[jira] [Created] (KAFKA-9980) Reserved word "" may not be santinized to "%3Cdefault%3E"

["Cheng Tan (Jira)" <ji...@apache.org>]

Cheng Tan created KAFKA-9980:
--------------------------------

             Summary: Reserved word "<default>" may not be santinized to "%3Cdefault%3E"
                 Key: KAFKA-9980
                 URL: https://issues.apache.org/jira/browse/KAFKA-9980
             Project: Kafka
          Issue Type: Bug
            Reporter: Cheng Tan


quota_tests.py is failing. Specifically for this test:
[INFO:2020-05-11 19:22:47,493]: RunnerClient: Loading test \{'directory': '/opt/kafka-dev/tests/kafkatest/tests/client', 'file_name': 'quota_test.py', 'method_name': 'test_quota', 'cls_name': 'QuotaTest', 'injected_args': {'quota_type': 'client-id', 'override_quota': False}}
I log into the docker container and do
/opt/kafka-dev/bin/kafka-configs.sh --bootstrap-server ducker03:9093 --describe --entity-type clients --command-config /opt/kafka-dev/bin/hi.properties
and the command return
Configs for the default client-id are consumer_byte_rate=2000000.0, producer_byte_rate=2500000.0
Configs for client-id 'overridden_id' are consumer_byte_rate=1.0E9, producer_byte_rate=1.0E9
Seems like the config is properly but the quota is not effective
 
For investigation, I added a logging at {{AdminZKClient.changeConfigs()}}
  def changeConfigs(entityType: String, entityName: String, configs: Properties): Unit = {
    warn(s"entityType = $entityType entityName = $entityName configs = $configs")
    ...
  }
And use --bootstrap-server and --zookeeper to --alter the default client quota. I got
Alter with --zookeeper:WARN entityType = clients entityName = <default> configs = \{producer_byte_rate=1000000000, consumer_byte_rate=1000000000} (kafka.zk.AdminZkClient)
and
Alter with --bootstrap-server:WARN entityType = clients entityName = %3Cdefault%3E configs = \{producer_byte_rate=1000000000, consumer_byte_rate=1000000000} (kafka.zk.AdminZkClient)
I guess the encoding difference might cause the issue. The encoding happens in
Sanitizer.sanitize()



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