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From "Aleksey Plekhanov (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (IGNITE-11671) Thin client: Client may hang when connected to a starting server
Date Fri, 17 May 2019 14:05:00 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-11671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aleksey Plekhanov reassigned IGNITE-11671:
------------------------------------------

    Assignee: Aleksey Plekhanov  (was: Amelchev Nikita)

> Thin client: Client may hang when connected to a starting server
> ----------------------------------------------------------------
>
>                 Key: IGNITE-11671
>                 URL: https://issues.apache.org/jira/browse/IGNITE-11671
>             Project: Ignite
>          Issue Type: Bug
>          Components: thin client
>            Reporter: Aleksey Plekhanov
>            Assignee: Aleksey Plekhanov
>            Priority: Major
>             Fix For: 2.8
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> If the server start process has not completed yet, but NIO listeners already started,
the client may never get a response for the handshake request.
> Exception on the server-side:
>  
> {noformat}
> [client-connector-#6416%f3b837aa-d726-46b0-a58b-8cc6267c9f96%][ClientListenerProcessor]
Runtime error caught during grid runnable execution: GridWorker [name=message-received-notify,
igniteInstanceName=f3b837aa-d726-46b0-a58b-8cc6267c9f96, finished=false, heartbeatTs=1554209548706,
hashCode=519781823, interrupted=false, runner=client-connector-#6416%f3b837aa-d726-46b0-a58b-8cc6267c9f96%]
> java.lang.NullPointerException
> at org.apache.ignite.internal.processors.odbc.ClientListenerNioListener.nextConnectionId(ClientListenerNioListener.java:334)
> at org.apache.ignite.internal.processors.odbc.ClientListenerNioListener.prepareContext(ClientListenerNioListener.java:313)
> at org.apache.ignite.internal.processors.odbc.ClientListenerNioListener.onHandshake(ClientListenerNioListener.java:251)
> at org.apache.ignite.internal.processors.odbc.ClientListenerNioListener.onMessage(ClientListenerNioListener.java:132)
> at org.apache.ignite.internal.processors.odbc.ClientListenerNioListener.onMessage(ClientListenerNioListener.java:48)
> at org.apache.ignite.internal.util.nio.GridNioFilterChain$TailFilter.onMessageReceived(GridNioFilterChain.java:279)
> at org.apache.ignite.internal.util.nio.GridNioFilterAdapter.proceedMessageReceived(GridNioFilterAdapter.java:109)
> at org.apache.ignite.internal.util.nio.GridNioAsyncNotifyFilter$3.body(GridNioAsyncNotifyFilter.java:97)
> at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120)
> at org.apache.ignite.internal.util.worker.GridWorkerPool$1.run(GridWorkerPool.java:70){noformat}
>  
> This happens because NIO listeners start before {{GridDiscoveryManager}}.



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