cluster模式下storm kill topology时作cleanup的解决方法

[时间是让人猝不及防的东西，晴时有风阴时有雨] 1.背景 在bolt中，须要在topology被关闭前执行某个操做，而根据官方文档：html The  cleanup method is called when a Bolt is being shutdown and should cleanup any resources that were opened. There's no guarant

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