Fixup

Author: pranavkm

src/Middleware/Session/src/DistributedSession.cs

@@ -267,6 +267,12 @@ public async Task LoadAsync(CancellationToken cancellationToken = default)
         /// <inheritdoc />
         public async Task CommitAsync(CancellationToken cancellationToken = default)
         {
+            if (!IsAvailable)
+            {
+                _logger.SessionNotAvailable();
+                return;
+            }
+
             using (var timeout = new CancellationTokenSource(_ioTimeout))
             {
                 var cts = CancellationTokenSource.CreateLinkedTokenSource(timeout.Token, cancellationToken);
@@ -350,11 +356,6 @@ private void Serialize(Stream output)
         {
             output.WriteByte(SerializationRevision);
             SerializeNumAs3Bytes(output, _store.Count);
-            if (!IsAvailable)
-            {
-                throw new InvalidOperationException("Cannot commit session data since initial load failed.");
-            }
-
             output.Write(IdBytes, 0, IdByteCount);
 
             foreach (var entry in _store)

src/Middleware/Session/src/LoggingExtensions.cs

@@ -19,6 +19,7 @@ internal static class LoggingExtensions
         private static Action<ILogger, Exception?> _sessionCommitCanceled;
         private static Action<ILogger, Exception?> _sessionRefreshTimeout;
         private static Action<ILogger, Exception?> _sessionRefreshCanceled;
+        private static Action<ILogger, Exception?> _sessionNotAvailable;
 
         static LoggingExtensions()
         {
@@ -70,6 +71,10 @@ static LoggingExtensions()
                 eventId: new EventId(12, "SessionRefreshCanceled"),
                 logLevel: LogLevel.Information,
                 formatString: "Refreshing the session was canceled.");
+            _sessionNotAvailable = LoggerMessage.Define(
+                eventId: new EventId(13, "SessionCommitNotAvailable"),
+                logLevel: LogLevel.Information,
+                formatString: "Session cannot be committed since it is unavailable.");
         }
 
         public static void ErrorClosingTheSession(this ILogger logger, Exception exception)
@@ -131,5 +136,7 @@ public static void SessionRefreshCanceled(this ILogger logger)
         {
             _sessionRefreshCanceled(logger, null);
         }
+
+        public static void SessionNotAvailable(this ILogger logger) => _sessionNotAvailable(logger, null);
     }
 }