質問編集履歴
6
試したこと追加しました。
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➃
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➃Clean
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→特に変化無し。
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5
コードとキャプチャを追加しました。
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![プロジェクトに発生している!](f7ffd5a20c40fbea3f290f738b59c744.png)
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###
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### トラブル内容
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を記載したところで、プロジェクトにビックリマークのようなものがついて、
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プロジェクトをビルドすると
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コンソールに以下のようなメッセージが出てきてエラーになってしまいます。
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エラー
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---
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2019-08-09 14:35:13.469 INFO 9372 --- [ main] c.t.springboot.MyBootAppApplication : Starting MyBootAppApplication on NAOKI-PC with PID 9372 (C:\Users\Naoki\Documents\workspace-sts-3.9.2.RELEASE\MyBootApp\target\classes started by Naoki in C:\Users\Naoki\Documents\workspace-sts-3.9.2.RELEASE\MyBootApp)
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2019-08-09 14:35:13.485 INFO 9372 --- [ main] c.t.springboot.MyBootAppApplication : No active profile set, falling back to default profiles: default
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2019-08-09 14:35:14.346 INFO 9372 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data repositories in DEFAULT mode.
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2019-08-09 14:35:14.409 INFO 9372 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 63ms. Found 1 repository interfaces.
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2019-08-09 14:35:14.774 INFO 9372 --- [ main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration' of type [org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration$$EnhancerBySpringCGLIB$$a8474ab6] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
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2019-08-09 14:35:15.143 INFO 9372 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
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2019-08-09 14:35:15.177 INFO 9372 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
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2019-08-09 14:35:15.177 INFO 9372 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.17]
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2019-08-09 14:35:15.318 INFO 9372 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
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2019-08-09 14:35:15.333 INFO 9372 --- [ main] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 1785 ms
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2019-08-09 14:35:15.411 WARN 9372 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration': Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception; nested exception is org.springframework.boot.autoconfigure.jdbc.DataSourceProperties$DataSourceBeanCreationException: Failed to determine a suitable driver class
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2019-08-09 14:35:15.424 INFO 9372 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
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2019-08-09 14:35:15.440 INFO 9372 --- [ main] ConditionEvaluationReportLoggingListener :
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Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
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2019-08-09 14:35:15.440 ERROR 9372 --- [ main] o.s.b.d.LoggingFailureAnalysisReporter :
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***************************
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APPLICATION FAILED TO START
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***************************
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Description:
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Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured.
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Reason: Failed to determine a suitable driver class
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Action:
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Consider the following:
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If you want an embedded database (H2, HSQL or Derby), please put it on the classpath.
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If you have database settings to be loaded from a particular profile you may need to activate it (no profiles are currently active).
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---
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すみません、初学者すぎて質問の仕方もボヤッとしてますが、宜しくお願い致します。
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129
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-
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+
各ファイルは以下の通りです。
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-
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pom.xml
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```xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.1.4.RELEASE</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<groupId>com.tsunano.springboot</groupId>
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<artifactId>MyBootApp</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>MyBootApp</name>
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<description>Sample project for Spring Boot</description>
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<properties>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-jpa</artifactId>
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</dependency>
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<dependency>
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<groupId>com.h2database</groupId>
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<artifactId>h2</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-thymeleaf</artifactId>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>
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```
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HeloController.java
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```java
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package com.tsunano.springboot;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.servlet.ModelAndView;
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import com.tsunano.springboot.repositories.MyDataRepository;
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@Controller
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public class HeloController {
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@Autowired
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MyDataRepository repository;
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@RequestMapping("/")
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public ModelAndView index(ModelAndView mav) {
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mav.setViewName("index");
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mav.addObject("msg","this is sample content.");
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Iterable<MyData> list=repository.findAll();
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mav.addObject("data",list);
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return mav;
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}
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}
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|
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+
```
|
324
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|
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|
326
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|
327
|
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MyBootAppApplication.java
|
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|
329
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+
```java
|
330
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+
|
331
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+
package com.tsunano.springboot;
|
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+
|
333
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+
|
334
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+
|
335
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import org.springframework.boot.SpringApplication;
|
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|
337
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+
import org.springframework.boot.autoconfigure.SpringBootApplication;
|
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+
|
339
|
+
|
340
|
+
|
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@SpringBootApplication
|
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+
|
343
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+
public class MyBootAppApplication {
|
344
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+
|
345
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+
|
346
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+
|
347
|
+
public static void main(String[] args) {
|
348
|
+
|
349
|
+
SpringApplication.run(MyBootAppApplication.class, args);
|
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+
|
351
|
+
}
|
352
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+
|
353
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|
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+
|
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}
|
356
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+
|
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|
358
|
+
|
359
|
+
```
|
360
|
+
|
361
|
+
|
362
|
+
|
363
|
+
MyData.java
|
364
|
+
|
365
|
+
```java
|
366
|
+
|
367
|
+
package com.tsunano.springboot;
|
368
|
+
|
369
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+
|
370
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+
|
371
|
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|
372
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|
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import javax.persistence.Column;
|
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+
|
375
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import javax.persistence.Entity;
|
376
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+
|
377
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+
import javax.persistence.GeneratedValue;
|
378
|
+
|
379
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+
import javax.persistence.GenerationType;
|
380
|
+
|
381
|
+
import javax.persistence.Id;
|
382
|
+
|
383
|
+
import javax.persistence.Table;
|
384
|
+
|
385
|
+
|
386
|
+
|
387
|
+
@Entity
|
388
|
+
|
389
|
+
@Table(name="mydata")
|
390
|
+
|
391
|
+
|
392
|
+
|
393
|
+
public class MyData {
|
394
|
+
|
395
|
+
|
396
|
+
|
397
|
+
|
398
|
+
|
399
|
+
@Id
|
400
|
+
|
401
|
+
@GeneratedValue(strategy=GenerationType.AUTO)
|
402
|
+
|
403
|
+
@Column
|
404
|
+
|
405
|
+
private long id;
|
406
|
+
|
407
|
+
|
408
|
+
|
409
|
+
@Column(length=50, nullable=false)
|
410
|
+
|
411
|
+
private String name;
|
412
|
+
|
413
|
+
|
414
|
+
|
415
|
+
@Column(length=200, nullable=true)
|
416
|
+
|
417
|
+
private String mail;
|
418
|
+
|
419
|
+
|
420
|
+
|
421
|
+
@Column(nullable=true)
|
422
|
+
|
423
|
+
private Integer age;
|
424
|
+
|
425
|
+
|
426
|
+
|
427
|
+
@Column(nullable=true)
|
428
|
+
|
429
|
+
private String memo;
|
430
|
+
|
431
|
+
|
432
|
+
|
433
|
+
|
434
|
+
|
435
|
+
public long getId() {return id;}
|
436
|
+
|
437
|
+
public void setId(long id) {this.id=id;}
|
438
|
+
|
439
|
+
public String getName() {return name;}
|
440
|
+
|
441
|
+
public void setName(String name) {this.name=name;}
|
442
|
+
|
443
|
+
public String getMail() {return mail;}
|
444
|
+
|
445
|
+
public void setMail(String mail) {this.mail=mail;}
|
446
|
+
|
447
|
+
public Integer getAge() {return age;}
|
448
|
+
|
449
|
+
public void setAge(Integer age) {this.age=age;}
|
450
|
+
|
451
|
+
public String getMemo() {return memo;}
|
452
|
+
|
453
|
+
public void setMemo(String memo) {this.memo=memo;}
|
454
|
+
|
455
|
+
}
|
456
|
+
|
457
|
+
```
|
458
|
+
|
459
|
+
|
460
|
+
|
461
|
+
|
462
|
+
|
463
|
+
MyDataRepository.java
|
464
|
+
|
465
|
+
```java
|
466
|
+
|
467
|
+
package com.tsunano.springboot.repositories;
|
468
|
+
|
469
|
+
|
470
|
+
|
471
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import com.tsunano.springboot.MyData;
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import org.springframework.data.jpa.repository.JpaRepository;
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import org.springframework.stereotype.Repository;
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@Repository
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public interface MyDataRepository extends JpaRepository<MyData,Long> {
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}
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```
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@@ -64,13 +502,13 @@
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-
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➀application.propatiesにDBへの接続情報を記載。
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→特に変化無し。
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➁pom.xmlの書き換え
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```lang-xml
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@@ -90,12 +528,14 @@
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➂プロジェクトを右クリック→Maven→Update Project
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→特に変化無し。
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➃
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541
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4
試したこと追加
test
CHANGED
File without changes
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test
CHANGED
@@ -92,7 +92,7 @@
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92
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③プロジェクトを右クリック→Maven→Update Project
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-
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→特に変化無し。
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3
試したこと追加
test
CHANGED
File without changes
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test
CHANGED
@@ -90,6 +90,10 @@
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90
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91
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③プロジェクトを右クリック→Maven→Update Project
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94
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95
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+
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96
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2
Markdown使用
test
CHANGED
File without changes
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test
CHANGED
@@ -11,6 +11,8 @@
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11
11
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12
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pom.xmlに
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```lang-xml
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<dependency>
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@@ -27,6 +29,10 @@
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<artifactId>h2</artifactId>
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</dependency>
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```
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@@ -66,6 +72,8 @@
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②pom.xmlの書き換え
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```lang-xml
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<dependency>
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<groupId>org.hsqldb</groupId>
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@@ -73,6 +81,8 @@
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<artifactId>hsqldb</artifactId>
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</dependency>
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+
|
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+
```
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76
86
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77
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|
→ビックリマークは消えました。
|
78
88
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|
1
試したことを追記しました。また、追加の質問も記載しました。
test
CHANGED
File without changes
|
test
CHANGED
@@ -46,11 +46,43 @@
|
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|
49
57
|
### 試したこと
|
50
58
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|
51
59
|
|
52
60
|
|
53
|
-
application.propatiesにDBへの接続情報を記載。
|
61
|
+
①application.propatiesにDBへの接続情報を記載。
|
62
|
+
|
63
|
+
→特に変化無し。
|
64
|
+
|
65
|
+
|
66
|
+
|
67
|
+
②pom.xmlの書き換え
|
68
|
+
|
69
|
+
<dependency>
|
70
|
+
|
71
|
+
<groupId>org.hsqldb</groupId>
|
72
|
+
|
73
|
+
<artifactId>hsqldb</artifactId>
|
74
|
+
|
75
|
+
</dependency>
|
76
|
+
|
77
|
+
→ビックリマークは消えました。
|
78
|
+
|
79
|
+
そもそもHSQLDBをインストールしていないので、意味がないです。
|
80
|
+
|
81
|
+
|
82
|
+
|
83
|
+
|
84
|
+
|
85
|
+
|
54
86
|
|
55
87
|
|
56
88
|
|