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<p style="margin: 10px 0 0 0">We have had this debate when we made Hibernate Validator pass the Bean Validation TCK. Let me try and explain our position.</p>
<p style="margin: 10px 0 0 0">I think the spec itself describes the state of the correct behavior. If only in spirit.<br /> The only framework causing trouble to date is Weld. We cannot reference a framework specific workaround in a spec. That's crossing the streams <img class="emoticon" src="https://hibernate.atlassian.net/images/icons/emoticons/smile.gif" height="16" width="16" align="absmiddle" alt="" border="0" /></p>
<p style="margin: 10px 0 0 0">We are left with one solution, make the Bean Validation implementors handle Weld (or their CDI implementation) proxies specifically. This is the approach the reference implementation (Hibernate Validator) has been following.<br /> I would highly prefer if you added this specific workaround for Weld proxies in Apache Bean Validator. You can do it without compile nor runtime link to Weld. Here is a link to how we did it in HV. <a href="https://github.com/hibernate/hibernate-validator/blob/master/engine/src/main/java/org/hibernate/validator/internal/util/classhierarchy/Filters.java#L46" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/hibernate/hibernate-validator/blob/master/engine/src/main/java/org/hibernate/validator/internal/util/classhierarchy/Filters.java#L46</a><br /> We also added this rule for the overriding of parameter constraints implied by the abusive annotation copy: <a href="https://github.com/hibernate/hibernate-validator/blob/master/engine/src/main/java/org/hibernate/validator/internal/metadata/aggregated/rule/OverridingMethodMustNotAlterParameterConstraints.java" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/hibernate/hibernate-validator/blob/master/engine/src/main/java/org/hibernate/validator/internal/metadata/aggregated/rule/OverridingMethodMustNotAlterParameterConstraints.java</a></p>
<p style="margin: 10px 0 0 0">We ended up with this approach as we thought it was the best solution for users: the rule is properly raising an exception if the user makes a mistake but we let Weld do weird things without complaining.</p>
<p style="margin: 10px 0 0 0">I have opened <a href="https://hibernate.atlassian.net/browse/BVAL-491" title="Consider offering a generic SPI to relax method constraint inheritance rules" class="issue-link" data-issue-key="BVAL-491" style="color: #3b73af; text-decoration: none">BVAL-491</a> to consider a SPI in the next version of the spec but that's not my preference as I mention in this issue.</p>
<p style="margin: 10px 0 0 0">BTW <a href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=jharting" class="user-hover" rel="jharting" style="color: #3b73af; text-decoration: none">Jozef Hartinger</a>, I am not following when you claim that you can't fix it. Last time I discussed this with Pete and all (back when we did BV 1.1), I remember that you guys planned to fix it in a future version. Can you explain why you cannot? Esp. on a CDI 2.0 timeframe?</p>
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