Return rather than throw converted http exception

Fix HttpInvokerClientInterceptor.convertHttpInvokerAccessException to
return the translated exception rather than throwing it. This brings
the method implementation in line with the Java Doc and the obvious
original intent.

Issue: SPR-10965

spring-web/src/main/java/org/springframework/remoting/httpinvoker/HttpInvokerClientInterceptor.java

@@ -202,18 +202,18 @@ public class HttpInvokerClientInterceptor extends RemoteInvocationBasedAccessor
 	 */
 	protected RemoteAccessException convertHttpInvokerAccessException(Throwable ex) {
 		if (ex instanceof ConnectException) {
-			throw new RemoteConnectFailureException(
+			return new RemoteConnectFailureException(
 					"Could not connect to HTTP invoker remote service at [" + getServiceUrl() + "]", ex);
 		}
-		else if (ex instanceof ClassNotFoundException || ex instanceof NoClassDefFoundError ||
+
+		if (ex instanceof ClassNotFoundException || ex instanceof NoClassDefFoundError ||
 				ex instanceof InvalidClassException) {
-			throw new RemoteAccessException(
+			return new RemoteAccessException(
 					"Could not deserialize result from HTTP invoker remote service [" + getServiceUrl() + "]", ex);
 		}
-		else {
-			throw new RemoteAccessException(
-				"Could not access HTTP invoker remote service at [" + getServiceUrl() + "]", ex);
-		}
+
+		return new RemoteAccessException(
+					"Could not access HTTP invoker remote service at [" + getServiceUrl() + "]", ex);
 	}
 
 }