SPR-8678 Use the lookup path to determine the media type by file name.

org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/view/ContentNegotiatingViewResolver.java

@@ -314,7 +314,7 @@ public class ContentNegotiatingViewResolver extends WebApplicationObjectSupport
 	 */
 	protected List<MediaType> getMediaTypes(HttpServletRequest request) {
 		if (this.favorPathExtension) {
-			String requestUri = urlPathHelper.getRequestUri(request);
+			String requestUri = urlPathHelper.getLookupPathForRequest(request);
 			String filename = WebUtils.extractFullFilenameFromUrlPath(requestUri);
 			MediaType mediaType = getMediaTypeFromFilename(filename);
 			if (mediaType != null) {

org.springframework.web.servlet/src/test/java/org/springframework/web/servlet/view/ContentNegotiatingViewResolverTests.java

@@ -94,6 +94,17 @@ public class ContentNegotiatingViewResolverTests {
 				result);
 	}
 
+	// SPR-8678
+	
+	@Test
+	public void getMediaTypeFilenameWithContextPath() {
+		request.setContextPath("/project-1.0.0.M3");
+		request.setRequestURI("/project-1.0.0.M3/");
+		assertTrue("Context path should be excluded", viewResolver.getMediaTypes(request).isEmpty());
+		request.setRequestURI("/project-1.0.0.M3");
+		assertTrue("Context path should be excluded", viewResolver.getMediaTypes(request).isEmpty());
+	}
+
 	@Test
 	public void getMediaTypeParameter() {
 		viewResolver.setFavorParameter(true);