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https://issues.apache.org/jira/browse/KAFKA-6893?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Gustafson resolved KAFKA-6893.
------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.1.1

> Processors created after acceptor started which can cause in a brief refusal 
> to accept connections 
> ---------------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-6893
>                 URL: https://issues.apache.org/jira/browse/KAFKA-6893
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 1.1.0
>            Reporter: Ryan P
>            Assignee: Rajini Sivaram
>            Priority: Minor
>             Fix For: 1.1.1
>
>
> The acceptor starts before the the processor threads are actually created 
> which creates a very small window in which connections to the broker will 
> fail. When the acceptor takes on a new connection an illegal arithmetic 
> exception is thrown as shown below. 
>  
> Exception: / by zero
>  at kafka.network.Acceptor.run(SocketServer.scala:391)
>  at java.lang.Thread.run(Thread.java:748)
> [2018-05-09 15:34:05,153] ERROR Error while accepting connection 
> (kafka.network.Acceptor)
> java.lang.ArithmeticException: / by zero
>  at kafka.network.Acceptor.run(SocketServer.scala:391)
>  at java.lang.Thread.run(Thread.java:748)
> [2018-05-09 15:34:05,153] ERROR Error while accepting connection 
> (kafka.network.Acceptor)
> java.lang.ArithmeticException: / by zero
>  at kafka.network.Acceptor.run(SocketServer.scala:391)
>  at java.lang.Thread.run(Thread.java:748)
> [2018-05-09 15:34:05,153] INFO Awaiting socket connections on 
> lontkfk02.mwam.local:9093. (kafka.network.Acceptor)
> [2018-05-09 15:34:05,268] INFO [SocketServer brokerId=2] Started 2 acceptor 
> threads (kafka.network.SocketServer)
>  
>  



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