@schedule 注解 是springboot 常用的定时任务注解,使用起来简单方便,但是如果定时任务非常多,或者有的任务很耗时,会影响到其他定时任务的执行,因为schedule 默认是单线程的,一个任务在执行时,其他任务是不能执行的.解决办法是重新配置schedule,改为多线程执行.只需要增加下面的配置类就可以了.
import org.springframework.boot.autoconfigure.batch.batchproperties; import org.springframework.context.annotation.configuration; import org.springframework.scheduling.annotation.scheduled; import org.springframework.scheduling.annotation.schedulingconfigurer; import org.springframework.scheduling.config.scheduledtaskregistrar; import java.lang.reflect.method; import java.util.concurrent.executors; @configuration public class scheduleconfig implements schedulingconfigurer { @override public void configuretasks(scheduledtaskregistrar taskregistrar) { method[] methods = batchproperties.job.class.getmethods(); int defaultpoolsize = 3; int corepoolsize = 0; if (methods != null && methods.length > 0) { for (method method : methods) { scheduled annotation = method.getannotation(scheduled.class); if (annotation != null) { corepoolsize++; } } if (defaultpoolsize > corepoolsize) corepoolsize = defaultpoolsize; } taskregistrar.setscheduler(executors.newscheduledthreadpool(corepoolsize)); } }
源码 https://github.com/yanyf765/demo_schedule
总结
以上所述是小编给大家介绍的springboot schedule 解决定时任务不执行的问题,希望对大家有所帮助