[KAFKA-2817] Closing an unconnected SslTransport get an invalid close state exception

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.9.0.0
• Component/s: core
• Assignee: Ismael Juma
• Reporter: Jun Rao
• Reviewer: Jun Rao
• Created: 12/Nov/15 15:34
• Updated: 13/Nov/15 16:29
• Resolved: 13/Nov/15 16:29

Description

Saw the following in our system test. When shutting down a broker, in a short window, the controller can't establish socket connection to the shutdown broker and tries to close it. It hit the following exception. This may leak the underlying socket.

[2015-11-11 07:24:17,253] WARN Failed to send SSL Close message (org.apache.kafka.common.network.SslTransportLayer)
java.io.IOException: Invalid close state, will not send network data.
at org.apache.kafka.common.network.SslTransportLayer.close(SslTransportLayer.java:156)
at org.apache.kafka.common.network.KafkaChannel.close(KafkaChannel.java:50)
at org.apache.kafka.common.network.Selector.close(Selector.java:448)
at org.apache.kafka.common.network.Selector.poll(Selector.java:316)
at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:270)
at kafka.utils.NetworkClientBlockingOps$.recurse$1(NetworkClientBlockingOps.scala:128)
at kafka.utils.NetworkClientBlockingOps$.kafka$utils$NetworkClientBlockingOps$$pollUntilFound$extension(NetworkClientBlockingOps.scala:139)
at kafka.utils.NetworkClientBlockingOps$.kafka$utils$NetworkClientBlockingOps$$pollUntil$extension(NetworkClientBlockingOps.scala:105)
at kafka.utils.NetworkClientBlockingOps$.blockingReady$extension(NetworkClientBlockingOps.scala:58)
at kafka.controller.RequestSendThread.brokerReady(ControllerChannelManager.scala:225)
at kafka.controller.RequestSendThread.liftedTree1$1(ControllerChannelManager.scala:172)
at kafka.controller.RequestSendThread.doWork(ControllerChannelManager.scala:171)
at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)