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https://dev.mysql.com/doc/connector-j/en/connector-j-usagenotes-troubleshooting.html
The MySQL Server may be closing idle connections that exceed the wait_timeout or interactive_timeout threshold. Ensure that any configurable firewall or router timeout settings allow for the maximum expected connection idle time. This section ...
https://dev.mysql.com/doc/refman/9.7/en/glossary.html
Connector/ODBC 3.51 is an ANSI driver, while Connector/ODBC 5.1 is a Unicode driver. See Also C API, client, connector, native C API, Perl API, PHP API, Python API, Ruby API. assembly A library of compiled code in a .NET system, accessed through ...
https://dev.mysql.com/doc/relnotes/connector-j/en/news-8-0-24.html
Connection idle: This is due to the connection idling for longer than the relevant timeout settings. It causes Connector/J to close the current connection with the error message "IO Read error: read_timeout exceeded". (WL #14453) In the past, for ...
https://dev.mysql.com/doc/extending-mysql/9.7/en/mysql-threads.html
This thread also normally handles alarms and calls process_alarm() to force timeouts on connections that have been idle too long. The MySQL server creates the following threads: Connection manager threads handle client connection requests on the ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-programs-ndb-import.html
ndb_import requires a connection to an NDB management server (ndb_mgmd) to function; it does not require a connection to a MySQL Server. ndb_import must be able to connect to an NDB Cluster management server; for this reason, there must be an unused ... ndb_import imports CSV-formatted data, such as that produced by mysqldump --tab, directly into NDB using the NDB ...
https://dev.mysql.com/doc/refman/9.7/en/webauthn-pluggable-authentication.html
Note The default server-side connect_timeout value (10 seconds) may not give you enough time to complete the authentication process. Lost connection to MySQL server at 'reading final connect information', system error: 2 To resolve this, set ...The ... Note WebAuthn authentication is an extension included in MySQL Enterprise Edition, a commercial ...
https://dev.mysql.com/doc/workbench/en/wb-what-is-new-62.html
Shared Snippets: these allow multiple users to share SQL code across a shared MySQL connection. They are stored in a schema named .mysqlworkbench on the connected MySQL server. Figure 1.15 Data Modeling Script Attachments Client Connections and ...
https://dev.mysql.com/doc/relnotes/connector-j/en/news-8-0-28.html
(Bug #32089018, Bug #101389) After calling Statement.setQueryTimeout(), when a query timeout was reached, a connection to the server was established to terminate the query, but the connection remained open afterward. Version 8.0.28 is the latest ...
https://dev.mysql.com/doc/relnotes/connector-cpp/en/news-8-0-26.html
(Bug #32882344) For connection attempts that specified a list of servers to try, the connection timeout value could be twice the correct duration. Deprecation and Removal Notes Pluggable Authentication Functionality Added or Changed Bugs Fixed ...
https://dev.mysql.com/doc/connectors/en/connector-odbc-errors.html
If you are still experiencing problems, use the Connector/ODBC mailing list; see Section 5.9.1, “Connector/ODBC Community Support”. Many problems can be resolved by upgrading your Connector/ODBC drivers to the latest available release. 64-Bit ...