RESTEasy，CDI，嵌入式Jetty，bean验证被忽略 [英] RESTEasy, CDI, embedded Jetty, bean validation is ignored

问题描述

我有一个Groovy项目，我使用RESTEasy和Weld并将其部署到嵌入式Jetty。我似乎无法工作的是bean验证。 RESTEasy文档说，添加 resteasy-validator-provider-11 以及hibernate验证器依赖项（ hibernate-validator，hibernate-validator-cdi，javax.el -api，javax.el ）就足够了。但是RESTEasy简单地忽略了bean验证。我好奇地也在日志中得到以下消息：

  plugins.validation.ValidatorContextResolver  - 无法找到支持ValidatorFactory的CDI。使用默认的ValidatorFactory 
  

基于[this] [1]文章的建议，我试着注册Hibernate InjectingConstraintValidatorFactory 在META-INF / validation.xml中，但它取决于一个正在被注入的BeanManager，并在运行时崩溃。

代码可以在这里找到 https://github.com / abhijitsarkar / groovy / tree / master / movie-manager / movie-manager-web

一个日志要点在这里： https://gist.github.com/anonymous/8947319

我已经尝试了一切在阳光下没有任何成功。请帮助。

解决方案

我终于解决了这个问题。事实证明，validation.xml并不是必需的， resteasy-cdi 模块在注册BeanManager方面做得很好。我遗漏的东西并没有清楚地记录在任何地方，如果一个注释放在一个方法上，验证引擎只是决定什么应该被验证。我在一个方法上放置了一个 @NotNull ，它正在验证返回类型，而不是参数。可以在某些情况下使用 validationAppliesTo 元素，但是 @NotNull 没有它。当我将它从方法移动到参数时，它开始工作。
现在我遇到了我认为是焊接错误的问题，但我会单独发布该问题。

I've a Groovy project where I use RESTEasy with Weld and deploy to embedded Jetty. What I can't seem to get working is bean validation. RESTEasy documentation says that adding resteasy-validator-provider-11 along with hibernate validator dependencies (hibernate-validator, hibernate-validator-cdi, javax.el-api, javax.el) is enough. But the bean validation is simply ignored by RESTEasy. I curiously also get the following message in the logs:

plugins.validation.ValidatorContextResolver - Unable to find CDI supporting ValidatorFactory. Using default ValidatorFactory

Based on the suggestions on [this][1] post, I tried registering Hibernate InjectingConstraintValidatorFactory in META-INF/validation.xml but it depends on a BeanManager being injected and blows up at runtime.

The code can be found here https://github.com/abhijitsarkar/groovy/tree/master/movie-manager/movie-manager-web

A log gist is here: https://gist.github.com/anonymous/8947319

I've tried everything under the sun without any success. Pls help.

解决方案

I finally fixed this. Turns out, a validation.xml is not really required, resteasy-cdi module does a fine job of registering the BeanManager. What I was missing and not clearly documented anywhere, is that if an annotation is placed on a method, the validation engine just "decides" what should be validated. I placed a @NotNull on a method and it was validating the return type, not the parameters. One can use validationAppliesTo element in some cases but @NotNull doesn't have it. When I moved it from the method to the parameter, it started working. Now I ran across what I believe is a Weld bug but I'll post that question separately.

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