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トップに関する質問データベースのデータをarrayListを用いてjspに表示したい。

編集履歴

質問編集履歴

6

タイトル修正

2019/11/22 05:28

投稿

k7023
k7023

スコア9

test CHANGED
@@ -1 +1 @@
1
- らーのしょうデータベースのデータをarrayListを用いてjspに表示したい。
1
+ データベースのデータをarrayListを用いてjspに表示したい。
test CHANGED
File without changes

5

エラーの詳細について追記

2019/11/22 05:27

投稿

k7023
k7023

スコア9

test CHANGED
@@ -1 +1 @@
1
- データベースのデータをarrayListを用いてjspに表示したい。
1
+ らーのしょうデータベースのデータをarrayListを用いてjspに表示したい。
test CHANGED
@@ -10,7 +10,23 @@
10
10
 
11
11
  ```
12
12
 
13
+ type 例外レポート
14
+
15
+
16
+
17
+ メッセージ An exception occurred processing JSP page /html/list/list.jsp at line 61
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+
19
+
20
+
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+ 説明 The server encountered an internal error that prevented it from fulfilling this request.
22
+
23
+
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+
25
+ 例外
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+
27
+
28
+
13
- 重大: Servlet.service() for servlet [jsp] in context with path [/servlet_crud] threw exception [An exception occurred processing JSP page /html/list/list.jsp at line 61
29
+ org.apache.jasper.JasperException: An exception occurred processing JSP page /html/list/list.jsp at line 61
14
30
 
15
31
 
16
32
 
@@ -32,7 +48,73 @@
32
48
 
33
49
 
34
50
 
51
+ Stacktrace:
52
+
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+ org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:574)
54
+
55
+ org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:476)
56
+
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+ org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)
58
+
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+ org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)
60
+
61
+ javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
62
+
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+ org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
64
+
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+ jp.co.sss.crud.servlet.SelectAll.doGet(SelectAll.java:23)
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+
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+ javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
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+
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+ javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
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+
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+ org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
72
+
73
+ 原因
74
+
75
+
76
+
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+ javax.el.PropertyNotFoundException: Property 'empId' not found on type java.lang.String
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+
79
+ javax.el.BeanELResolver$BeanProperties.get(BeanELResolver.java:268)
80
+
81
+ javax.el.BeanELResolver$BeanProperties.access$300(BeanELResolver.java:221)
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+
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+ javax.el.BeanELResolver.property(BeanELResolver.java:355)
84
+
85
+ javax.el.BeanELResolver.getValue(BeanELResolver.java:95)
86
+
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+ org.apache.jasper.el.JasperELResolver.getValue(JasperELResolver.java:110)
88
+
35
- Stacktrace:] with root cause [金 11 22 11:29:48 JST 2019]
89
+ org.apache.el.parser.AstValue.getValue(AstValue.java:169)
90
+
91
+ org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:184)
92
+
93
+ org.apache.jasper.runtime.PageContextImpl.proprietaryEvaluate(PageContextImpl.java:943)
94
+
95
+ org.apache.jsp.html.list.list_jsp._jspService(list_jsp.java:197)
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+
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+ org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
98
+
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+ javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
100
+
101
+ org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438)
102
+
103
+ org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)
104
+
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+ org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)
106
+
107
+ javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
108
+
109
+ org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
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+
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+ jp.co.sss.crud.servlet.SelectAll.doGet(SelectAll.java:23)
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+
113
+ javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
114
+
115
+ javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
116
+
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+ org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
36
118
 
37
119
  ```
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120
 

4

Empクラスのソースの追加

2019/11/22 05:07

投稿

k7023
k7023

スコア9

test CHANGED
File without changes
test CHANGED
@@ -28,6 +28,12 @@
28
28
 
29
29
  64: <td>${emp.address}</td>
30
30
 
31
+
32
+
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+
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+
35
+ Stacktrace:] with root cause [金 11 22 11:29:48 JST 2019]
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+
31
37
  ```
32
38
 
33
39
  ```Emp

3

empの追加

2019/11/22 04:04

投稿

k7023
k7023

スコア9

test CHANGED
File without changes
test CHANGED
@@ -30,6 +30,138 @@
30
30
 
31
31
  ```
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32
 
33
+ ```Emp
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+
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+ package jp.co.sss.crud.bean;
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+
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+
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+
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+ import java.util.Date;
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+
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+
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+
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+ public class Emp {
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+
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+ private int empId;
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+
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+ private String empPass;
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+
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+ private String empName;
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+
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+ private int gender;
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+
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+ private String address;
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+
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+ private Date birthday;
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+
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+ private int authority;
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+
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+ private Dept dept;
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+
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+
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+
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+ public int getEmpId() {
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+
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+ return empId;
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+
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+ }
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+
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+ public void setEmpId(int empId) {
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+
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+ this.empId = empId;
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+
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+ }
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+
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+ public String getEmpPass() {
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+
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+ return empPass;
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+
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+ }
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+
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+ public void setEmpPass(String empPass) {
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+
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+ this.empPass = empPass;
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+
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+ }
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+
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+ public String getEmpName() {
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+
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+ return empName;
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+
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+ }
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+
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+ public void setEmpName(String empName) {
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+
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+ this.empName = empName;
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+
97
+ }
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+
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+ public int getGender() {
100
+
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+ return gender;
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+
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+ }
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+
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+ public void setGender(int gender) {
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+
107
+ this.gender = gender;
108
+
109
+ }
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+
111
+ public String getAddress() {
112
+
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+ return address;
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+
115
+ }
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+
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+ public void setAddress(String address) {
118
+
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+ this.address = address;
120
+
121
+ }
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+
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+ public Date getBirthday() {
124
+
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+ return birthday;
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+
127
+ }
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+
129
+ public void setBirthday(Date birthday) {
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+
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+ this.birthday = birthday;
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+
133
+ }
134
+
135
+ public int getAuthority() {
136
+
137
+ return authority;
138
+
139
+ }
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+
141
+ public void setAuthority(int authority) {
142
+
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+ this.authority = authority;
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+
145
+ }
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+
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+ public Dept getDept() {
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+
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+ return dept;
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+
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+ }
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+
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+ public void setDept(Dept dept) {
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+
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+ this.dept = dept;
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+
157
+ }
158
+
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+
160
+
161
+ }
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+
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+ ```
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+
33
165
 
34
166
 
35
167
  ```jsp

2

エラーの表示

2019/11/22 03:00

投稿

k7023
k7023

スコア9

test CHANGED
File without changes
test CHANGED
@@ -4,7 +4,11 @@
4
4
 
5
5
  これを実装すると${emp.empId}が読込めていない旨のエラーが表示されます。
6
6
 
7
+
8
+
9
+ - エラー
10
+
7
- ```コンソール
11
+ ```
8
12
 
9
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  重大: Servlet.service() for servlet [jsp] in context with path [/servlet_crud] threw exception [An exception occurred processing JSP page /html/list/list.jsp at line 61
10
14
 

1

エラー内容の追加

2019/11/22 02:50

投稿

k7023
k7023

スコア9

test CHANGED
File without changes
test CHANGED
@@ -2,7 +2,29 @@
2
2
 
3
3
 
4
4
 
5
- これを実装すると${emp.empId}
5
+ これを実装すると${emp.empId}が読込めていない旨のエラーが表示されます。
6
+
7
+ ```コンソール
8
+
9
+ 重大: Servlet.service() for servlet [jsp] in context with path [/servlet_crud] threw exception [An exception occurred processing JSP page /html/list/list.jsp at line 61
10
+
11
+
12
+
13
+ 58: </tr>
14
+
15
+ 59: <c:forEach var="emp" items="${empList} ">
16
+
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+ 60: <tr>
18
+
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+ 61: <td>${emp.empId}</td>
20
+
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+ 62: <td>${emp.empName}</td>
22
+
23
+ 63: <td>${emp.gender}</td>
24
+
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+ 64: <td>${emp.address}</td>
26
+
27
+ ```
6
28
 
7
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8
30