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Support Article

Seeing bind port error trying to start stream node



Unable to start multiple JVMs on the same IP address.

Error Messages

Caused by: Address already in use: bind

Steps to Reproduce

Start  the nodes.

Root Cause

A defect or configuration issue in the operating environment.
Each stream node requires its own set of ports to use for Kafka.


Make the following change to the operating environment:

Ensure the following prconfig settings are unique for each stream node and restart the JVMs:

dsm/services/stream/pyBrokerPort (default 9092)
dsm/services/stream/pyKeeperPort (default 2181)
dsm/services/stream/pyJmxPort ( default 9999)
dsm/services/stream/pyPort (default 7003)

Published August 19, 2019 - Updated December 2, 2021

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