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Posted to commits@cassandra.apache.org by "Mohammad Aburadeh (Jira)" <ji...@apache.org> on 2024/11/10 14:27:00 UTC

[jira] [Comment Edited] (CASSANDRA-20072) Unknown exception in client networking

    [ https://issues.apache.org/jira/browse/CASSANDRA-20072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17897013#comment-17897013 ] 

Mohammad Aburadeh edited comment on CASSANDRA-20072 at 11/10/24 2:26 PM:
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I submitted PR for this issue. It worked as expected.
The fix is simple, I just added the client address to the warning message. This will be helpful to know which client is causing problems. 
||PR||
|[4.0|https://github.com/apache/cassandra/pull/3672]|
|[4.1|https://github.com/apache/cassandra/pull/3671]|
|[Trunk|https://github.com/apache/cassandra/pull/3673]|

Please review and let me know. 


was (Author: JIRAUSER287854):
I submitted PR for this issue. It worked as expected.
The fix is simple, I just added the client address to the warning message. This will be helpful to know which client is causing problems. 


||PR||
|[4.0|https://github.com/apache/cassandra/pull/3672]|
|[4.1\| https://github.com/apache/cassandra/pull/3671]|
|[Trunk\| https://github.com/apache/cassandra/pull/3673]|
| |
| |

Please review and let me know. 

> Unknown exception in client networking
> --------------------------------------
>
>                 Key: CASSANDRA-20072
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-20072
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Client/java-driver
>            Reporter: Mohammad Aburadeh
>            Assignee: Mohammad Aburadeh
>            Priority: Normal
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> We are getting hundreds of the below warnings in Cassandra logs: 
> {code:java}
> WARN  [epollEventLoopGroup-5-7] 2024-11-10 00:26:24,296 ExceptionHandlers.java:139 - Unknown exception in client networking
> io.netty.channel.StacklessClosedChannelException: null
>         at io.netty.channel.AbstractChannel.close(ChannelPromise)(Unknown Source)
> {code}
> This means the client dropped the connection abruptly or abnormally. The issue could be a network or application issue on the client side. 
> Since there could be many client servers, Cassandra must log the client IP and the port so we can check what's the problem with that server. 
> I'll attached the fix for this small change. 



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