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POSpring Validation with BindingResult attribute never hit the targeted controller method
 

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  1. POSpring Validation with BindingResult attribute never hit the targeted controller method
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    <p>I have a form that I submitted to upload file:</p> <pre><code>&lt;form id="uploadForm" action="#" method="POST" enctype="multipart/form-data"&gt; &lt;div class="instruction popup_inst"&gt; &lt;span class="popup_logo"&gt;[@spring.message "pandaLogo"/]&lt;/span&gt; &lt;div class="float_right"&gt; &lt;input type="button" id="cancelBtn" class="btn" onclick="closePopupFunctionality();" value="[@spring.message "cancelButton"/]" /&gt; &lt;input class="btn" type="submit" id="submit" onclick="validateFileInput();" value="[@spring.message "uploadButton"/]" /&gt; &lt;/div&gt; &lt;/div&gt; &lt;span class="popup_title"&gt;[@spring.message "uploadFile"/]&lt;/span&gt; &lt;div class="popup_container"&gt; [@spring.bind "assayAssessmentsRequestBean"/] [@spring.formInput path="assayAssessmentsRequestBean.designabilityFile.file" fieldType="file" attributes="title='path' class='upload' accept='.txt,.csv,.zip'" /] [@spring.formHiddenInput path="assayAssessmentsRequestBean.dateOfAssessment" attributes="" /] [@spring.formHiddenInput path="assayAssessmentsRequestBean.id" attributes="" /] [@spring.showErrors " " "error" /] &lt;/div&gt; &lt;input id="uploadfile" type="hidden" value="${uploadfile}"/&gt; &lt;/form&gt; </code></pre> <p>this form hits the following method in controller:</p> <pre><code>@RequestMapping(value = "/uploadFile",method= RequestMethod.POST) public ModelAndView uploadFile(@ModelAttribute(value = "assayAssessmentsRequestBean")AssayAssessmentsRequestBean assayAssessmentsRequestBean,HttpSession session,BindingResult result) throws PanDaApplicationException { //mycode } </code></pre> <p>what happen is that the method never called and when I remove the BindingResult attribute the method is invoked.</p> <p>I tried another approach which is having BeanPropertyBindingResult attribute and pass target object to be validated and it works but never return errors.</p> <pre><code>@RequestMapping(value = "/uploadFile",method= RequestMethod.POST) public ModelAndView uploadFile(@ModelAttribute(value = "assayAssessmentsRequestBean")AssayAssessmentsRequestBean assayAssessmentsRequestBean,HttpSession session/*,BindingResult result*/) throws PanDaApplicationException { logger.info(assayAssessmentsRequestBean.getDesignabilityFile().getFile()); BindingResult result=new BeanPropertyBindingResult(assayAssessmentsRequestBean.getDesignabilityFile(),"designabilityFile"); </code></pre>
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    1. USFranz Kafka
    1. USMuhammad Ramahy
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