質問編集履歴
3
一部修正
test
CHANGED
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@@ -1 +1 @@
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1
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-
Spring Boot エラー: メイン・クラスcom.example.Applicationを検出およびロードできませんでした
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1
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+
Spring Boot エラー: メイン・クラスcom.example.demo.DemoApplicationを検出およびロードできませんでした
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test
CHANGED
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File without changes
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2
一部修正
test
CHANGED
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File without changes
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test
CHANGED
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@@ -16,7 +16,7 @@
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16
16
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17
17
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<properties>
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18
18
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19
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-
<start-class>com.example.Application</start-class>
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19
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+
<start-class>com.example.demo.DemoApplication</start-class>
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20
20
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21
21
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<java.version>11</java.version>
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22
22
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1
ソースコード追加
test
CHANGED
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File without changes
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test
CHANGED
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@@ -25,3 +25,83 @@
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25
25
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```
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26
26
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27
27
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※Applicationは***Application.javaファイルのclass名
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28
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+
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29
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+
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30
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+
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31
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+
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32
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+
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33
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+
### ソースコード
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34
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+
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35
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+
DemoApplication.java
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36
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+
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37
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+
```
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38
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+
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39
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+
package com.example.demo;
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40
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+
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41
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+
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42
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+
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43
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+
import org.springframework.boot.SpringApplication;
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44
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+
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45
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+
import org.springframework.boot.autoconfigure.SpringBootApplication;
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46
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+
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47
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+
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48
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+
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49
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+
@SpringBootApplication
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50
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+
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51
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+
public class DemoApplication {
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52
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+
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53
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+
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54
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+
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55
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+
public static void main(String[] args) {
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56
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+
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57
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+
SpringApplication.run(DemoApplication.class, args);
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58
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+
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59
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+
}
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|
60
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+
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61
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+
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62
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+
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63
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+
}
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64
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+
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65
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+
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66
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+
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67
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+
```
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68
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+
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69
|
+
DemoController.java
|
|
70
|
+
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71
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+
```
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72
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+
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73
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+
package com.example.demo;
|
|
74
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+
|
|
75
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+
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76
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+
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77
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+
import org.springframework.stereotype.Controller;
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78
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+
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79
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+
import org.springframework.web.bind.annotation.RequestMapping;
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80
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+
|
|
81
|
+
|
|
82
|
+
|
|
83
|
+
@Controller
|
|
84
|
+
|
|
85
|
+
public class DemoController {
|
|
86
|
+
|
|
87
|
+
|
|
88
|
+
|
|
89
|
+
@RequestMapping(value="/hello")
|
|
90
|
+
|
|
91
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+
private String hello(){
|
|
92
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+
|
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93
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+
return "/index.html";
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94
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+
|
|
95
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+
}
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|
96
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+
|
|
97
|
+
}
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|
98
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+
|
|
99
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+
```
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|
100
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+
|
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101
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+
index.html
|
|
102
|
+
|
|
103
|
+
```
|
|
104
|
+
|
|
105
|
+
Hello World!
|
|
106
|
+
|
|
107
|
+
```
|