On Tue, Feb 18, 2020 at 5:41 PM Mark Thomas <ma...@apache.org> wrote:
> On 18/02/2020 22:32, calder wrote: > > On Tue, Feb 18, 2020, 14:12 Thad Humphries <thad.humphr...@gmail.com> > wrote: > > > >> I am trying to understand how to build and run an app from local with > >> Tomcat 9 embedded using Java 8. I've started with this example written > for > >> Tomcat 7: > >> > >> > https://www.oracle.com/webfolder/technetwork/tutorials/obe/java/basic_app_embedded_tomcat/basic_app-tomcat-embedded.html#overview > >> > >> I am able to get it to run with Tomcat 9 after a few changes to the > pom.xml > >> and one addition to the main() method: > >> > >> public static void main(String[] args) throws Exception { > >> > > > > > > String contextPath = "" ; > >> > > > > May not be the issue, cause there's other code to consider, but should > the > > above line be > > > > String contextPath = "/" ; > > No. "" is the correct path for the ROOT context. > > > >> String appBase = "."; > >> Tomcat tomcat = new Tomcat(); > >> tomcat.setPort(Integer.valueOf(PORT.orElse("8888") )); > >> // next line added for Tomcat 9 > >> tomcat.setConnector(tomcat.getConnector()); > >> > >> tomcat.setHostname(HOSTNAME.orElse("localhost")); > >> tomcat.getHost().setAppBase(appBase); > >> tomcat.addWebapp(contextPath, appBase); > >> tomcat.start(); > >> tomcat.getServer().await(); > >> } > >> > >> However although this runs it returns a 404 on /employee. Why? > > There aren't (doesn't appear to be) any Servlets mapped. > > Are there any web applications in the appBase? > There is a servlet in src/main/java/com/example/employees, EmployeeServlet.java, with the annotation @WebServlet( name = "EmployeeServlet", urlPatterns = {"/employee"} ) In src/main/webapp is the file index.jsp which redirects to /employee: <%@ page info="sample index page" %> <html> <body> <h2>Hello World!</h2> <jsp:forward page="/employee" /> </body> </html> With Tomcat 7.0.57, I can run `java -jar employees-app-1.0-SNAPSHOT-jar-with-dependencies.jar` in target, and load the page at http://localhost:8888/. With Tomcat 9.0.31, I get a 404 -- "Hell hath no limits, nor is circumscrib'd In one self-place; but where we are is hell, And where hell is, there must we ever be" --Christopher Marlowe, *Doctor Faustus* (v. 111-13)
