MySQL 8.4.2 MY-013935 IO-layer timeout before wait_timeout was reached.
Posted by:
Pavol S
Date: March 10, 2025 03:58AM
Hello,
we used MySQL 5.7.35 + java 17 web application with connector mysql-connector-j-8.2.0.
Application is on different host and running on Windows platform. Database is running on Windows as well.
We have migrated MySQL from 5.7.35 to 8.4.2 recently with connector mysql-connector-j-9.0.0. From that time, we can see a lot of errors in MySQL log:
[ERROR] [MY-013935] [Server] IO-layer timeout before wait_timeout was reached.
The message appears many times during day with no related application logs. Has anyone experience with this? What exactly that error mean?
Thank you. Pavol
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MySQL 8.4.2 MY-013935 IO-layer timeout before wait_timeout was reached.
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March 10, 2025 03:58AM
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