Я получаю эту ошибку при попытке запустить мое приложение Spring.
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-09-22 23:55:45.397 ERROR 36321 --- [ main] o.s.b.d.LoggingFailureAnalysisReporter :
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APPLICATION FAILED TO START
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Description:
Parameter 0 of constructor in com.example.demo.dao.UserDataAccessService required a bean of type 'org.flywaydb.core.internal.jdbc.JdbcTemplate' that could not be found.
Action:
Consider defining a bean of type 'org.flywaydb.core.internal.jdbc.JdbcTemplate' in your configuration.
Приложение работает, когда я использую мой файл fakeUserData.Кажется, что есть проблема с зависимостями, но я дважды проверил, и похоже, что все зависимости есть.
Pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.8.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>demo</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.flywaydb</groupId>
<artifactId>flyway-core</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>runtime</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
application.yml
app:
datasource:
jdbc-url: jdbc:postgresql://localhost:5432/springbootpostgresdb
username: postgres
password: password
pool-size: 30
UserDataAccessService.java
package com.example.demo.dao;
import com.example.demo.model.User;
import org.flywaydb.core.internal.jdbc.JdbcTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import java.sql.SQLException;
import java.util.List;
import java.util.Optional;
import java.util.UUID;
@Repository("postgresql")
public class UserDataAccessService implements Userdao {
private final JdbcTemplate jdbcTemplate;
@Autowired
public UserDataAccessService(JdbcTemplate jdbcTemplate) {
this.jdbcTemplate = jdbcTemplate;
}
@Override
public int insertUser(UUID id, User user) {
return 0;
}
@Override
public int deleteUserById(UUID id) {
return 0;
}
@Override
public int updateUserById(UUID id, User user) {
return 0;
}
@Override
public Optional<User> selectUserById(UUID id) {
return Optional.empty();
}
@Override
public List<User> selectAllUsers() {
final String sql = "SELECT id,name FROM userProfile";
try {
return jdbcTemplate.query(sql, (resultSet) -> {
UUID id = UUID.fromString(resultSet.getString("id"));
String name = resultSet.getString("name");
return new User(id, name);
});
} catch (SQLException e) {
e.printStackTrace();
return null;
}
}
}
PostgresDataSource.java
package com.example.demo.datasource;
import com.zaxxer.hikari.HikariDataSource;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class PostgresDataSource {
@Bean
@ConfigurationProperties("app.datasource")
public HikariDataSource hikariDataSource() {
return DataSourceBuilder
.create()
.type(HikariDataSource.class)
.build();
}
}