[jira] [Created] (KAFKA-2392) Kafka Server does not accept 0 as a port

["Buğra Gedik (JIRA)" <ji...@apache.org>]

Buğra Gedik created KAFKA-2392:
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             Summary: Kafka Server does not accept 0 as a port
                 Key: KAFKA-2392
                 URL: https://issues.apache.org/jira/browse/KAFKA-2392
             Project: Kafka
          Issue Type: Bug
          Components: config
    Affects Versions: 0.8.2.1
            Reporter: Buğra Gedik
            Priority: Minor


I want to specify 0 as a port number for Zookeeper as well as Kafka Server. For instance server.properties configuration file has a 'port' property, but does not accept 0 as a value. Similarly, zookeeper.properties has a 'clientPort' property, but does not acce[t 0 as a value.

I want 0 to specify that the port will be selected automatically (OS assigned). In my use case, I want to run Zookeeper with a automatically picked port, and use that port to create a Kafka Server configuration file, that specifies the Kafka Server port as 0 as well. I parse the output from the servers to figure out the actual ports used. All this is needed for a testing environment.

Not supporting automatically selected ports makes it difficult to run Kafka server as part of our tests.






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