There was an unexpected errorと出てしまいます。

Question

package jp.co.iterative.bus.backend.controller;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;

import jp.co.iterative.bus.backend.form.RouteForm;
import jp.co.iterative.bus.entity.RouteCustomized;
import jp.co.iterative.bus.entity.RouteExample;
import jp.co.iterative.bus.mapper.RouteCustomMapper;
@Controller
@RequestMapping("/routeList")
public class RouteListController {
@Autowired
private RouteCustomMapper routeCustomMapper;
@ModelAttribute
public RouteForm creatForm() {
return new RouteForm();
}
@RequestMapping("/index")
public String index(Model model) {
RouteExample routeExample = new RouteExample();
routeExample.setOrderByClause("id");
List<RouteCustomized> routeList = routeCustomMapper.selectByExample(routeExample);
model.addAttribute("routeList", routeList);
//System.out.println("RouteListController");
//System.out.println(routeList.size());
return "route/routeList";
}
@RequestMapping("/search")
public String search(String inputDate, Model model) {
//System.out.println(new Date(inputDate));
List<RouteCustomized> searchList = routeCustomMapper.selectByDate(inputDate);
model.addAttribute("routeList", searchList);
//System.out.println("RouteListController");
//System.out.println(searchList.size());
//System.out.println(searchList.get(0).getFinishName());
return "route/routeList";
}
}

jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@include file="/WEB-INF/jsp/common/define.jsp"%>
<jsp:include page="/WEB-INF/jsp/common/header.jsp"></jsp:include>

<script> function regist(){ let errorInputDateTag = document.getElementById("errInputDate"); errorInputDateTag.innerHTML = ""; if(document.fm.inputDate.value == ""){ errorInputDateTag.innerHTML = "入力してください。"; } else{ document.location.href = "http://localhost:9081/routeList/index"; } } </script> <div id="section"> <h2>路線一覧</h2> <div id="article"> <form action="/routeList/search" method="post" name="fm"> <input type="date" name="inputDate"> <span id="errInputDate" class = "error"></span> <input type="submit" value="絞り込み" onclick="regist()"> </form> <form action="/routeInsert/input"> <input type="submit" value="新規登録"> </form> <table> <tr> <th>選択</th> <th>ID</th> <th>出発</th> <th>到着</th> <th>運航開始日</th> <th>運航終了日</th> <th>料金</th> <th>バスID</th> </tr> <c:forEach items="${routeList}" var="route"> <tr> <td><input type="radio" name="id" value="${route.id}" /></td> <td><c:out value="${route.id}"/></td> <td><c:out value="${route.startName}"/>(<fmt:formatDate pattern="HH:mm" value="${route.departureTime}"/>)</td> <td><c:out value="${route.finishName}"/>(<fmt:formatDate pattern="HH:mm" value="${route.arrivalTime}"/>)</td> <td><fmt:formatDate pattern="yyyy年MM月dd日" value="${route.runStartDate}"/></td> <td><fmt:formatDate pattern="yyyy年MM月dd日" value="${route.runEndDate}"/></td> <td><fmt:formatNumber pattern="\##,###" value="${route.price}"/></td> <td><c:out value="${route.busId}"/></td> </tr> </c:forEach> </table> <form action="/routeUpdate/input"> <input type="submit" value="変更"> </form> <form action="/routeDelete/confirm"> <input type="submit" value="削除"> </form> </div> </div> <jsp:include page="/WEB-INF/jsp/common/footer.jsp"></jsp:include>

Comments

[quickquip]

疑問点が書いてありません。エラーは全部書きましょう。何をしたときにエラーが出たのかすら伝わりません。

コードはコードとして読めるようにコードブロックを使いましょう。
https://teratail.com/help/question-tips#questionTips3-5-1 や https://teratail.com/help#about-markdown を参考に