【Flink】did not react to cancelling signal for 30 seconds Task did not exit gracefully within

1.背景 standalone模式下,任务运行一段时间taskmanager挂掉,报错如下: Task ‘Source: Custom Source -> Map -> Map -> to: Row -> Map -> Sink: Unnamed (1/3)’ did not react to cancelling signal for 30 seconds Task did not exit g

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