flink.streaming.runtime.tasks.ExceptionInChainedOperatorException: Could not forward element to next

Error executing map action org.apache.flink.streaming.runtime.tasks.ExceptionInChainedOperatorException: Could not forward element to next operator at 

今天在跑一个flink程序的时候,一直报这个错

flink.streaming.runtime.tasks.ExceptionInChainedOperatorException: Could not forward element to next_第1张图片

最后发现是配置的Watermark中的timestamp有问题,需要指定一下你的输入数据中时间的格式,比如我的是"2018-02-03 21:00:00",格式应该配置成"yyyy-MM-dd HH:mm:ss"

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