Github user srdo commented on the issue: https://github.com/apache/storm/pull/1702 This seems fine once the storm versions are reverted, though you should get this on the master branch first. I'd like to mention before you spend too much time on trying to make the spout run reliably, that we've had some reliability problems with the com.microsoft.eventhubs.client:eventhubs-client since the underlying AMQP library isn't being maintained. There's a new eventhub client here based on Apache Proton which is likely to provide a better experience. https://github.com/Azure/azure-event-hubs/tree/master/java
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