Control center service is running but it is not listening on port 9021

Ops
1

getting error

[2025-10-09 07:39:33,619] ERROR [main] failed to start topology (io.confluent.controlcenter.application.AllControlCenter)

java.util.concurrent.TimeoutException

    at io.confluent.command.kafka.CommandStore.start(CommandStore.java:98)

    at io.confluent.controlcenter.application.ControlCenter.startTopologies(ControlCenter.java:112)

    at io.confluent.controlcenter.application.AllControlCenter.startTopologies(AllControlCenter.java:54)

    at io.confluent.controlcenter.application.ControlCenter.run(ControlCenter.java:75)

    at io.confluent.controlcenter.ControlCenter.main(ControlCenter.java:46)

[2025-10-09 07:39:33,619] INFO [main] stream-client [_confluent-controlcenter-7-7-4-8-command-6030e929-7a85-4d4c-bfb0-bf89d4ce1c4b] State transition from REBALANCING to PENDING_SHUTDOWN (org.apache.kafka.streams.KafkaStreams)

[2025-10-09 07:39:33,622] INFO [_confluent-controlcenter-7-7-4-8-command-6030e929-7a85-4d4c-bfb0-bf89d4ce1c4b-CloseThread] stream-client [_confluent-controlcenter-7-7-4-8-command-6030e929-7a85-4d4c-bfb0-bf89d4ce1c4b] Shutting down 0 stream threads (org.apache.kafka.streams.KafkaStreams)

[2025-10-09 07:39:33,622] INFO [_confluent-controlcenter-7-7-4-8-command-6030e929-7a85-4d4c-bfb0-bf89d4ce1c4b-CloseThread] stream-client [_confluent-controlcenter-7-7-4-8-command-6030e929-7a85-4d4c-bfb0-bf89d4ce1c4b] Shutdown 0 stream threads complete (org.apache.kafka.streams.KafkaStreams)

[2025-10-09 07:39:33,623] INFO [kafka-admin-client-thread | _confluent-controlcenter-7-7-4-8-command-6030e929-7a85-4d4c-bfb0-bf89d4ce1c4b-admin] App info kafka.admin.client for _confluent-controlcenter-7-7-4-8-command-6030e929-7a85-4d4c-bfb0-bf89d4ce1c4b-admin unregistered (org.apache.kafka.common.utils.AppInfoParser)

2

hey @shambhuraj9984 welcome :slight_smile:

could you share some details?

how did you start the whole env?

brokers running fine?

3

we have physical servers
1 - schema read-write
2- schema read
3- kafka
4-kafka
5-kafka
6-controller
7-controller
8-controller
9-controlcenter
the broker running fine and I have created topic also

4

first
random cluster id generated
then one by one controller started
then broker started
then schema started
last control center started

5

thanks for providing the information

are there more information available in the logs?