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MySQL Router Did Not Close Connections When They Were Closed By The Server (Doc ID 2926274.1)

Last updated on AUGUST 02, 2024

Applies to:

MySQL Router - Version 8.0 and later
Information in this document applies to any platform.

Symptoms

MySQL Router (version 8.0.29 to 8.0.31) does not close a connection when a destination server closes the connection. If the client on the other end does not close the invalid connection, the connection will keep established forever. If those invalid connections accumulate to reach a routing's max_connections, new connections for that routing will be rejected. There should be WARNING message like the following in the log file:

This issue does not happen on MySQL Router 8.0.28 or prior versions.

Changes

 Upgrade MySQL Router to version 8.0.29, 8.0.30 or 8.0.31.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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