文章目录

1.概述
一个flink程序,什么也没做 ,昨天晚上9点的时候 集群突然就挂了,我7点下班的时候 还好好的
然后报错:Source Coordinator Thread already exists. There should never be more than one thread driving the actions of a Source Coordinator. Existing Thread
具体异常栈如下
报错位置位于:org.apache.flink.runtime.source.coordinator.SourceCoordinatorProvider.CoordinatorExecutorThreadFactory#newThread