1.背景

一个flink程序报错这个

org.apache.flink.runtime.io.network.netty.exception.RemoteTransportException: Error at remote task manager '1.datanode3/72.118.1.15:39701'. at org.apache.flink.runtime.io.network.netty.CreditBasedPartitionRequestClientHandler.decodeMsgCreditBasedPartitionRequestClientHandler.java:280) at org.apache.flink.runtime.io.network.netty.CreditBasedPartitionRequestClientHandler.channelRead(CreditBasedPartitionRequestClientHandler.java:175) at org.apache.flink.shaded.netty4.io.net