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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-9670" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-3d7dcf9a-f2d6-4ede-b708-917ee9f427dd" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-9670" style="color: #3b73af; text-decoration: none">HHH-9670</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-9670" style="color: #3b73af; text-decoration: none">OneToOne optional = false doesn't work with CascadeType.PERSIST</a> </span>
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Issue Type:
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Affects Versions:
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4.3.8
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Unassigned
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HibernateOneToOneMandatory.zip
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Created:
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20/Mar/2015 00:23 AM
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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="mih_vlad" id="email_mih_vlad" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=mih_vlad" style="color:#6c797f;; color: #3b73af; text-decoration: none">Mihalcea Vlad</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I have the following mapping:</p>
<ol>
<li>
A Parent Post entity
</li>
</ol> {Post:java}
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">@Entity(name = "Post")<br /> public class Post {</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"> @Id<br /> @GeneratedValue(strategy=GenerationType.AUTO)<br /> private Long id;</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"> private String name;</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"> @OneToOne(cascade = CascadeType.ALL, mappedBy = "post", optional = false, fetch = FetchType.LAZY)<br /> private PostDetails details;</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"> public String getName() </p> { return name; }
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"> public void setName(String name) </p> { this.name = name; }
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"> public PostDetails getDetails() </p> { return details; }
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"> public void addDetails(PostDetails details) </p> { this.details = details; details.setPost(this); }
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">}</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
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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">
# A Child PostDetails Entity
{PostDetails:java}
@Entity(name = <span class="code-quote" style="color: #009100">"PostDetails"</span>)
<span class="code-keyword" style="color: #000091">public</span> class PostDetails {
@Id
<span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">Long</span> id;
<span class="code-keyword" style="color: #000091">private</span> Date createdOn;
<span class="code-keyword" style="color: #000091">public</span> PostDetails() {
createdOn = <span class="code-keyword" style="color: #000091">new</span> Date();
}
@OneToOne(fetch = FetchType.LAZY)
@JoinColumn(name = <span class="code-quote" style="color: #009100">"id"</span>)
@MapsId
<span class="code-keyword" style="color: #000091">private</span> Post post;
<span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">Long</span> getId() {
<span class="code-keyword" style="color: #000091">return</span> id;
}
<span class="code-keyword" style="color: #000091">public</span> void setPost(Post post) {
<span class="code-keyword" style="color: #000091">this</span>.post = post;
}
}
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">When I try to cascade the persist operation from Post to PostDetails:</p> {Test:java}
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Post post = new Post();<br /> post.setName("Hibernate Master Class");<br /> post.addDetails(new PostDetails());<br /> session.persist(post);</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
<div class="codeContent panelContent" style="padding: 9px 12px">
<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
I get the following error:
{noformat}
org.hibernate.id.IdentifierGenerationException: <span class="code-keyword" style="color: #000091">null</span> id generated <span class="code-keyword" style="color: #000091">for</span>:class com.vladmihalcea.hibernate.masterclass.laboratory.cascade.CascadeLockTest$PostDetails
at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:119)
at org.hibernate.event.internal.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:206)
at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:149)
at org.hibernate.internal.SessionImpl.firePersist(SessionImpl.java:801)
at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:794)
at org.hibernate.engine.spi.CascadingActions$7.cascade(CascadingActions.java:314)
at org.hibernate.engine.internal.Cascade.cascadeToOne(Cascade.java:350)
at org.hibernate.engine.internal.Cascade.cascadeAssociation(Cascade.java:293)
at org.hibernate.engine.internal.Cascade.cascadeProperty(Cascade.java:161)
at org.hibernate.engine.internal.Cascade.cascade(Cascade.java:118)
at org.hibernate.event.internal.AbstractSaveEventListener.cascadeBeforeSave(AbstractSaveEventListener.java:432)
at org.hibernate.event.internal.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:265)
at org.hibernate.event.internal.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:194)
at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:125)
at org.hibernate.event.internal.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:206)
at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:149)
at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:75)
at org.hibernate.internal.SessionImpl.firePersist(SessionImpl.java:811)
at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:784)
at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:789)
{noformat}
If I make the association as optional:
{Post:java}
@OneToOne(cascade = CascadeType.ALL, mappedBy = <span class="code-quote" style="color: #009100">"post"</span>, optional = <span class="code-keyword" style="color: #000091">true</span>, fetch = FetchType.LAZY)
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The persist works properly.</p>
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