How to Resolve MySQL Connector Time Zone Error: \'Unrecognized or Multiple Time Zones\'?

MySQL Connector Time Zone Error

Problem Description:

When using the MySQL connector, an error is encountered: "The server time zone value 'Mitteleurop?ische Sommerzeit' is unrecognized or represents more than one time zone."

Background:

This error occurs when there's a mismatch between the time zone settings on the MySQL server and the Java application using the connector. The MySQL server time zone value 'Mitteleurop?ische Sommerzeit' is not recognized by the Java application, which expects a more specific time zone value.

Resolution:

To resolve the issue, configure the MySQL server or the JDBC driver to use a more specific time zone value. The recommended approach is to set the serverTimezone property in the JDBC URL to the desired time zone.

In the given context.xml, the following URL should be used:

url="jdbc:mysql://127.0.0.1:3306/rk_tu_lager?useLegacyDatetimeCode=false&serverTimezone=Europe/Amsterdam&useSSL=false"

Ensure that the time zone value used in serverTimezone matches the correct time zone for the MySQL server. In this case, "Europe/Amsterdam" is used, but it should be adjusted accordingly depending on the actual server time zone.

By specifying the serverTimezone property explicitly, the Java application can correctly interpret the time zone settings from the MySQL server and avoid the "unrecognized time zone" error.

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