In GWT Query param of type Date does not get serialized using the default (unix time) date format when timezone is set to any of (UTC-XX) timezones.
E.g. Query param:
Thu+May+19+10%3A47%3A09+GMT-100+2022
default format used : EEE MMM dd HH:mm:ss 'GMT'Z yyyy
GWT version:2.7.0 and resty-gwt-2.2.0
Api: https://localhost:8080/orders?OrderDate=Thu+May+19+10%3A47%3A09+GMT-100+2022