[jira] [Resolved] (KAFKA-5587) Processor got uncaught exception: NullPointerException

["Ismael Juma (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-5587?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ismael Juma resolved KAFKA-5587.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 0.11.1.0
                   0.11.0.1

> Processor got uncaught exception: NullPointerException
> ------------------------------------------------------
>
>                 Key: KAFKA-5587
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5587
>             Project: Kafka
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 0.10.1.1
>            Reporter: Dan
>            Assignee: Rajini Sivaram
>             Fix For: 0.11.0.1, 0.11.1.0
>
>
> [2017-07-12 21:56:39,964] ERROR Processor got uncaught exception. (kafka.network.Processor)
> java.lang.NullPointerException
>         at kafka.network.Processor$$anonfun$processCompletedReceives$1.apply(SocketServer.scala:490)
>         at kafka.network.Processor$$anonfun$processCompletedReceives$1.apply(SocketServer.scala:487)
>         at scala.collection.Iterator$class.foreach(Iterator.scala:727)
>         at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
>         at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
>         at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
>         at kafka.network.Processor.processCompletedReceives(SocketServer.scala:487)
>         at kafka.network.Processor.run(SocketServer.scala:417)
>         at java.lang.Thread.run(Thread.java:745)
> Anyone knows the cause of this exception? What's the effect of it? 
> When this exception occurred, the log also showed that the broker was frequently shrinking ISR to itself. Are these two things interrelated?



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