(2) By default, the response generated by a Servlet does depend on the HTTP method. JSPs used as error pages must must ensure that they handle any error dispatch as a GET request, regardless of the actual method. Notes for other user provided error pages: (1) Unless explicitly coded otherwise, JSPs ignore the HTTP method. Since Tomcat 6.0, Tomcat uses a private package-renamed implementation of Apache Commons Logging, to allow web applications to use their own independent copies of the original Apache Commons Logging library. Depending on the original request this could lead to unexpected and undesirable results for static error pages including, if the DefaultServlet is configured to permit writes, the replacement or removal of the custom error page. The Default Servlet in Apache Tomcat 9.0.0.M1 to 9.0.0.M20, 8.5.0 to 8.5.14, 8.0.0.RC1 to 8.0.43 and 7.0.0 to 7.0.77 did not do this. Security vulnerabilities of Apache Tomcat version 7.0.59 List of cve security vulnerabilities related to this exact version. If the error page is a static file, expected behaviour is to serve content of the file as if processing a GET request, regardless of the actual HTTP method. This means that the request is presented to the error page with the original HTTP method. Apache Tomcat 7.0.59 This is not the latest version of Apache Tomcat available. The error page mechanism of the Java Servlet Specification requires that, when an error occurs and an error page is configured for the error that occurred, the original request and response are forwarded to the error page.
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