title: ValidationException when @Autowired-ing a DAO
body: <p>I'm trying to add JPA support for my app however, I'm getting this error:</p>
  
  <pre><code>Caused by: javax.validation.ValidationException: Unable to find a default provider
      at javax.validation.Validation$GenericBootstrapImpl.configure(Validation.java:264)
      at org.springframework.validation.beanvalidation.LocalValidatorFactoryBean.afterPropertiesSet(LocalValidatorFactoryBean.java:183)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1477)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1417)
      ... 37 more
  </code></pre>
  
  <p>Although I have these jars in the WEB-INF/lib folder:</p>
  
  <pre><code>validation-api-1.0.0.GA.jar
  validation-api-1.0.0.GA-sources.jar
  </code></pre>