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POorg.springframework.validation.BeanPropertyBindingResult
 

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  1. POorg.springframework.validation.BeanPropertyBindingResult
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    <p>Controller class-</p> <pre><code>@Controller @SessionAttributes({"id", "roleId"}) @RequestMapping("/User") public class UserController { @Autowired private UserService userv = null; @InitBinder("stdUser") private void initBinder(WebDataBinder binder) { System.out.println("1111======"+binder.getObjectName()); binder.setValidator(new NewUserValidator()); System.out.println("2222======"+binder.getObjectName()); } @RequestMapping(value = "/allUsers") public ModelAndView allUser(@ModelAttribute("userSetup")@Valid UserBean stdUser, BindingResult result, Map&lt;String, Object&gt; map, HttpSession session) { StdCheckAccessV chk = new StdCheckAccessV(); chk.setFexe(Screens.User.substring(Screens.User.lastIndexOf("/") + 1, Screens.User.length())); chk.setUid(Long.parseLong(session.getAttribute("id").toString().trim())); chk.setRid(Long.parseLong(session.getAttribute("roleId").toString().trim())); chk = userv.getAccess(chk); List&lt;StdUsers&gt; l = userv.getUsersList(); stdUser.setChkAccessV(chk); map.put("userList", l); return new ModelAndView(Screens.User); } @RequestMapping(value = "/submitUser") public ModelAndView addOrUpdate(@ModelAttribute("userSetup")@Valid UserBean stdUser, BindingResult result, HttpSession session, final RedirectAttributes redA) { try { int res = 0; Long id = stdUser.getStdUsers().getId(); if (result.hasErrors()) { System.out.println("///////result has errors " + result.toString()); return new ModelAndView("redirect:/User/allUsers"); } System.out.println("////////the id============"+id); if (id == null) { System.out.println("/////inside the if"); stdUser.getStdUsers().setUserGroupId(Long.parseLong(session.getAttribute("id").toString().trim())); stdUser.getStdUsers().setCreatedBy(Long.parseLong(session.getAttribute("id").toString().trim())); stdUser.getStdUsers().setCreationDate(new Date()); res = userv.submitUser(stdUser); } else { System.out.println("/////inside the else"); stdUser.getStdUsers().setUpdateDate(new Date()); stdUser.getStdUsers().setUpdatedBy(Long.parseLong(session.getAttribute("id").toString().trim())); res = userv.updateUser(stdUser); } } catch (Exception e) { System.out.println("////Exception in add or update method " + e); } return new ModelAndView("redirect:/User/allUsers"); //return "redirect:/User/allUsers"; }} </code></pre> <p>Validator class-</p> <pre><code>@Component public class NewUserValidator implements Validator { @Override public boolean supports(Class&lt;?&gt; userOb) { return UserBean.class.equals(userOb); } @Override public void validate(Object target, Errors errors) { try { UserBean user = (UserBean) target; if (user.getStdUsers().getUserName() == null) { ValidationUtils.rejectIfEmptyOrWhitespace(errors, "stdUsers.userName", "user.name.empty"); //errors.reject("stdUsers.userName", "User Name is mandatory"); } } catch (Exception e) { System.out.println(e); } } </code></pre> <p>} Bean Class-</p> <pre><code>public class UserBean { private @Valid StdUsers stdUsers; private @Valid StdCheckAccessV chkAccessV; private boolean listView = true; private String rePassword; getters and setters.... } </code></pre> <p>index.jsp-</p> <pre><code>&lt;body&gt; &lt;% session.setAttribute("id", 1); session.setAttribute("roleId", 1); %&gt; &lt;a href="User/allUsers.html"&gt;User&lt;/a&gt;&lt;br&gt; &lt;/body&gt; </code></pre> <p>CMN/STD100002.jsp page</p> <pre><code>&lt;td class="tdright"&gt;&lt;form:label path="stdUsers.userName"&gt;User Name&lt;em&gt;*&lt;/em&gt;&lt;/form:label&gt;&lt;/td&gt; &lt;td&gt;&lt;form:input path="stdUsers.userName"/&gt;&lt;/td&gt; &lt;td&gt;&lt;form:errors path="stdUsers.userName"&gt;&lt;/form:errors&gt;&lt;/td&gt; &lt;a href="#" name="btnsub" id="btnsub" onclick="submitUser()"&gt; &lt;table cellspacing="0" cellpadding="0" border="0"&gt; &lt;tr&gt; &lt;td width="25" height="24px" align="center"&gt; &lt;img src="${pageContext.servletContext.contextPath}/resources/images/Buttons/gray icon/Add.png" width="16" height="15" border="0" /&gt; &lt;/td&gt; &lt;td&gt;Submit&lt;/td&gt; &lt;td&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/a&gt; &lt;script type="text/javascript"&gt; function submitUser(){ document.form1.action="${pageContext.servletContext.contextPath}/User/submitUser"; document.form1.submit(); } &lt;/script&gt; </code></pre> <p>I am following a tutorial for using validation in spring as i am new for spring. On click of the submit button while leaving the <strong>User Name</strong> field empty, it should get validated with the message from Validator. When i tried to print the error in controller class by-</p> <pre><code>System.out.println("result has errors " + result.toString()); </code></pre> <p>it prints-</p> <pre><code>result has errors org.springframework.validation.BeanPropertyBindingResult: 1 errors </code></pre> <p>Please help, i am not getting where i am wrong.</p> <p>I used this code to check where is the error-</p> <pre><code>for (Object object : result.getAllErrors()) { if (object instanceof FieldError) { FieldError fieldError = (FieldError) object; System.out.println("the field errors::::::::::::::::"+fieldError.getCode()); } if (object instanceof ObjectError) { ObjectError objectError = (ObjectError) object; System.out.println("the object errors:::::::::"+objectError.getCode()); } } </code></pre> <p>and i found-</p> <pre><code>the field errors::::::::::::::::user.name.empty the object errors:::::::::user.name.empty ///////result has errors org.springframework.validation.BeanPropertyBindingResult: 2 errors Field error in object 'userSetup' on field 'stdUsers.userName': rejected value []; codes [user.name.empty.userSetup.stdUsers.userName,user.name.empty.stdUsers.userName,user.name.em pty.userName,user.name.empty.java.lang.String,user.name.empty]; arguments []; default message [null] </code></pre> <p>Since these two fields i am putting empty to check validation. If i will get these error on putting the fields empty then how can i validate them?</p> <p>StdUser-</p> <pre><code>@Entity @Table(name = "STD_USERS") @NamedQueries({ @NamedQuery(name = "StdUsers.findAll", query = "SELECT s FROM StdUsers s")}) public class StdUsers implements Serializable { private static final long serialVersionUID = 1L; @Id @GenericGenerator(name="generator",strategy="increment") @GeneratedValue(generator="generator") @Basic(optional = false) @Column(name = "ID", nullable = false) private Long id; @Basic(optional = false) @Column(name = "USER_NAME", nullable = false, length = 50) private String userName; setters and getters..... </code></pre> <p>Any one please reply.</p>
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    1. COI don't see where the problem is...
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      1. USPavel Horal
    2. COWhy don't you print out the binding result error instead of showing how many there are?
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      1. USSotirios Delimanolis
    3. CO@SotiriosDelimanolis Please check the edited part.
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