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@Schedule注解可以在sprintboot项目中定时启动某个方法,但是如果是分布式部署方案,如k8s集群等,每个节点都会运行此方法,就会造成一系列的问题,此时就要用到@SchedulerLock 分布式加锁注解

maven:

<dependency>
	<groupId>net.javacrumbs.shedlock</groupId>
	<artifactId>shedlock-spring</artifactId>
	<version>0.16.1</version>
</dependency>
 
<dependency>
	<groupId>net.javacrumbs.shedlock</groupId>
	<artifactId>shedlock-provider-jdbc-template</artifactId>
	<version>0.16.1</version>
</dependency>

config配置类:

@Configuration
@EnableScheduling
public class ShedlockConfig {

   @Value("${spring.datasource.primary.url}")
    private String url;
    @Value("${spring.datasource.primary.username}")
    private String username;
    @Value("${spring.datasource.primary.password}")
    private String password;
    @Value("${spring.datasource.primary.driver-class-name}"

本文标签: 注解分布式加锁schedule