質問編集履歴
2
誤字
title
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File without changes
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body
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@@ -245,7 +245,7 @@
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private String name;
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private String address;
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248
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-
public int
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248
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+
public int getId()
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{
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return id;
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}
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1
例外レポートが変化したため
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@@ -1,7 +1,7 @@
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1
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###オブジェクトをキャストしたい
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2
2
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サーブレットで得た結果をjspで受け取り、表示したいのですがなかなかうまくいきません。お分かりの方がいらっしゃれば、何卒よろしくお願いいたします。
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3
3
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4
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-
###発生してい
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4
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+
###元々発生していた例外レポート
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5
5
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6
6
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```
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7
7
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HTTPステータス 500 - JSPのクラスをコンパイルできません:
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@@ -46,9 +46,68 @@
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46
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org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
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47
47
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filter.EncodingFilter.doFilter(EncodingFilter.java:26)
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48
48
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49
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+
```
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50
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+
###変化した例外レポート
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51
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+
```java
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52
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+
HTTPステータス 500 - An exception occurred processing JSP page /DB/select.jsp at line 26
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49
53
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54
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+
メッセージ An exception occurred processing JSP page /DB/select.jsp at line 26
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55
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+
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56
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+
説明 The server encountered an internal error that prevented it from fulfilling this request.
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57
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+
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58
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例外
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59
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org.apache.jasper.JasperException: An exception occurred processing JSP page /DB/select.jsp at line 26
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60
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+
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61
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+
23:
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62
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+
24: <c:forEach var="learning" items="${list}">
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63
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25: <TR>
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64
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26: <TD>${learning.id}</TD>
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65
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+
27: <TD>${learning.name}</TD>
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66
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+
28: <TD>${learning.address}</TD>
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67
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+
29: </TR>
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68
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+
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69
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+
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70
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+
Stacktrace:
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71
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+
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:575)
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72
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+
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:477)
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73
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+
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
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74
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+
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
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75
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+
javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
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76
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+
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
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77
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+
DB.SelectDb.doGet(SelectDb.java:79)
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78
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+
javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
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79
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+
javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
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80
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+
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
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81
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+
filter.EncodingFilter.doFilter(EncodingFilter.java:26)
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82
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+
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83
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+
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84
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+
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85
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+
原因
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86
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+
javax.el.PropertyNotFoundException: Property 'id' not readable on type DB.Learning
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87
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+
javax.el.BeanELResolver$BeanProperty.read(BeanELResolver.java:357)
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88
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+
javax.el.BeanELResolver$BeanProperty.access$000(BeanELResolver.java:305)
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89
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+
javax.el.BeanELResolver.getValue(BeanELResolver.java:97)
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90
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+
org.apache.jasper.el.JasperELResolver.getValue(JasperELResolver.java:104)
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91
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+
org.apache.el.parser.AstValue.getValue(AstValue.java:184)
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92
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+
org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:184)
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93
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+
org.apache.jasper.runtime.PageContextImpl.proprietaryEvaluate(PageContextImpl.java:950)
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94
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+
org.apache.jsp.DB.select_jsp._jspx_meth_c_005fforEach_005f0(select_jsp.java:160)
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95
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+
org.apache.jsp.DB.select_jsp._jspService(select_jsp.java:113)
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96
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+
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
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|
97
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+
javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
|
|
98
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+
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:439)
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|
99
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+
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
|
|
100
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+
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
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|
101
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+
javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
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102
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+
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
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|
103
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+
DB.SelectDb.doGet(SelectDb.java:79)
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|
104
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+
javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
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|
105
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+
javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
|
|
106
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+
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
|
|
107
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+
filter.EncodingFilter.doFilter(EncodingFilter.java:26)
|
|
108
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+
|
|
109
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+
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|
50
110
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```
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|
51
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-
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|
52
111
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###該当のソースコード
|
|
53
112
|
```java
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54
113
|
<%
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