Handle request sender exceptions.

src/Squidex.Domain.Apps.Read/Webhooks/WebhookSender.cs

@@ -26,6 +26,8 @@ namespace Squidex.Domain.Apps.Read.Webhooks
             HttpRequestMessage request = BuildRequest(job);
             HttpResponseMessage response = null;
 
+            var responseString = string.Empty;
+
             var isTimeout = false;
 
             var watch = Stopwatch.StartNew();
@@ -45,19 +47,21 @@ namespace Squidex.Domain.Apps.Read.Webhooks
             {
                 isTimeout = true;
             }
+            catch (Exception ex)
+            {
+                responseString = ex.Message;
+            }
             finally
             {
                 watch.Stop();
             }
 
-            var responseString = string.Empty;
-
             if (response != null)
             {
                 responseString = await response.Content.ReadAsStringAsync();
             }
 
-            var dump = DumpFormatter.BuildDump(request, response, job.RequestBody, responseString, watch.Elapsed);
+            var dump = DumpFormatter.BuildDump(request, response, job.RequestBody, responseString, watch.Elapsed, isTimeout);
 
             var result = WebhookResult.Failed;
 

src/Squidex.Infrastructure/Http/DumpFormatter.cs

@@ -18,7 +18,7 @@ namespace Squidex.Infrastructure.Http
 {
     public static class DumpFormatter
     {
-        public static string BuildDump(HttpRequestMessage request, HttpResponseMessage response, string requestBody, string responseBody, TimeSpan elapsed)
+        public static string BuildDump(HttpRequestMessage request, HttpResponseMessage response, string requestBody, string responseBody, TimeSpan elapsed, bool isTimeout)
         {
             var writer = new StringBuilder();
 
@@ -29,7 +29,7 @@ namespace Squidex.Infrastructure.Http
             writer.AppendLine();
 
             writer.AppendLine("Response:");
-            writer.AppendResponse(response, responseBody, elapsed);
+            writer.AppendResponse(response, responseBody, elapsed, isTimeout);
 
             return writer.ToString();
         }
@@ -50,7 +50,7 @@ namespace Squidex.Infrastructure.Http
             }
         }
 
-        private static void AppendResponse(this StringBuilder writer, HttpResponseMessage response, string responseBody, TimeSpan elapsed)
+        private static void AppendResponse(this StringBuilder writer, HttpResponseMessage response, string responseBody, TimeSpan elapsed, bool isTimeout)
         {
             if (response != null)
             {
@@ -61,17 +61,21 @@ namespace Squidex.Infrastructure.Http
 
                 writer.AppendHeaders(response.Headers);
                 writer.AppendHeaders(response.Content?.Headers);
+            }
 
-                if (!string.IsNullOrWhiteSpace(responseBody))
-                {
-                    writer.AppendLine();
-                    writer.AppendLine(responseBody);
-                }
+            if (!string.IsNullOrWhiteSpace(responseBody))
+            {
+                writer.AppendLine();
+                writer.AppendLine(responseBody);
+            }
 
+            if (response != null)
+            {
                 writer.AppendLine();
                 writer.AppendLine($"Elapsed: {elapsed}");
             }
-            else
+
+            if (isTimeout)
             {
                 writer.AppendLine($"Timeout after {elapsed}");
             }