Certain customers may want to hide which version of Tomcat they are using, either for privacy or security reasons.
To do this, go to your tomcat/lib folder. Within this folder, make several subfolders: org/apache/catalina/util
Next, within the /tomcat/lib/org/apache/catalina/util folder, create a file named: ServerInfo.properties
Edit this new file and add this line to it:
Save and restart Tomcat.
Instead of seeing this error:
The error will now look like this: