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POSpring MVC Hibernate Validator TypeMismatch Exception
 

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  1. POSpring MVC Hibernate Validator TypeMismatch Exception
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    <p>I'm using Spring MVC with Hibernate validator 4.2.0. have a ValidationMessages.properties on my class path in /WEB-INF/classes/ValidationMessages.properties:</p> <pre><code>typeMismatch.java.lang.Integer=Must specify an integer value. typeMismatch.int=Invalid number entered typeMismatch=Invalid type entered </code></pre> <p>This is made available as a bean in javaconfig:</p> <pre><code>@Configuration @EnableWebMvc public class WebApplicationConfiguration extends WebMvcConfigurerAdapter { ... @Bean public ReloadableResourceBundleMessageSource messageSource() { ReloadableResourceBundleMessageSource resourceBundleMessageSource = new ReloadableResourceBundleMessageSource(); resourceBundleMessageSource.setBasename("ValidationMessages"); return resourceBundleMessageSource; } ... </code></pre> <p>which is loading ValidationMessages.properties from the class path fine. My Controller:</p> <pre><code>@Controller public class myController { ... @InitBinder("myForm") protected void initUserBinder(WebDataBinder binder) { binder.setValidator(new CustomValidator()); } ... @ResponseBody @RequestMapping(value = "/ajax/myRequest", method = RequestMethod.POST) public CustomResponse ProcessAjaxRequest( @Valid @ModelAttribute final MyForm myForm, final BindingResult bindingResult) throws Exception { if (bindingResult.hasErrors()) { return new CustomResponse(bindingResult.getAllErrors()); } else { .. } } ... </code></pre> <p>And a custom validator:</p> <pre><code>public class CustomValidator implements Validator { @Override public boolean supports(Class c) { return MyForm.class.equals(c); } @Override public void validate(Object obj, Errors errors) { .. </code></pre> <p>Validation with my CustomValidator works fine (I insert the error messages manually, not using the message source), however for binding typeMismatch errors I get the exception:</p> <pre><code>Failed to convert property value of type 'java.lang.String' to required type 'java.lang.Integer' for property 'myField'; nested exception is java.lang.NumberFormatException: For input string: "A" </code></pre> <p>rather than the code from ValidationMessages.properties, so it looks as though the DataBinder (?) is not using my messageSource. I want the typeMismatch codes from my properties file rather than the exception message. I have also tried with ResourceBundleMessageSource instead of ReloadableResourceBundleMessageSource but that didn't make any difference. Any ideas?</p>
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