Polishing

spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/condition/ProducesRequestCondition.java

@@ -226,9 +226,9 @@ public final class ProducesRequestCondition extends AbstractRequestCondition<Pro
 			}
 			return 0;
 		}
-		catch (HttpMediaTypeNotAcceptableException e) {
+		catch (HttpMediaTypeNotAcceptableException ex) {
 			// should never happen
-			throw new IllegalStateException("Cannot compare without having any requested media types");
+			throw new IllegalStateException("Cannot compare without having any requested media types", ex);
 		}
 	}
 

spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/condition/RequestMethodsRequestCondition.java

@@ -89,7 +89,6 @@ public final class RequestMethodsRequestCondition extends AbstractRequestConditi
 	/**
 	 * Check if any of the HTTP request methods match the given request and
 	 * return an instance that contains the matching HTTP request method only.
-	 *
 	 * @param request the current request
 	 * @return the same instance if the condition is empty, a new condition with
 	 * the matched request method, or {@code null} if no request methods match
@@ -114,7 +113,7 @@ public final class RequestMethodsRequestCondition extends AbstractRequestConditi
 		try {
 			return RequestMethod.valueOf(request.getMethod());
 		}
-		catch (IllegalArgumentException e) {
+		catch (IllegalArgumentException ex) {
 			return null;
 		}
 	}

spring-webmvc/src/main/java/org/springframework/web/servlet/tags/form/FormTag.java

@@ -383,7 +383,7 @@ public class FormTag extends AbstractHtmlElementTag {
 	}
 
 	private String getHttpMethod() {
-		return isMethodBrowserSupported(getMethod()) ? getMethod() : DEFAULT_METHOD;
+		return (isMethodBrowserSupported(getMethod()) ? getMethod() : DEFAULT_METHOD);
 	}
 
 	private void assertHttpMethod(String method) {