Catalog uses the tomcat server . When installing catalog , catalog will use the tomcat that shipped with the product . But the customers can download the tomcat that the customer site would like to use and then use catalog's "ant upgrade-tomcat" command to have catalog point and use the the tomcat that they want . So , it is important to know how to check/verify the tomcat the catalog is currently using .
How to check tomcat version that catalog is using ?
To check the tomcat version that your catalog is using , you can do the following :
for example: suppose the URL for you to access your catalog GUI is :
if you purposely modify this URL a little bit and have it be a wrong one like this :
and then you will get the HTTP 404 error and at the same time it will be able to tell you the tomcat version that your catalog is using , see the screenshot below :