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Storm java.lang.Runtime Exception: the returned channel is not actually set

That time, Storm again blocked me on an unknown issue. When I start a storm, only part of the worker is alive and then dies, and sometimes all workers live in a few seconds. Therefore, they simply keep the noose alive and die.

I checked the working log file, it repeats one problem: [ERROR] connection attempt * (from 1 to 25 actually) to Netty0Client-node1-1 / 10.19.1.1: 6702 failed: java.lang.RuntimeException: returned channel on most not established.

(storm version 0.9.5)

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Source: https://habr.com/ru/post/1608423/

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