2026-11-10T13:50:51.341095935Z main ERROR Reconfiguration failed: No configuration found for '8b96fde' at 'null' in 'null' usage: verifiable-consumer [-h] --topic TOPIC [--group-protocol GROUP-PROTOCOL] [--group-remote-assignor GROUP-REMOTE-ASSIGNOR] --group-id GROUP-ID [--group-instance-id GROUP-INSTANCE-ID] [--max-messages MAX-MESSAGES] [--session-timeout TIMEOUT-MS] [--verbose] [--enable-autocommit] [--reset-policy RESET-POLICY] [--assignment-strategy ASSIGNMENT-STRATEGY] [--consumer.config CONFIG-FILE] [--command-config CONFIG-FILE] --bootstrap-server HOST1:PORT1[,HOST2:PORT2[...]] This tool consumes messages from a specific topic and emits consumer events (e.g. group rebalances, received messages, and offsets committed) as JSON objects to STDOUT. optional arguments: -h, --help show this help message and exit --topic TOPIC Consumes messages from this topic. --group-protocol GROUP-PROTOCOL Group protocol (must be one of CLASSIC, CONSUMER) (default: classic) --group-remote-assignor GROUP-REMOTE-ASSIGNOR Group remote assignor; only used if the group protocol is CONSUMER --group-id GROUP-ID The group id of the consumer group --group-instance-id GROUP-INSTANCE-ID A unique identifier of the consumer instance --max-messages MAX-MESSAGES Consume this many messages. If -1 (the default), the consumer will consume until the process is killed externally (default: -1) --session-timeout TIMEOUT-MS Set the consumer's session timeout, note that this configuration is not supported when group protocol is consumer --verbose Enable to log individual consumed records (default: false) --enable-autocommit Enable offset auto-commit on consumer (default: false) --reset-policy RESET-POLICY Set reset policy (must be either 'earliest', 'latest', or 'none') (default: earliest) --assignment-strategy ASSIGNMENT-STRATEGY Set assignment strategy (e.g. org.apache.kafka.clients.consumer. RoundRobinAssignor); only used if the group protocol is CLASSIC (default: org.apache.kafka.clients.consumer.RangeAssignor) --consumer.config CONFIG-FILE (DEPRECATED) Consumer config properties file. This option will be removed in a future version. Use --command-config instead --command-config CONFIG-FILE Config properties file (config options shared with command line parameters will be overridden). Connection Group: Group of arguments for connection to brokers --bootstrap-server HOST1:PORT1[,HOST2:PORT2[...]] The server(s) to connect to. Comma-separated list of Kafka brokers in the form HOST1:PORT1,HOST2:PORT2,...