In the worker logs i can see, 14/04/16 01:02:47 ERROR EndpointWriter: AssociationError [akka.tcp://sparkWorker@xxxxxx:10548] -> [akka.tcp://sparkExecutor@xxxxxx:16041]: Error [Association failed with [akka.tcp://sparkExecutor@xxxxxx:16041]] [ akka.remote.EndpointAssociationException: Association failed with [akka.tcp://sparkExecutor@xxxxxx:16041] Caused by: akka.remote.transport.netty.NettyTransport$$anonfun$associate$1$$anon$2: Connection refused: xxxxxx/xx.xx.xx.xx:16041 ]
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