Fixed amended temp file clean-up routine to restore behaviour of continuing on single file error.

src/Umbraco.Core/IO/CleanFolderResult.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
 
 namespace Umbraco.Core.IO
@@ -16,11 +17,9 @@ namespace Umbraco.Core.IO
         {
         }
 
-        public CleanFolderResultStatus Status { get; set; }
+        public CleanFolderResultStatus Status { get; private set; }
 
-        public Exception Exception { get; set; }
-
-        public FileInfo ErroringFile { get; set; }
+        public IReadOnlyCollection<Error> Errors { get; private set; }
 
         public static CleanFolderResult Success()
         {
@@ -32,14 +31,26 @@ namespace Umbraco.Core.IO
             return new CleanFolderResult { Status = CleanFolderResultStatus.FailedAsDoesNotExist };
         }
 
-        public static CleanFolderResult FailedWithException(Exception exception, FileInfo erroringFile)
+        public static CleanFolderResult FailedWithErrors(List<Error> errors)
         {
             return new CleanFolderResult
             {
                 Status = CleanFolderResultStatus.FailedWithException,
-                Exception = exception,
-                ErroringFile = erroringFile,
+                Errors = errors.AsReadOnly(),
             };
         }
+
+        public class Error
+        {
+            public Error(Exception exception, FileInfo erroringFile)
+            {
+                Exception = exception;
+                ErroringFile = erroringFile;
+            }
+
+            public Exception Exception { get; set; }
+
+            public FileInfo ErroringFile { get; set; }
+        }
     }
 }

src/Umbraco.Core/IO/IOHelper.cs

@@ -224,6 +224,7 @@ namespace Umbraco.Core.IO
             }
 
             var files = folder.GetFiles("*.*", SearchOption.AllDirectories);
+            var errors = new List<CleanFolderResult.Error>();
             foreach (var file in files)
             {
                 if (DateTime.UtcNow - file.LastWriteTimeUtc > age)
@@ -235,13 +236,14 @@ namespace Umbraco.Core.IO
                     }
                     catch (Exception ex)
                     {
-                        return CleanFolderResult.FailedWithException(ex, file);
+                        errors.Add(new CleanFolderResult.Error(ex, file));
                     }
                 }
             }
 
-            return CleanFolderResult.Success();
+            return errors.Any()
+                ? CleanFolderResult.FailedWithErrors(errors)
+                : CleanFolderResult.Success();
         }
-
     }
 }

src/Umbraco.Infrastructure/HostedServices/TempFileCleanup.cs

@@ -56,7 +56,11 @@ namespace Umbraco.Infrastructure.HostedServices
                     _logger.LogDebug("The cleanup folder doesn't exist {Folder}", folder.FullName);
                     break;
                 case CleanFolderResultStatus.FailedWithException:
-                    _logger.LogError(result.Exception, "Could not delete temp file {FileName}", result.ErroringFile.FullName);
+                    foreach (var error in result.Errors)
+                    {
+                        _logger.LogError(error.Exception, "Could not delete temp file {FileName}", error.ErroringFile.FullName);
+                    }
+
                     break;
             }