Cannot amend properties in RequestMappingHandlerMapping (e.g. useSuffixPatternMatch) using a bean post processor as ApplicationContextAwareProcessor always fires first initialising RequestMappingHandlerMapping

Issue: SPR-9371

Author: jhoeller

org.springframework.web.servlet/src/test/java/org/springframework/web/servlet/config/annotation/WebMvcConfigurationSupportTests.java

@@ -83,6 +83,7 @@ public void requestMappingHandlerMapping() throws Exception {
 		assertEquals(0, handlerMapping.getOrder());
 
 		handlerMapping.setApplicationContext(cxt);
+		handlerMapping.afterPropertiesSet();
 		HandlerExecutionChain chain = handlerMapping.getHandler(new MockHttpServletRequest("GET", "/"));
 		assertNotNull(chain.getInterceptors());
 		assertEquals(ConversionServiceExposingInterceptor.class, chain.getInterceptors()[0].getClass());
@@ -167,7 +168,6 @@ public void handlerExceptionResolver() throws Exception {
 
 	@Test
 	public void webMvcConfigurerExtensionHooks() throws Exception {
-
 		StaticWebApplicationContext appCxt = new StaticWebApplicationContext();
 		appCxt.setServletContext(new MockServletContext(new FileSystemResourceLoader()));
 		appCxt.registerSingleton("controller", TestController.class);
@@ -204,6 +204,7 @@ public void webMvcConfigurerExtensionHooks() throws Exception {
 
 		RequestMappingHandlerMapping rmHandlerMapping = webConfig.requestMappingHandlerMapping();
 		rmHandlerMapping.setApplicationContext(appCxt);
+		rmHandlerMapping.afterPropertiesSet();
 		HandlerExecutionChain chain = rmHandlerMapping.getHandler(new MockHttpServletRequest("GET", "/"));
 		assertNotNull(chain.getInterceptors());
 		assertEquals(2, chain.getInterceptors().length);