Add explicit handler for HttpRequestMethodNotSupportedException

Fixes spring-atticgh-408

Author: Dave Syer

spring-security-oauth2/src/main/java/org/springframework/security/oauth2/provider/endpoint/TokenEndpoint.java

@@ -155,6 +155,12 @@ protected String getClientId(Principal principal) {
 		return clientId;
 	}
 
+	@ExceptionHandler(HttpRequestMethodNotSupportedException.class)
+	public void handleHttpRequestMethodNotSupportedException(HttpRequestMethodNotSupportedException e) throws Exception {
+	    logger.info("Handling error: " + e.getClass().getSimpleName() + ", " + e.getMessage());
+	    throw e;
+	}
+	
 	@ExceptionHandler(Exception.class)
 	public ResponseEntity<OAuth2Exception> handleException(Exception e) throws Exception {
 	    logger.info("Handling error: " + e.getClass().getSimpleName() + ", " + e.getMessage());

tests/annotation/jwt/src/main/resources/application.yml

@@ -6,3 +6,6 @@ management:
 security:
   user:
     password: password
+logging:
+  level:
+    org.springframework.security: DEBUG