[jira] [Updated] (IGNITE-24813) Java thin: weird warning on server disconnect

["Evgeny Stanilovsky (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-24813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Evgeny Stanilovsky updated IGNITE-24813:
----------------------------------------
    Fix Version/s: 3.2
                       (was: 3.1)

> Java thin: weird warning on server disconnect
> ---------------------------------------------
>
>                 Key: IGNITE-24813
>                 URL: https://issues.apache.org/jira/browse/IGNITE-24813
>             Project: Ignite
>          Issue Type: Bug
>          Components: thin client
>    Affects Versions: 3.0
>            Reporter: Pavel Tupitsyn
>            Assignee: Pavel Tupitsyn
>            Priority: Major
>              Labels: ignite-3
>             Fix For: 3.2
>
>
> In case of a server connection loss (node goes down, network issue, etc) the following warning appears in *client log*:
> {code}
> [2025-03-17T11:44:52,986][WARN ][nioEventLoopGroup-9-1][DefaultChannelPipeline] An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception.
>  java.net.SocketException: Connection reset
> 	at java.base/sun.nio.ch.SocketChannelImpl.throwConnectionReset(SocketChannelImpl.java:401) ~[?:?]
> 	at java.base/sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:434) ~[?:?]
> 	at io.netty.buffer.PooledByteBuf.setBytes(PooledByteBuf.java:255) ~[netty-buffer-4.1.119.Final.jar:4.1.119.Final]
> 	at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1132) ~[netty-buffer-4.1.119.Final.jar:4.1.119.Final]
> 	at io.netty.buffer.WrappedByteBuf.writeBytes(WrappedByteBuf.java:821) ~[netty-buffer-4.1.119.Final.jar:4.1.119.Final]
> 	at io.netty.buffer.AdvancedLeakAwareByteBuf.writeBytes(AdvancedLeakAwareByteBuf.java:636) ~[netty-buffer-4.1.119.Final.jar:4.1.119.Final]
> {code}
> Improve exception handling and log a better warning (which endpoint disconnected etc).
> Reproducer - add to ConnectionTest.java
> {code:java}
>     public void testServerDisconnect() {
>         var server = new TestServer(0, new FakeIgnite(), null, null, "abc", clusterId, null, 10800);
>         var client = IgniteClient.builder()
>                 .addresses("localhost")
>                 .build();
>         client.tables().tables();
>         server.close();
>         client.tables().tables();
>     }
> {code}



--
This message was sent by Atlassian Jira
(v8.20.10#820010)