Java 调度程序未在 Spring Boot 中运行
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Scheduler not running in Spring Boot
提问by Mohith Kumar
I have created a Spring Boot application. I have configured my class that contains the scheduler method startService().
Below is my code :
我创建了一个 Spring Boot 应用程序。我已经配置了包含调度程序方法的类startService()。下面是我的代码：
Service Class :
服务等级：
package com.mk.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
import com.mk.envers.model.BossExtChange;
import com.mk.envers.model.BossExtChangeRepository;
@Component
public class EnverseDemoService {
@Autowired
BossExtChangeRepository bossExtChangeRepository;
@Scheduled(fixedRate = 30000)
public void startService() {
System.out.println("Calling startService()");
BossExtChange bossExtChange = bossExtChangeRepository.findById(5256868L);
System.out.println("bossExtChange.getDescription()--->"+bossExtChange.getDescription());
System.out.println("Ending startService()");
}
}
Main Class :
主要班级：
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.PropertySource;
import org.springframework.scheduling.annotation.EnableScheduling;
@SpringBootApplication
@EnableScheduling
@PropertySource("classpath:application.properties")
public class EnverseDemoApplication {
public static void main(String[] args) {
SpringApplication.run(EnverseDemoApplication.class, args);
}
}
I have annotated the class as @Componentand also method as @Scheduled(fixedRate = 30000)that will running as a scheduler. But while running the application as Spring Boot the scheduler does not trigger. The console show the below message:
我已将类注释@Component为@Scheduled(fixedRate = 30000)将作为调度程序运行的方法。但是在将应用程序作为 Spring Boot 运行时，调度程序不会触发。控制台显示以下消息：
2016-02-03 10:56:47.708 INFO 10136 --- [ main] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup
2016-02-03 10:56:47.721 INFO 10136 --- [ main] com.mk.envers.EnverseDemoApplication : Started EnverseDemoApplication in 3.231 seconds (JVM running for 3.623)
2016-02-03 10:56:47.721 INFO 10136 --- [ Thread-2] s.c.a.AnnotationConfigApplicationContext : Closing org.springframework.context.annotation.AnnotationConfigApplicationContext@49e202ad: startup date [Wed Feb 03 10:56:44 IST 2016]; root of context hierarchy
2016-02-03 10:56:47.721 INFO 10136 --- [ Thread-2] o.s.j.e.a.AnnotationMBeanExporter : Unregistering JMX-exposed beans on shutdown
2016-02-03 10:56:47.736 INFO 10136 --- [ Thread-2] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default'
Can anyone please help me out.
任何人都可以帮助我。
采纳答案by Mohith Kumar
I was finally able to solve the above issue, I changed the package of my service class EnverseDemoServicefrom package com.mk.service;to com.mk.envers.service;. This is because if the main configuration class EnverseDemoApplicationis present in the package com.mk.envers. All the other classes in the boot application should be in the qualifying package. Eg: com.mk.envers.*;
我终于能够解决上述问题，我改变了我的服务类的包EnverseDemoService从package com.mk.service;到 com.mk.envers.service;。这是因为如果主配置类EnverseDemoApplication存在于包中com.mk.envers。引导应用程序中的所有其他类都应该在限定包中。Eg: com.mk.envers.*;
回答by Federico Traiman
May be you can solve this problem by adding the @ComponentScanannotation in the configuration file
也许你可以通过在配置文件中添加@ComponentScan注解来解决这个问题
@SpringBootApplication
@EnableScheduling
@ComponentScan(basePackages = "com.mk.service")
@PropertySource("classpath:application.properties")
public class EnverseDemoApplication {
public static void main(String[] args) {
SpringApplication.run(EnverseDemoApplication.class, args);
}
}
回答by Pravin
It must be that you forgot to add @EnableScheduling annotation in your app class.
一定是您忘记在您的应用程序类中添加 @EnableScheduling 注释。
public static void main(String[] args) {
context = SpringApplication.run(YouApplication.class, args);
}
