No qualifying bean of type 'net.javacrumbs.shedlock.core.LockProvider' available: expected at 的解决办法
问题概述在分布式微服务中,由于部署的是多实例,消息来了之后,为了保证在多实例的情况下在同一时刻,只能由一个定时任务来消费,所以,这儿就使用到了Spring Boot中的一款超好用的轻量级分布式锁 ShedLock 来实现分布式锁的情况,但是在SpringBoot分布式项目中集成ShedLock锁时遇到的一个问题 “No qualifying bean of type 'net.javac...
问题概述
在分布式微服务中,由于部署的是多实例,消息来了之后,为了保证在多实例的情况下在同一时刻,只能由一个定时任务来消费,所以,这儿就使用到了Spring Boot中的一款超好用的轻量级分布式锁 ShedLock 来实现分布式锁的情况,但是在SpringBoot分布式项目中集成ShedLock锁时遇到的一个问题 “ No qualifying bean of type 'net.javacrumbs.shedlock.core.LockProvider' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.context.annotation.Lazy(value=true)} ”,如下图:
异常详细信息如下:
org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'net.javacrumbs.shedlock.core.LockProvider' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.context.annotation.Lazy(value=true)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoMatchingBeanFound(DefaultListableBeanFactory.java:1506)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1101)
at org.springframework.context.annotation.ContextAnnotationAutowireCandidateResolver$1.getTarget(ContextAnnotationAutowireCandidateResolver.java:90)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:193)
at com.sun.proxy.$Proxy104.lock(Unknown Source)
at net.javacrumbs.shedlock.core.DefaultLockingTaskExecutor.executeWithLock(DefaultLockingTaskExecutor.java:53)
at net.javacrumbs.shedlock.core.DefaultLockingTaskExecutor.executeWithLock(DefaultLockingTaskExecutor.java:42)
at net.javacrumbs.shedlock.core.DefaultLockManager.executeWithLock(DefaultLockManager.java:52)
at net.javacrumbs.shedlock.core.LockableRunnable.run(LockableRunnable.java:37)
at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:93)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266)
at java.util.concurrent.FutureTask.run(FutureTask.java)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
2019-12-26 17:33:00.003 ERROR 18016 --- [taskScheduler-5] o.s.s.s.TaskUtils$LoggingErrorHandler : Unexpected error occurred in scheduled task.
解决办法
这个是由于版本过高导致的,降低版本即可解决!
版本兼容更新没更上导致的,最开始我使用的是4.x的,然后经过细微的调整,改到3.x版本就可以了!!!
好了,关于 No qualifying bean of type 'net.javacrumbs.shedlock.core.LockProvider' available: expected at 的解决办法 就写到这儿了,如果还有什么疑问或遇到什么问题欢迎扫码提问,也可以给我留言哦,我会一一详细的解答的。
歇后语:“ 共同学习,共同进步 ”,也希望大家多多关注CSND的IT社区。
作 者: | 华 仔 |
联系作者: | who.seek.me@java98k.vip |
来 源: | CSDN (Chinese Software Developer Network) |
原 文: | https://blog.csdn.net/Hello_World_QWP/article/details/103719867 |
版权声明: | 本文为博主原创文章,请在转载时务必注明博文出处! |
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