There is a typo in https://github.com/spring-projects/spring-framework/wiki/Upgrading-to-Spring-Framework-6.x#web-applications
Due to the Jakarta EE migration, make sure to upgrade to Tomcat 10, Jetty 11, or Undertow 2.2.19 with the undertow-servlet-jakarta artifact, alongside switching your javax.servlet imports to jakarta.servlet (Jakarta EE 9). For the latest server generations, consider Tomcat 10.1 and Undertow 2.3 (Jakarta EE 10).
Several outdated Servlet-based integrations have been dropped: e.g. Apache Commons FileUpload (org.springframework.web.multipart.commons.CommonsMultipartyResolver), ...
Incorrect: org.springframework.web.multipart.commons.CommonsMultipartyResolver
Correct: org.springframework.web.multipart.commons.CommonsMultipartResolver
Comment From: simonbasle
fixed, thanks for reporting @kk-zu 👍