source/Plugins/AyaNova.Plugin.V8/V8.cs

@@ -5507,6 +5507,13 @@ namespace AyaNova.PlugIn.V8
 
                 progress.SubOp("Wikifile: \"" + af.Name + "\" " + AyaBizUtils.FileSizeDisplay((decimal)af.FileSize));
                 if (IsDuplicatev7v8IdMapItem(i.LT_O_AyaFile.Value, i.LT_O_AyaFile.Display, progress)) continue;
+                
+                if (af.FileSize > SmallestFileUploadRejectedAsTooBig)
+                {
+                    progress.Append("WIKI Attachment file " + i.LT_O_AyaFile.Display + " too large (" + af.FileSize.ToString() + ") for this server. Adjust destination server settings to allow");                   
+                    continue;
+                }
+
                 //Compile the FileData property
                 var sDate = i.LT_Common_Label_Created.ToString();
                 DateTimeOffset dtLastModified = DateTime.UtcNow;
@@ -5563,7 +5570,30 @@ namespace AyaNova.PlugIn.V8
                 formDataContent.Add(AttachmentFile);
 
                 //Upload
-                var a = await util.PostFormDataAsync("attachment", formDataContent);
+                util.ApiResponse a = null;
+
+                try
+                {
+                    a=await util.PostFormDataAsync("attachment", formDataContent);
+                }
+                catch (Exception ex)
+                {
+                    if (ex.Message.Contains("413"))
+                    {
+                        if (SmallestFileUploadRejectedAsTooBig > af.FileSize)
+                            SmallestFileUploadRejectedAsTooBig = af.FileSize;
+                        progress.Append("WIKI Attachment file " + i.LT_O_AyaFile.Display + " too large (" + af.FileSize.ToString() + ") for this server. Adjust destination server settings to allow");
+                        continue;
+
+                    }
+                    else
+                    {
+                        throw;
+                    }
+                }
+
+
+
                 //Map it for later processing of wiki
                 //attachment upload route returns all attachments for this object in file name order
                 //so need to find *our* most recent uploaded attachment so need to find the highest raven id number

source/Plugins/AyaNova.Plugin.V8/util.cs

@@ -359,6 +359,8 @@ namespace AyaNova.PlugIn.V8
                 }
                 catch (Exception ex)
                 {
+                    if (ex.Message.Contains("413")) throw;//too large, no point in retrying at all let upstream caller handle it immediately
+
                     if (FirstException == null)
                         FirstException = ex;
                 }