UTF-8 encoding of application.properties attributes in Spring-Boot

Question

In my application.properties I add some custom attributes.

custom.mail.property.subject-message=This is a ä ö ü ß problem

In t

Answer 1

To set the UTF-8 encoding for the text in the application.properties (and any other Java properties as well as environment variables) add -Dfile.encoding=UTF-8 to java command line agrs.