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Posted to user-zh@flink.apache.org by 星夜 <16...@qq.com> on 2021/03/05 01:41:33 UTC

flink作业报 task manager连接错误

flink作业在执行几个小时候总是报某一个节点失去连接的错误，有没有朋友遇到过？




报错日志如下:

org.apache.flink.runtime.io.network.netty.exception.RemoteTransportException: Connection unexpectedly closed by remote task manager 'cdh-slave-01/130.0.0.1:41800'. This might indicate that the remote task manager was lost.

Re: flink作业报 task manager连接错误

Posted by Smile <LE...@163.com>.

你好，
可以看下具体那个 TaskManager 的日志，我之前遇到的这种情况一般都是内存用超被容器（比如Yarn）Kill 掉或者是 TaskManager
里面抛异常了。如果是 received signal 15 一般就是被容器 kill 掉了，可以看下容器的日志，其他情况可以看下具体的异常。

Smile



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