For the background see: https://github.com/spring-projects/spring-boot/issues/7949
The short version is: * is seen as a wild card in some environments. The options are: $ & ' ( ) * , - . : ; @ _ ~ (all followed by /) Ideally we want a character that: - is unlikely to appear in a file name (particularly at the end) - does not have a special meaning that could conflict when using it in combination with / in a URI to mark the start of the internal WAR path. Thoughts, comments, reasons for excluding one or more of these characters welcome. Mark --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org