[jira] [Created] (KAFKA-6637) if set topic config segment.ms=0 Kafka broker won't be able to start

["Chong Wang (JIRA)" <ji...@apache.org>]

Chong Wang created KAFKA-6637:
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             Summary: if set topic config segment.ms=0 Kafka broker won't be able to start
                 Key: KAFKA-6637
                 URL: https://issues.apache.org/jira/browse/KAFKA-6637
             Project: Kafka
          Issue Type: Bug
            Reporter: Chong Wang


If set topic config segment.ms to 0, Kafka server won't be able to start because of a FATAL error:

[2018-03-12 19:05:40,196] FATAL [KafkaServer id=2] Fatal error during KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer) java.lang.ArithmeticException: / by zero at kafka.log.LogConfig.randomSegmentJitter(LogConfig.scala:100) at kafka.log.Log.loadSegments(Log.scala:419) at kafka.log.Log.<init>(Log.scala:203) at kafka.log.Log$.apply(Log.scala:1734) at kafka.log.LogManager.kafka$log$LogManager$$loadLog(LogManager.scala:221) at kafka.log.LogManager$$anonfun$loadLogs$2$$anonfun$8$$anonfun$apply$16$$anonfun$apply$2.apply$mcV$sp(LogManager.scala:292) at kafka.utils.CoreUtils$$anon$1.run(CoreUtils.scala:61) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)

[https://github.com/apache/kafka/blob/1.0/core/src/main/scala/kafka/log/LogConfig.scala#L100]

So the minimum value shouldn't be 0
https://kafka.apache.org/documentation/#topicconfigs



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