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I am using Flink version 1.10.0 and while starting the Scala shell using 'start-scala-shell.sh', it throws an exception as follows: 

Exception in thread "main" org.apache.flink.util.FlinkException: Could not create the DispatcherResourceManagerComponent.
    at org.apache.flink.runtime.entrypoint.component.DefaultDispatcherResourceManagerComponentFactory.create(DefaultDispatcherResourceManagerComponentFactory.java:261)

I've changed the rest-port from 8081 to 8089, but still facing the same issue.

I even tried this with Flink 1.9.2, but faced the same issue.

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Kindly help!

Sarfaraz Hussain
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  • Have you checked that these ports are available on your machine? If not I'd recommend to use a [big port range](https://stackoverflow.com/questions/58898543/cannot-launch-flink-from-local-host-when-trying-to-run-it-with-webui/58957258#58957258) to see if that could be an issue. – Arvid Heise Mar 11 '20 at 08:22

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