Servlet mapping: url pattern problems - spring-mvc

Question

I'm trying to set up a servlet mapping so that urls in the form "/getFile/{fileId}" will be mapped by my DispatcherServlet "dispatcher".
If I set up my web.xml as below only "/getFile" will be mapped, I can't append the fileId or it breaks.
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/getFile</url-pattern>
</servlet-mapping>
So I would have thought that I should use
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/getFile/*</url-pattern>
</servlet-mapping>
But this doesn't work at all.
The method I'm trying to call is
#RequestMapping(value = "/getFile/{documentId}", method = RequestMethod.GET)
public void getFile(#PathVariable int documentId, HttpServletResponse response) throws Exception {
User user = (User) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
UserDB userDB = UserDBService.getUser(user.getUsername());
ByteArrayOutputStream bos = new ByteArrayOutputStream();
Document document = DocumentService.getDocument(documentId);
String extension = document.getExtension();
try {
String path = ApplicationPropertiesConstants.SAFESITE_DOCUMENTS_DIRECTORY + userDB.getSite().getId() + "\\" + documentId + "." + extension;
InputStream is = new FileInputStream(path);
response.setHeader("Cache-Control", "no-store");
response.setHeader("Pragma", "no-cache");
response.setDateHeader("Expires", 0);
response.setContentType("image/png");
org.apache.commons.io.IOUtils.copy(is, response.getOutputStream());
response.flushBuffer();
} catch (IllegalArgumentException e) {
response.sendError(HttpServletResponse.SC_NOT_FOUND);
}
}
Any idea what I'm doing wrong?
Edit: it's not a duplicate as below because I do not have a servlet mapping of just "/". Thus there is no default fall back mapping.
My full mapping.
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>2</load-on-startup>
</servlet>
<servlet>
<servlet-name>rest</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/getFile/*</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>rest</servlet-name>
<url-pattern>/rest/*</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>*.json</url-pattern>
</servlet-mapping>

Answer 1

Right so I fixed it by using the url
/getFile/getFile/{documentId}
on my client side.