hi all,

We plan to update all IoTDB execution scripts to enforce UTF-8 character 
encoding across environments.

This change[1]:
​1. Explicitly sets JVM character encoding​ via new JVM options:
-Dfile.encoding=UTF-8 -Dsun.jnu.encoding=UTF-8
​2. Applies to both Unix (.sh) and Windows (.bat) scripts​
3. Resolves character encoding inconsistencies in cross-platform execution
4. Includes configuration variable name standardization

This ensures consistent handling of non-ASCII characters (e.g. international 
text, special symbols) during CLI operations, log output, and file processing. 
No user action required – encoding will automatically default to UTF-8 on 
startup.

[1]: https://github.com/apache/iotdb/pull/15961



Best regards,
—————————————
Xuan Wang

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