[jira] [Assigned] (IGNITE-7944) Disconnected client node tries to send JOB_CANCEL message

["Roman Guseinov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-7944?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Roman Guseinov reassigned IGNITE-7944:
--------------------------------------

    Assignee: Roman Guseinov

> Disconnected client node tries to send JOB_CANCEL message
> ---------------------------------------------------------
>
>                 Key: IGNITE-7944
>                 URL: https://issues.apache.org/jira/browse/IGNITE-7944
>             Project: Ignite
>          Issue Type: Bug
>    Affects Versions: 1.9, 2.3
>            Reporter: Roman Guseinov
>            Assignee: Roman Guseinov
>            Priority: Major
>         Attachments: Reproducer7944.java
>
>
> In case the network is blocked (socket connections not closed) and failure is detected, tcp-client-disco-msg-worker thread can be stuck in process of TcpClient creating:
> {code:java}
> "tcp-client-disco-msg-worker-#4%wd5prsvtots0016a-tg-QueryFabric%" #494 prio=5 os_prio=0 tid=0x00007f94c067c800 nid=0x2bdf runnable [0x00007f960ecf1000]
> java.lang.Thread.State: RUNNABLE
> at sun.nio.ch.Net.poll(Native Method)
> at sun.nio.ch.SocketChannelImpl.poll(SocketChannelImpl.java:954)
> - locked <0x00007fa140f520c0> (a java.lang.Object)
> at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:110)
> - locked <0x00007fa140f520b0> (a java.lang.Object)
> at org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi.createTcpClient(TcpCommunicationSpi.java:2950)
> at org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi.createNioClient(TcpCommunicationSpi.java:2681)
> at org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi.reserveClient(TcpCommunicationSpi.java:2568)
> at org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi.sendMessage0(TcpCommunicationSpi.java:2429)
> at org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi.sendMessage(TcpCommunicationSpi.java:2393)
> at org.apache.ignite.internal.managers.communication.GridIoManager.send(GridIoManager.java:1590)
> at org.apache.ignite.internal.managers.communication.GridIoManager.send(GridIoManager.java:1659)
> at org.apache.ignite.internal.processors.task.GridTaskWorker.cancelChildren(GridTaskWorker.java:1305)
> at org.apache.ignite.internal.processors.task.GridTaskWorker.finishTask(GridTaskWorker.java:1609)
> at org.apache.ignite.internal.processors.task.GridTaskWorker.finishTask(GridTaskWorker.java:1581)
> at org.apache.ignite.internal.processors.task.GridTaskProcessor.onDisconnected(GridTaskProcessor.java:168)
> at org.apache.ignite.internal.IgniteKernal.onDisconnected(IgniteKernal.java:3460)
> at org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$4.onDiscovery(GridDiscoveryManager.java:601)
> at org.apache.ignite.spi.discovery.tcp.ClientImpl$MessageWorker.notifyDiscovery(ClientImpl.java:2407)
> at org.apache.ignite.spi.discovery.tcp.ClientImpl$MessageWorker.notifyDiscovery(ClientImpl.java:2386)
> at org.apache.ignite.spi.discovery.tcp.ClientImpl$MessageWorker.body(ClientImpl.java:1714)
> at org.apache.ignite.spi.IgniteSpiThread.run(IgniteSpiThread.java:62)
> {code}
> It looks like msg-worker is trying to send JOB_CANCEL message for each job with timeout equals failureDetectionTimeout.
> Reproducer is attached.



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