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We are using 1.14.3 version of flink and when we try to run Job manager, we are getting below exception.

I tried entering akka.remote.netty.tcp.hostname = "127.0.0.1" in flink-conf.yml file and even updated IP with hostname. But didnt help.

[flink-akka.actor.default-dispatcher-5] 
ERROR akka.remote.transport.netty.NettyTransport - failed to bind to /0.0.0.0:6123, shutting down Netty transport



ERROR org.apache.flink.runtime.entrypoint.ClusterEntrypoint - Could not start cluster entrypoint StandaloneSessionClusterEntrypoint.
org.apache.flink.runtime.entrypoint.ClusterEntrypointException: Failed to initialize the cluster entrypoint StandaloneSessionClusterEntrypoint


Caused by: java.net.BindException: Could not start actor system on any port in port range 6123```
Vinayraj007
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1 Answers1

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Can you check if you have an application already running on port 6123?

Martijn Visser
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  • thanks for the reply. yes job manager is running on 6123. but we are not explicitly mentioning akka.remote.transport.netty too use 6123. from where it is picking the config ? – Vinayraj007 Feb 02 '22 at 16:51
  • Config is stored in `conf/flink-conf.yaml`. You can find all the configuration parameters at https://nightlies.apache.org/flink/flink-docs-release-1.14/docs/deployment/config/ – Martijn Visser Feb 03 '22 at 12:34