Merge pull request #3185 from Ullmie02/api-exception-handling

Don't Send Exception Messages (Old API)

Emby.Server.Implementations/HttpServer/HttpListenerHost.cs

@@ -230,7 +230,9 @@ namespace Emby.Server.Implementations.HttpServer
 
             httpRes.StatusCode = statusCode;
 
-            var errContent = NormalizeExceptionMessage(ex) ?? string.Empty;
+            var errContent = _hostEnvironment.IsDevelopment()
+                    ? (NormalizeExceptionMessage(ex) ?? string.Empty)
+                    : "Error processing request.";
             httpRes.ContentType = "text/plain";
             httpRes.ContentLength = errContent.Length;
             await httpRes.WriteAsync(errContent).ConfigureAwait(false);