Resteasy Bean Validation Not Being Invoked, again

Resteasy Bean Validation Not Being Invoked, again

By : user2954402
Date : November 22 2020, 01:01 AM
hop of those help? I believe, but not 100% sure, that the issue is that you're missing @Valid on the MyBean parameter. I would also recommend to make it a separate class, rather than a static class.
Per the spec, validation constraints on methods where the object is a complex object need to have the parameter annotated @Valid to ensure that the constraints are cascaded.
code :

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How to catch RESTEasy Bean Validation Errors?

How to catch RESTEasy Bean Validation Errors?

By : vasavi gopal
Date : March 29 2020, 07:55 AM
around this issue I am developing a simple RESTFul service using JBoss-7.1 and RESTEasy. I have a REST Service, called CustomerService as follows: , You should use exception mapper. Example:
code :
public class ValidationExceptionMapper implements ExceptionMapper<javax.validation.ConstraintViolationException> {

    public Response toResponse(javax.validation.ConstraintViolationException cex) {
       Error error = new Error();
       error.setMessage("Whatever message you want to send to user. " + cex);
       return Response.entity(error).status(400).build(); //400 - bad request seems to be good choice
public class Error{
   private String message;
   //getter and setter for message field
RESTEasy, CDI, embedded Jetty, bean validation is ignored

RESTEasy, CDI, embedded Jetty, bean validation is ignored

By : Johannes Siig
Date : March 29 2020, 07:55 AM
hop of those help? 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.
Wildfly: ExceptionMapper not triggered with RestEasy JSR-303 Bean Validation

Wildfly: ExceptionMapper not triggered with RestEasy JSR-303 Bean Validation

By : jursetto
Date : March 29 2020, 07:55 AM
hop of those help? It's not always the case that your ExceptionMapper will catch all exception under the Exception hierarchy. If there is another more specific mapper, say one for RuntimeException, that mapper will be used for all exception of RuntimeException and its subtypes.
That being said (assuming you're using resteasy-validation-provider-11), there is already a ResteasyViolationExceptionMapper that handles ValidationException.
code :
public class ResteasyViolationExceptionMapper 
        implements ExceptionMapper<ValidationException>
      "message":"size must be between 2 and 2147483647",
public class MyValidationMapper
        implements ExceptionMapper<ResteasyViolationException> {

    public Response toResponse(ResteasyViolationException e) {

Resteasy Bean Validation Not Working on Remote Server

Resteasy Bean Validation Not Working on Remote Server

By : Samuel Gizaw
Date : March 29 2020, 07:55 AM
hop of those help? Since you are using Jetty as standalone server, you have to define RESTEasy validation providers where you define ServletContextHandler. Note that in standalone server there is no container to scan for @Provider classes and to activate them, so you must do it manually.
I expect that you create and start your server app something like:
code :
//create a server listening at some port
Server server= new Server(port);

//add server handlers
HandlerList handlers= new HandlerList();

//start the server
public void initHandlers(List<HandlerList> handlers) {
    //define root context handler
    ServletContextHandler servletContextHandler= new ServletContextHandler(ServletContextHandler.SESSIONS);

    //define RESTEasy handler
    ServletHolder restServlet= new ServletHolder(new HttpServlet30Dispatcher());

    //since this is a standalone server, somewhere you have to define RESTful services and Singletons
    restServlet.setInitParameter("javax.ws.rs.Application", "com.exampleapp.MyRestApplication");
    restServlet.setInitParameter("resteasy.servlet.mapping.prefix", "rest");

    servletContextHandler.addServlet(restServlet, "rest/*");
restServlet.setInitParameter("resteasy.providers", "org.jboss.resteasy.plugins.validation.ValidatorContextResolver,org.jboss.resteasy.api.validation.ResteasyViolationExceptionMapper");
When using @AssertTrue in methods, the method is invoked 4 times during validation (Bean Validation)

When using @AssertTrue in methods, the method is invoked 4 times during validation (Bean Validation)

By : doctor_hh
Date : March 29 2020, 07:55 AM
should help you out You should try using Hibernate Validator 6.0.2.Final (it's currently the latest available version). Next test does pass with this (latest) version of validator:
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