I could be wrong, but I think you need to migrate your code as 11 uses Jakarta syntax, just like 10.1 does.
From: Jim Anderson <jjanderson52...@gmail.com> Sent: Monday, October 21, 2024 11:55 AM To: users@tomcat.apache.org Subject: Help with tomcat 11 failure Hi, I was working on a web application about 2 years ago and I am finally getting back to my work on this application. However, when I try to bring up the app as a web page in firefox, tomcat is failing with a stack trace which I am attaching Hi, I was working on a web application about 2 years ago and I am finally getting back to my work on this application. However, when I try to bring up the app as a web page in firefox, tomcat is failing with a stack trace which I am attaching to this email. Looking at the stack trace, I see that the class: javax.servlet.jsp.tagext.TagLibraryValidator was not found. My questions is: Where is the TagLibraryValidator class to be found? Jim Anderson