[jira] [Created] (KAFKA-5595) Illegal state in SocketServer; attempt to send with another send in progress

["Jason Gustafson (JIRA)" <ji...@apache.org>]

Jason Gustafson created KAFKA-5595:
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             Summary: Illegal state in SocketServer; attempt to send with another send in progress
                 Key: KAFKA-5595
                 URL: https://issues.apache.org/jira/browse/KAFKA-5595
             Project: Kafka
          Issue Type: Bug
            Reporter: Jason Gustafson


I have seen this a couple times, but I'm not sure the conditions associated with it. 

{code}
java.lang.IllegalStateException: Attempt to begin a send operation with prior send operation still in progress.
	at org.apache.kafka.common.network.KafkaChannel.setSend(KafkaChannel.java:138)
	at org.apache.kafka.common.network.Selector.send(Selector.java:248)
	at kafka.network.Processor.sendResponse(SocketServer.scala:488)
	at kafka.network.Processor.processNewResponses(SocketServer.scala:466)
	at kafka.network.Processor.run(SocketServer.scala:431)
	at java.lang.Thread.run(Thread.java:748)
{code}

Prior to this event, I see a lot of this message in the logs (always for the same connection id):
{code}
Attempting to send response via channel for which there is no open connection, connection id 7
{code}



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