<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>
<div id="email-body">
<table id="email-wrap" align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#f0f0f0;color:#000000;width:100%;">
<tr valign="top">
<td id="email-page" style="padding:16px !important;">
<table align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#ffffff;border:1px solid #bbbbbb;color:#000000;width:100%;">
<tr valign="top">
<td bgcolor="#3e4c4e" style="background-color:#3e4c4e;color:#ffffff;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;line-height:1;"><img src="https://www.jboss.org/dms/hibernate/images/jira/jiraheader_hibernate.png" alt="" style="vertical-align:top;" /></td>
</tr><tr valign="top">
<td id="email-banner" style="padding:32px 32px 0 32px;">
<table align="left" border="0" cellpadding="0" cellspacing="0" width="100%" style="width:100%;">
<tr valign="top">
<td style="color:#505050;font-family:Arial,FreeSans,Helvetica,sans-serif;padding:0;">
<img id="email-avatar" src="https://hibernate.onjira.com/secure/useravatar?avatarId=10162" 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="mgajdos" id="email_mgajdos" href="https://hibernate.onjira.com/secure/ViewProfile.jspa?name=mgajdos" style="color:#6c797f;">Michal Gajdos</a>
created <img src="https://hibernate.onjira.com/images/icons/bug.gif" height="16" width="16" border="0" align="absmiddle" alt="Bug"> <a style='color:#6c797f;text-decoration:none;' href='https://hibernate.onjira.com/browse/HV-656'>HV-656</a>
</div>
<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.onjira.com/browse/HV-656'><strong>MethodValidationContext.isReturnValueValidation throws NPE</strong></a>
</div>
</td>
</tr>
</table>
</td>
</tr>
<tr valign="top">
<td id="email-fields" style="padding:0 32px 32px 32px;">
<table border="0" cellpadding="0" cellspacing="0" style="padding:0;text-align:left;width:100%;" width="100%">
<tr valign="top">
<td id="email-gutter" style="width:64px;white-space:nowrap;"></td>
<td>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Issue Type:</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.onjira.com/images/icons/bug.gif" height="16" width="16" border="0" align="absmiddle" alt="Bug"> Bug
</td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Affects Versions:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
5.0.0.Alpha2 </td>
</tr>
<tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Assignee:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
Unassigned </td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Components:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
engine </td>
</tr>
<tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Created:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
07/Dec/12 4:54 AM
</td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Description:</strong>
</td>
<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;'>Constraint:</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<pre class="code-java">@NotNull
@Constraint(validatedBy = OneContact.Validator.class)
@Retention(RetentionPolicy.RUNTIME)
<span class="code-keyword">public</span> @<span class="code-keyword">interface</span> OneContact {
<span class="code-object">String</span> message() <span class="code-keyword">default</span> <span class="code-quote">"none or more than one contact"</span>;
<span class="code-object">Class</span><?>[] groups() <span class="code-keyword">default</span> {};
<span class="code-object">Class</span><? <span class="code-keyword">extends</span> Payload>[] payload() <span class="code-keyword">default</span> {};
<span class="code-keyword">public</span> class Validator <span class="code-keyword">implements</span> ConstraintValidator<OneContact, Bean> {
@Override
<span class="code-keyword">public</span> void initialize(<span class="code-keyword">final</span> OneContact nonRecursive) {
}
@Override
<span class="code-keyword">public</span> <span class="code-object">boolean</span> isValid(<span class="code-keyword">final</span> Bean validationBean, <span class="code-keyword">final</span> ConstraintValidatorContext constraintValidatorContext) {
<span class="code-keyword">if</span> (bean.getEmail() == <span class="code-keyword">null</span> && bean.getPhone() == <span class="code-keyword">null</span>) {
<span class="code-keyword">return</span> <span class="code-keyword">false</span>;
}
<span class="code-keyword">return</span> bean.getEmail() != <span class="code-keyword">null</span> || bean.getPhone() != <span class="code-keyword">null</span>;
}
}
}</pre>
</div></div>
<p style='margin-top:0;margin-bottom:10px;'>Bean:</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<pre class="code-java">@OneContact
<span class="code-keyword">public</span> class Bean {
@Email(regexp = <span class="code-quote">"[a-zA-Z0-9._%-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,4}"</span>)
<span class="code-keyword">private</span> <span class="code-object">String</span> email;
@Pattern(regexp = <span class="code-quote">"[0-9]{3,9}"</span>)
<span class="code-keyword">private</span> <span class="code-object">String</span> phone;
<span class="code-keyword">public</span> <span class="code-object">String</span> getEmail() {
<span class="code-keyword">return</span> email;
}
<span class="code-keyword">public</span> void setEmail(<span class="code-keyword">final</span> <span class="code-object">String</span> email) {
<span class="code-keyword">this</span>.email = email;
}
<span class="code-keyword">public</span> <span class="code-object">String</span> getPhone() {
<span class="code-keyword">return</span> phone;
}
<span class="code-keyword">public</span> void setPhone(<span class="code-keyword">final</span> <span class="code-object">String</span> phone) {
<span class="code-keyword">this</span>.phone = phone;
}
}</pre>
</div></div>
<p style='margin-top:0;margin-bottom:10px;'>Business method:</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<pre class="code-java"><span class="code-keyword">public</span> void validateValidBeanParamConstraint(@Valid <span class="code-keyword">final</span> Bean bean) {
<span class="code-comment">// ...
</span>}</pre>
</div></div>
<p style='margin-top:0;margin-bottom:10px;'>Invoke validation:</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<pre class="code-java"><span class="code-keyword">final</span> ValidatorFactory validatorFactory = Validation.buildDefaultValidatorFactory();
<span class="code-keyword">final</span> MethodValidator methodValidator = validatorFactory.getValidator().forMethods();
methodValidator.validateParameters(businessObject, businessMethod, <span class="code-keyword">new</span> Bean());</pre>
</div></div>
<p style='margin-top:0;margin-bottom:10px;'>throws:</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<pre class="code-java">java.lang.NullPointerException
        at org.hibernate.validator.internal.engine.MethodValidationContext.isReturnValueValidation(MethodValidationContext.java:213)
        at org.hibernate.validator.internal.engine.MethodValidationContext.createPathWithElementDescriptors(MethodValidationContext.java:130)
        at org.hibernate.validator.internal.engine.MethodValidationContext.createConstraintViolation(MethodValidationContext.java:107)
        at org.hibernate.validator.internal.engine.ValidationContext.createConstraintViolations(ValidationContext.java:250)
        at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateSingleConstraint(ConstraintTree.java:293)
        at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateConstraints(ConstraintTree.java:138)
        at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateConstraints(ConstraintTree.java:96)
        at org.hibernate.validator.internal.metadata.core.MetaConstraint.validateConstraint(MetaConstraint.java:85)
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraint(ValidatorImpl.java:479)
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForDefaultGroup(ValidatorImpl.java:428)
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForCurrentGroup(ValidatorImpl.java:391)
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateInContext(ValidatorImpl.java:343)
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateCascadedConstraint(ValidatorImpl.java:635)
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateCascadedConstraints(ValidatorImpl.java:517)
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateInContext(ValidatorImpl.java:352)
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateCascadedConstraint(ValidatorImpl.java:635)
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateCascadedConstraints(ValidatorImpl.java:517)
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateParametersForGroup(ValidatorImpl.java:985)
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateParametersInContext(ValidatorImpl.java:891)
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateParameters(ValidatorImpl.java:238)
        at org.hibernate.validator.internal.engine.ValidatorImpl.validateParameters(ValidatorImpl.java:207)</pre>
</div></div>
<p style='margin-top:0;margin-bottom:10px;'>When <tt>@OneContact</tt> is removed from <tt>Bean</tt> the problem goes away.</p>
</td>
</tr>
<tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<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.onjira.com/browse/HV">Hibernate Validator</a>
</td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<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.onjira.com/images/icons/priority_major.gif" height="16" width="16" border="0" align="absmiddle" alt="Major"> Major
</td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<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="mgajdos" id="email_mgajdos" href="https://hibernate.onjira.com/secure/ViewProfile.jspa?name=mgajdos" style="color:#6c797f;">Michal Gajdos</a>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td><!-- End #email-page -->
</tr>
<tr valign="top">
<td style="color:#505050;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:10px;line-height:14px;padding: 0 16px 16px 16px;text-align:center;">
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</td>
</tr>
</table><!-- End #email-wrap -->
</div><!-- End #email-body -->