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Posted to dev@kafka.apache.org by "Jason Gustafson (JIRA)" <ji...@apache.org> on 2018/05/10 21:24:00 UTC
[jira] [Resolved] (KAFKA-6893) Processors created after acceptor
started which can cause in a brief refusal to accept connections
[ https://issues.apache.org/jira/browse/KAFKA-6893?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
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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