How does server prioritize which type of web.xml error page to use?
This is not specific to Tomcat. This is specific to the Servlet API. How the error page is determined is specified in chapter 9.9.2 of Servlet API specification 2.5. Here’s an extract of relevance: SRV.9.9.2 Error Pages If no error-page declaration containing an exception-type fits using the class-hierarchy match, and the exception thrown is a … Read more