[jira] [Created] (KAFKA-6893) Processors created after acceptor started which can cause in a brief refusal to accept connections

["Ryan P (JIRA)" <ji...@apache.org>]

Ryan P created KAFKA-6893:
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             Summary: 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


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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