尝试提交表单以创建新的竞价时，此错误会显示在浏览器中：
Whitelabel错误页面
此应用程序没有
/error的显式映射，所以您看到了 这是一个后备。2017年3月30日星期三21:00:15 BST 出现意外错误（type = Bad Request，status = 400） object ='auctionItem'的验证失败。错误计数：2
我似乎无法在日志中找到任何特定错误，因此我无法找到错误页面上显示的两个验证错误。我在这一点上很丢失。希望有人可以帮助我，这使我无法在此刻取得进展。
JSP文件：
<body id="product" class="product">
<header>
<%@include file="../jsp/Header.jsp" %>
</header>
<div>
<div class="container">
<div class ="row">
<div class="center_column">
<h2 style=" ">Create New Listing</h2>
<mvc:form class="form-inline" action="sell" method="post" modelAttribute="newAuction" id="addNewAuc">
<div class="form-inline" cssClass="TitleBlock">
<label class="control-label">Title</label>
<div>
<mvc:input path="aTitle" type="text" required="true" cssClass="Title" class="form-control" placeholder="Please enter title of item" maxlength="55" minlength="40"/>
</div>
</div>
<div class="form-group ">
<label class="control-label">Item Condition</label>
<div style="padding-top: 4px;">
<mvc:select path="aCondition">
<mvc:option value="New">New</mvc:option>
<mvc:option value="Used">Used</mvc:option>
</mvc:select>
</div>
</div>
<div class="form-group ">
<label class="control-label" style = "padding-left: 15px;">Can the item be returned?</label>
<div style="padding-top: 4px; padding-left: 15px;">
<mvc:select path="aReturns">
<mvc:option value="You can return">Yes</mvc:option>
<mvc:option value="Seller does not offer returns">No</mvc:option>
</mvc:select>
</div>
</div>
<div class="form-inline">
<label class="control-label">Description</label>
<div>
<mvc:textarea path="aDescription" required="true" cssClass="Desc" class="form-control" rows="3" name="Description" placeholder="Item description"/>
</div>
</div>
<div class="form-inline">
<label class="control-label">Category</label>
<div style="padding-top: 4px;">
<mvc:select path="categories">
<mvc:option value="category1">Electronics</mvc:option>
<mvc:option value="category2">Fashion</mvc:option>
<mvc:option value="category3">Home & Gardens</mvc:option>
<mvc:option value="category4">Toys & Games</mvc:option>
<mvc:option value="category5">Sports & Leisure</mvc:option>
</mvc:select>
</div>
</div>
<div class="form-inline">
<label class="control-label ">Minimum Price</label>
<div style="padding-top: 4px;">
<mvc:input path="aBottomPrice" type="number" step="any" required="true" class="form-control" placeholder="?"/>
</div>
</div>
<div class="form-inline">
<label class="control-label ">Starting Price</label>
<div style="padding-top: 4px;">
<mvc:input path="aTopPrice" type="number" step="any" required="true" class="form-control" placeholder="?"/>
</div>
</div>
<div class="form-inline">
<label class="control-label">End of listing</label>
<div style="padding-top: 4px;">
<mvc:input path="aEnd" type="text" id="datetimepicker" required="true" class="form-control" placeholder="YYYY-MM-DD"/>
</div>
</div>
</mvc:form>
<div class="form-inline">
<div style="padding-top: 10px;">
<button type="submit" name="submit" class="btn btn-success" form="addNewAuc">Next</button>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
AuctionItem类
@Entity
@Table(name = "auction_items")
public class AuctionItem {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private int idauction;
@Column(name = "auctionTitle")
private String aTitle;
@Column(name = "auctionDescription")
private String aDescription;
@Column(name = "auctionStatus")
private String aStatus;
@Column(name = "auctionStart")
private Date aStart;
@Column(name = "auctionEnd")
private Date aEnd;
private String endTimeAsString;
@Column(name = "auctionCondition")
private String aCondition;
@Column(name = "auctionTopPrice")
private double aTopPrice;
@Column(name = "auctionBottomPrice")
private double aBottomPrice;
private long auctionDuration;
private String aReturns;
@ManyToOne
@JoinColumn(name = "owner")
private User owner;
@ManyToOne
@JoinColumn(name = "cId")
private Category categories;
public long getAuctionDuration() {
return auctionDuration;
}
public void setAuctionDuration(long auctionDuration) {
this.auctionDuration = auctionDuration;
}
public int getaID() {
return idauction;
}
public void setaID(int idauction) {
this.idauction = idauction;
}
public String getaTitle() {
return aTitle;
}
public void setaTitle(String aTitle) {
this.aTitle = aTitle;
}
public String getaDescription() {
return aDescription;
}
public void setaDescription(String aDescription) {
this.aDescription = aDescription;
}
public String getaStatus() {
return aStatus;
}
public void setaStatus(String aStatus) {
this.aStatus = aStatus;
}
public Date getaStart() {
return aStart;
}
public void setaStart(Date aStart) {
this.aStart = aStart;
}
public Date getaEnd() {
return aEnd;
}
public void setaEnd(Date aEnd) {
this.aEnd = aEnd;
}
public String getaCondition() {
return aCondition;
}
public void setaCondition(String aCondition) {
this.aCondition = aCondition;
}
public double getaTopPrice() {
return aTopPrice;
}
public void setaTopPrice(double aTopPrice) {
this.aTopPrice = aTopPrice;
}
public double getaBottomPrice() {
return aBottomPrice;
}
public void setaBottomPrice(double aBottomPrice) {
this.aBottomPrice = aBottomPrice;
}
public User getOwner() {
return owner;
}
public void setOwner(User owner) {
this.owner = owner;
}
public String getaReturns() {
return aReturns;
}
public void setaReturns(String aReturns) {
this.aReturns = aReturns;
}
public Category getCategories() {
return categories;
}
public void setCategories(Category categories) {
this.categories = categories;
}
public String getEndTimeAsString() {
return endTimeAsString;
}
public void setEndTimeAsString(String EndTimeAsString) {
this.endTimeAsString = EndTimeAsString;
}
}
答案 0 :(得分：1)
也许你错过了Controller中的“BindingResult”。 例如：
import org.springframework.validation.BindingResult;
@RequestMapping(value = "/registration", method = RequestMethod.POST)
public String registration(
@ModelAttribute("userlogin") @Valid LoginProfile userlogin,
BindingResult userloginResult)