Сообщество, необходима помощь!
Браузер выдает ошибку:
HTTP Status 500 - java.util.ArrayList cannot be cast to masters.User
________________________________________
type Exception report
message java.util.ArrayList cannot be cast to masters.User
description The server encountered an internal error that prevented it from fulfilling this request.
exception
java.lang.ClassCastException: java.util.ArrayList cannot be cast to masters.User
masters.masterservlet.MastersServlet.doGet(MastersServlet.java:52)
javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.56 logs.
________________________________________
Apache Tomcat/7.0.56
Мой Код
в index.jsp:
<script>
stationList = [
<c:forEach items="${usersB}" var="userB">
{"latlng":[<c:out value="${userB.barberlat}" />, <c:out value="${userB.barberlng}" />],
name:"<c:out value="${userB.barbername}" />",
url:"/MastersServlet?action=listUser&userId=<c:out value="${userB.barbername}"/>",
address:"Dostyk str"},
</c:forEach>
];
...
<script>
в Сервлете:
....
private static String INSERT_OR_EDITB = "user.jsp";
....
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String forward = "";
String action = request.getParameter("action");
else if (action.equalsIgnoreCase("listUser")) {
forward = INSERT_OR_EDITB;
String userId = request.getParameter("userId");
User user = (User) dao.getAllUsersM(userId);
request.setAttribute("user", user);
в DAO:
public List<User> getAllUsersM(String userId) {
List<User> users = new ArrayList<User>();
try {
PreparedStatement preparedStatement = connection.prepareStatement("select * from master_table where barbername=?");
preparedStatement.setString(1, userId);
ResultSet rs = preparedStatement.executeQuery();
while (rs.next()) {
User user = new User();
System.out.println(rs.getString("mastername"));
user.setMastername(rs.getString("mastername"));
user.setMasterlastname(rs.getString("masterlastname"));
user.setMastersphone(rs.getString("mastersphone"));
user.setMasteravatar(rs.getString("masteravatar"));
/* user.setMasteregistration(rs.getDate("masterregistration"));*/
users.add(user);
}
} catch (SQLException e) {
e.printStackTrace();
}
return users;
}
в user.jsp
<body>
<table border=1 style="width: 100%">
<thead>
<tr>
<th>name</th>
<th>avatar</th>
<th>lastname</th>
<th>phone</th>
</tr>
</thead>
<tbody>
<c:forEach items="${users}" var="user">
<tr style="cursor:pointer " onMouseOver="this.style.background='#FFCC33'" onMouseOut="this.style.background='white'"
onClick="window.open('MasterServlet?action=listUser&userId=<c:out value="${user.mastername}"/>','newwindow',
'width=600,height=650')">
<td><c:out value="${user.mastername}" /></td>
<td><c:out value="${user.masterlastname}" /></td>
<td><c:out value="${user.mastersphone}" /></td>
<td><c:out value="${user.masteravatar}" /></td>
</tr>
</c:forEach>
</tbody>
</table>
</body>