我出现以下错误:
Exception: Error creating bean with name 'inventoryService' defined in URL [jar:file:/app.jar!/BOOT-INF/classes!/com/epi/services/inventory/items/InventoryService.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'itemRepository': Cannot resolve reference to bean 'databaseClient' while setting bean property 'databaseClient'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'databaseClient' available
2019-06-18 18:38:41,409 INFO [main] org.apache.juli.logging.DirectJDKLog: Stopping service [Tomcat]
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.apache.catalina.loader.WebappClassLoaderBase (jar:file:/app.jar!/BOOT-INF/lib/tomcat-embed-core-8.5.29.jar!/) to field java.lang.Thread.threadLocals
WARNING: Please consider reporting this to the maintainers of org.apache.catalina.loader.WebappClassLoaderBase
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
2019-06-18 18:38:45,424 INFO [main] org.springframework.boot.autoconfigure.logging.ConditionEvaluationReportLoggingListener:
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-06-18 18:38:50,695 ERROR [main] org.springframework.boot.diagnostics.LoggingFailureAnalysisReporter:
***************************
APPLICATION FAILED TO START
***************************
Description:
Parameter 0 of constructor in com.epi.services.inventory.items.InventoryService required a bean named 'databaseClient' that could not be found.
Action:
Consider defining a bean named 'databaseClient' in your configuration.
我的应用程序具有以下类和依赖项:
主模块内部:
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>io.projectreactor</groupId>
<artifactId>reactor-core</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-r2dbc</artifactId>
</dependency>
<dependency>
<groupId>io.r2dbc</groupId>
<artifactId>r2dbc-postgresql</artifactId>
</dependency>
<dependency>
<groupId>javax.xml.bind</groupId>
<artifactId>jaxb-api</artifactId>
</dependency>
<dependency>
<groupId>com.sun.xml.bind</groupId>
<artifactId>jaxb-core</artifactId>
</dependency>
<dependency>
<groupId>com.sun.xml.bind</groupId>
<artifactId>jaxb-impl</artifactId>
</dependency>
<dependency>
<groupId>myGroupId</groupId>
<artifactId>myModule.dblib</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webflux</artifactId>
</dependency>
<dependency>
<groupId>org.projectreactor</groupId>
<artifactId>reactor-spring</artifactId>
</dependency>
<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.hibernate.javax.persistence</groupId>
<artifactId>hibernate-jpa-2.1-api</artifactId>
</dependency>
</dependencies>
应用程序:
@SpringBootApplication(scanBasePackages = "com.pack")
@EntityScan("com.pack")
@EnableR2dbcRepositories
@Import(DatabaseConfiguration.class)
public class InventoryApplication {
public static void main(String[] args) {
SpringApplication.run(InventoryApplication.class, args);
}
}
服务:
@Service
@RequiredArgsConstructor
public class InventoryService {
private final ItemRepository itemRepository;
public Flux<ItemPojo> getAllItems() {
return itemRepository.findAllItems()
.map(Item::toPojo);
}
}
回购:
@Repository
public interface ItemRepository extends ReactiveCrudRepository<Item, Long> {
Flux<List<Item>> findByName(String name);
@Query("select i from Item i")
Flux<Item> findAllItems();
}
实体:
@Data
@Table(name = "items")
public class Item implements Serializable {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
private String name;
public static ItemPojo toPojo(final Item items) {
return new ItemPojo(items.id, items.name);
}
}
myModule.dblib:
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>io.projectreactor</groupId>
<artifactId>reactor-core</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-r2dbc</artifactId>
</dependency>
<dependency>
<groupId>io.r2dbc</groupId>
<artifactId>r2dbc-postgresql</artifactId>
</dependency>
<dependency>
<groupId>org.javassist</groupId>
<artifactId>javassist</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-r2dbc</artifactId>
</dependency>
<dependency>
<groupId>io.r2dbc</groupId>
<artifactId>r2dbc-postgresql</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webflux</artifactId>
</dependency>
<dependency>
<groupId>org.projectreactor</groupId>
<artifactId>reactor-spring</artifactId>
</dependency>
</dependencies>
数据库配置:
@Configuration
@EnableR2dbcRepositories
public class DatabaseConfiguration {
@Value("${spring.data.postgres.host}") private String host;
@Value("${spring.data.postgres.port}") private int port;
@Value("${spring.data.postgres.database}") private String database;
@Value("${spring.data.postgres.username}") private String username;
@Value("${spring.data.postgres.password}") private String password;
@Bean
public PostgresqlConnectionFactory connectionFactory() {
return new PostgresqlConnectionFactory(PostgresqlConnectionConfiguration.builder()
.host(host)
.port(port)
.database(database)
.username(username)
.password(password)
.build());
}
}
我错过了什么?