<style>
/* Changing the layout to use less space for mobiles */
@media screen and (max-device-width: 480px), screen and (-webkit-min-device-pixel-ratio: 2) {
#email-body { min-width: 30em !important; }
#email-page { padding: 8px !important; }
#email-banner { padding: 8px 8px 0 8px !important; }
#email-avatar { margin: 1px 8px 8px 0 !important; padding: 0 !important; }
#email-fields { padding: 0 8px 8px 8px !important; }
#email-gutter { width: 0 !important; }
}
</style>
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<img id="email-avatar" src="https://secure.gravatar.com/avatar/d9a309e752899f2b345d5930823ce51f?d=mm&s=48" alt="" height="48" width="48" border="0" align="left" style="padding:0;margin: 0 16px 16px 0;" />
<div id="email-action" style="padding: 0 0 8px 0;font-size:12px;line-height:18px;">
<a class="user-hover" rel="michael.simons" id="email_michael.simons" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=michael.simons" style="color:#6c797f;">Michael Simons</a>
created <img src="https://hibernate.atlassian.net/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug"> <a style='color:#6c797f;text-decoration:none;' href='https://hibernate.atlassian.net/browse/HHH-8167'>HHH-8167</a>
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<div id="email-summary" style="font-size:16px;line-height:20px;padding:2px 0 16px 0;">
<a style='color:#6c797f;text-decoration:none;' href='https://hibernate.atlassian.net/browse/HHH-8167'><strong>Adding @NotNull to a @ManyToOne association with @JoinColumnsOrFormulas leads to ClassCastException</strong></a>
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<table border="0" cellpadding="0" cellspacing="0" style="padding:0;text-align:left;width:100%;" width="100%">
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<td id="email-gutter" style="width:64px;white-space:nowrap;"></td>
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<strong style="font-weight:normal;color:#505050;">Issue Type:</strong>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<img src="https://hibernate.atlassian.net/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug"> Bug
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<strong style="font-weight:normal;color:#505050;">Affects Versions:</strong>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
4.1.11 </td>
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<strong style="font-weight:normal;color:#505050;">Assignee:</strong>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
Unassigned
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<strong style="font-weight:normal;color:#505050;">Components:</strong>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
core, entity-manager </td>
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<strong style="font-weight:normal;color:#505050;">Created:</strong>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
10/Apr/13 1:45 AM
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<strong style="font-weight:normal;color:#505050;">Description:</strong>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<p style='margin-top:0;margin-bottom:10px;'>Given a mapping like</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<pre class="code-java">
@ManyToOne(fetch=FetchType.EAGER, optional=<span class="code-keyword">false</span>)
@JoinColumnsOrFormulas({
@JoinColumnOrFormula(formula=@JoinFormula(value=Titel.DOMAIN_FORMULA, referencedColumnName=<span class="code-quote">"rv_domain"</span>)),
@JoinColumnOrFormula(column=@JoinColumn(name=<span class="code-quote">"titel"</span>, referencedColumnName=<span class="code-quote">"rv_low_value"</span>))
})
@Fetch(FetchMode.JOIN)
@NotNull
<span class="code-keyword">private</span> Titel titel;
</pre>
</div></div>
<p style='margin-top:0;margin-bottom:10px;'>where Titel is a subtype of a DomainValue:</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<pre class="code-java">
@Entity
@DiscriminatorValue(Titel.DOMAIN)
<span class="code-keyword">public</span> class Titel <span class="code-keyword">extends</span> DomainValue {
<span class="code-keyword">private</span> <span class="code-keyword">static</span> <span class="code-keyword">final</span> <span class="code-object">long</span> serialVersionUID = 5804243997732685958L;
<span class="code-keyword">public</span> <span class="code-keyword">final</span> <span class="code-keyword">static</span> <span class="code-object">String</span> DOMAIN = <span class="code-quote">"TITEL"</span>;
<span class="code-keyword">public</span> <span class="code-keyword">final</span> <span class="code-keyword">static</span> <span class="code-object">String</span> DOMAIN_FORMULA = <span class="code-quote">"'"</span> + DOMAIN + <span class="code-quote">"'"</span>;
}
</pre>
</div></div>
<p style='margin-top:0;margin-bottom:10px;'>base class DomainValue</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<pre class="code-java">
@Entity
@Inheritance(strategy=InheritanceType.SINGLE_TABLE)
@Cacheable(<span class="code-keyword">true</span>)
@Cache(usage=CacheConcurrencyStrategy.READ_ONLY)
@Immutable
@Table(name=<span class="code-quote">"cg_ref_codes"</span>)
@IdClass(DomainValue.PrimaryKey.class)
@DiscriminatorColumn(name=<span class="code-quote">"rv_domain"</span>)
<span class="code-keyword">public</span> class DomainValue <span class="code-keyword">implements</span> Serializable {
...
}
</pre>
</div></div>
<p style='margin-top:0;margin-bottom:10px;'>the @NotNull leads to a class cast exception while starting the persistence unit:</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<pre class="code-java">
java.lang.ClassCastException: org.hibernate.mapping.Formula cannot be <span class="code-keyword">cast</span> to org.hibernate.mapping.Column
at org.hibernate.cfg.beanvalidation.TypeSafeActivator.applyNotNull(TypeSafeActivator.java:314) ~[hibernate-core-4.1.11.Final.jar:4.1.11.Final]
at org.hibernate.cfg.beanvalidation.TypeSafeActivator.applyConstraints(TypeSafeActivator.java:247) ~[hibernate-core-4.1.11.Final.jar:4.1.11.Final]
at org.hibernate.cfg.beanvalidation.TypeSafeActivator.applyDDL(TypeSafeActivator.java:209) ~[hibernate-core-4.1.11.Final.jar:4.1.11.Final]
at org.hibernate.cfg.beanvalidation.TypeSafeActivator.applyRelationalConstraints(TypeSafeActivator.java:186) ~[hibernate-core-4.1.11.Final.jar:4.1.11.Final]
at org.hibernate.cfg.beanvalidation.TypeSafeActivator.applyRelationalConstraints(TypeSafeActivator.java:158) ~[hibernate-core-4.1.11.Final.jar:4.1.11.Final]
at org.hibernate.cfg.beanvalidation.TypeSafeActivator.activate(TypeSafeActivator.java:110) ~[hibernate-core-4.1.11.Final.jar:4.1.11.Final]
</pre>
</div></div>
<p style='margin-top:0;margin-bottom:10px;'>Mapping seams to work, though. But i guess the validation isnt't in place.</p>
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<strong style="font-weight:normal;color:#505050;">Environment:</strong>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
Java 7, Spring 3.2
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<strong style="font-weight:normal;color:#505050;">Project:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<a style="color:#6c797f;" href="https://hibernate.atlassian.net/browse/HHH">Hibernate ORM</a>
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<strong style="font-weight:normal;color:#505050;">Priority:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<img src="https://hibernate.atlassian.net/images/icons/priorities/major.png" height="16" width="16" border="0" align="absmiddle" alt="Major"> Major
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<strong style="font-weight:normal;color:#505050;">Reporter:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<a class="user-hover" rel="michael.simons" id="email_michael.simons" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=michael.simons" style="color:#6c797f;">Michael Simons</a>
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