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Posted to issues@ignite.apache.org by "Pavel Tupitsyn (Jira)" <ji...@apache.org> on 2020/11/18 10:59:00 UTC

[jira] [Assigned] (IGNITE-13719) Thin client silently closes channel after inactivity

     [ https://issues.apache.org/jira/browse/IGNITE-13719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pavel Tupitsyn reassigned IGNITE-13719:
---------------------------------------

    Assignee: Pavel Tupitsyn

> Thin client silently closes channel after inactivity
> ----------------------------------------------------
>
>                 Key: IGNITE-13719
>                 URL: https://issues.apache.org/jira/browse/IGNITE-13719
>             Project: Ignite
>          Issue Type: Bug
>    Affects Versions: 2.9
>            Reporter: jifwin
>            Assignee: Pavel Tupitsyn
>            Priority: Major
>
> The following code works fine with ignite-core 2.8.0, but fails with 2.9.0 (see the exception below). It looks like timeout is applied to client receiver thread. When it's not used for a while it gets closed silently. 
> {code:java}
> public class IgniteDemo
> {
>     public static final int TIMEOUT = 1000;
>     public static void main(String[] args) throws InterruptedException
>     {
>         new IgniteDemo().run();
>     }
>     public void run() throws InterruptedException
>     {
>         final Ignite igniteServer = Ignition.start();
>         final ClientConfiguration cfg = new ClientConfiguration().setAddresses("127.0.0.1:10800");
>         cfg.setTimeout(TIMEOUT);
>         final IgniteClient igniteClient = Ignition.startClient(cfg);
>         final ClientCache<Object, Object> cache = igniteClient.getOrCreateCache("test");
>         Thread.sleep(TIMEOUT);
>         cache.put(1, 1);
>         Thread.sleep(TIMEOUT);
>         cache.put(2, 2);
>     }
> }
> {code}
> {code:java}
>  
> Exception in thread "main" org.apache.ignite.client.ClientConnectionException: Channel is closedException in thread "main" org.apache.ignite.client.ClientConnectionException: Channel is closed at org.apache.ignite.internal.client.thin.TcpClientChannel.send(TcpClientChannel.java:236) at org.apache.ignite.internal.client.thin.TcpClientChannel.service(TcpClientChannel.java:217) at org.apache.ignite.internal.client.thin.ReliableChannel.service(ReliableChannel.java:198) at org.apache.ignite.internal.client.thin.ReliableChannel.affinityService(ReliableChannel.java:261) at org.apache.ignite.internal.client.thin.TcpClientCache.cacheSingleKeyOperation(TcpClientCache.java:508) at org.apache.ignite.internal.client.thin.TcpClientCache.put(TcpClientCache.java:127) at IgniteDemo.run(IgniteDemo.java:26) at IgniteDemo.main(IgniteDemo.java:13)
> {code}



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