue
<span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">Long</span> id;
@OneToOne(mappedBy = <span class="code-quote" style="color: #009100">"entityA"</span>)
<span class="code-keyword" style="color: #000091">private</span> EntityB entityB;
<span class="code-comment" style="color: #808080">//...
</span>}
</pre>
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<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">class </span>EntityB {
@Id
@GeneratedValue
<span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">Long</span> id;
@OneToOne
@JoinColumn(name = <span class="code-quote" style="color: #009100">"ENTITY_A_ID"</span>, referencedColumnName = <span class="code-quote" style="color: #009100">"ID"</span>)
<span class="code-keyword" style="color: #000091">private</span> EntityA entityA;
@OneToMany(cascade = CascadeType.ALL, mappedBy = <span class="code-quote" style="color: #009100">"entityB"</span>, fetch = FetchType.EAGER)
<span class="code-keyword" style="color: #000091">private</span> List<EntityC> entityCS;
<span class="code-comment" style="color: #808080">//...
</span>}
</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">If EntityB has an association of type ToMany with eager fetching, this will bypass the duplicated foreign key references check for the OneToOne association with entity A, and the Exception will not be thrown</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">From The AbstractEntityOwner load method code, the exception will not be thrown if the Entity is a collection owner</p>
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<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-keyword" style="color: #000091">if</span> (<span class="code-keyword" style="color: #000091">this</span>.getCollectionOwners() != <span class="code-keyword" style="color: #000091">null</span>) {
<span class="code-keyword" style="color: #000091">return</span> list.get(0);
} <span class="code-keyword" style="color: #000091">else</span> {
<span class="code-keyword" style="color: #000091">throw</span> <span class="code-keyword" style="color: #000091">new</span> HibernateException(<span class="code-quote" style="color: #009100">"More than one row with the given identifier was found: "</span> + id + <span class="code-quote" style="color: #009100">", <span class="code-keyword" style="color: #000091; color: #009100">for</span> class: "</span> + <span class="code-keyword" style="color: #000091">this</span>.persister.getEntityName());
}
<span class="code-comment" style="color: #808080">//...</span>
</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">There is no check if different records from owning side entity references the same key of the non-owning side entity</p> </td>
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