bug fixed

samples/Sample.RabbitMQ.MySql/Controllers/ValuesController.cs

 using System;
-using System.Collections.Generic;
 using System.Data;
 using System.Threading.Tasks;
 using Dapper;
@@ -36,7 +35,7 @@ namespace Sample.RabbitMQ.MySql.Controllers
         {
             using (var connection = new MySqlConnection(AppDbContext.ConnectionString))
             {
-                using (var transaction = connection.BeginTransaction(_capBus, autoCommit: false))
+                using (var transaction = connection.BeginTransaction(_capBus, true))
                 {
                     //your business code
                     connection.Execute("insert into test(name) values('test')", transaction: (IDbTransaction)transaction.DbTransaction);
@@ -45,8 +44,6 @@ namespace Sample.RabbitMQ.MySql.Controllers
                     //{
                     _capBus.Publish("sample.rabbitmq.mysql", DateTime.Now);
                     //}
-
-                    transaction.Commit();
                 }
             }
 
@@ -60,7 +57,7 @@ namespace Sample.RabbitMQ.MySql.Controllers
             {
                 dbContext.Persons.Add(new Person() { Name = "ef.transaction" });
 
-                for (int i = 0; i < 5; i++)
+                for (int i = 0; i < 1; i++)
                 {
                     _capBus.Publish("sample.rabbitmq.mysql", DateTime.Now);
                 }
@@ -74,7 +71,7 @@ namespace Sample.RabbitMQ.MySql.Controllers
 
         [NonAction]
         [CapSubscribe("sample.rabbitmq.mysql")]
-        public void Subscriber(Person2 p)
+        public void Subscriber(DateTime p)
         {
             Console.WriteLine($@"{DateTime.Now} Subscriber invoked, Info: {p}");
         }

samples/Sample.RabbitMQ.MySql/Sample.RabbitMQ.MySql.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Pomelo.EntityFrameworkCore.MySql" Version="2.2.6" />
+    <PackageReference Include="Pomelo.EntityFrameworkCore.MySql" Version="3.0.0-rc1.final" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\src\DotNetCore.CAP.MySql\DotNetCore.CAP.MySql.csproj" />

src/DotNetCore.CAP.MySql/MySqlDataStorage.cs

@@ -34,8 +34,8 @@ namespace DotNetCore.CAP.MySql
                 await connection.ExecuteAsync(sql, new
                 {
                     Id = message.DbId,
-                    Retries = message.Retries,
-                    ExpiresAt = message.ExpiresAt,
+                    message.Retries,
+                    message.ExpiresAt,
                     StatusName = state.ToString("G")
                 });
             }
@@ -50,8 +50,8 @@ namespace DotNetCore.CAP.MySql
                 await connection.ExecuteAsync(sql, new
                 {
                     Id = message.DbId,
-                    Retries = message.Retries,
-                    ExpiresAt = message.ExpiresAt,
+                    message.Retries,
+                    message.ExpiresAt,
                     StatusName = state.ToString("G")
                 });
             }
@@ -61,7 +61,7 @@ namespace DotNetCore.CAP.MySql
         {
             var sql = $"INSERT INTO `{_options.Value.TableNamePrefix}.published`(`Id`,`Version`,`Name`,`Content`,`Retries`,`Added`,`ExpiresAt`,`StatusName`) VALUES(@Id,'{_options.Value.Version}',@Name,@Content,@Retries,@Added,@ExpiresAt,@StatusName);";
 
-            var message = new MediumMessage()
+            var message = new MediumMessage
             {
                 DbId = content.GetId(),
                 Origin = content,
@@ -75,9 +75,9 @@ namespace DotNetCore.CAP.MySql
                 Id = message.DbId,
                 Name = name,
                 Content = StringSerializer.Serialize(message.Origin),
-                Retries = message.Retries,
-                Added = message.Added,
-                ExpiresAt = message.ExpiresAt,
+                message.Retries,
+                message.Added,
+                message.ExpiresAt,
                 StatusName = StatusName.Scheduled
             };
 
@@ -103,37 +103,56 @@ namespace DotNetCore.CAP.MySql
             return message;
         }
 
-        public Task<MediumMessage> StoreMessageAsync(string name, string group, Message content, CancellationToken cancellationToken = default)
+        public async Task StoreReceivedExceptionMessageAsync(string name, string group, string content)
         {
             var sql = $@"INSERT INTO `{_options.Value.TableNamePrefix}.received`(`Id`,`Version`,`Name`,`Group`,`Content`,`Retries`,`Added`,`ExpiresAt`,`StatusName`) VALUES(@Id,'{_options.Value.Version}',@Name,@Group,@Content,@Retries,@Added,@ExpiresAt,@StatusName);";
 
-            var message = new MediumMessage()
+            using (var connection = new MySqlConnection(_options.Value.ConnectionString))
+            {
+                await connection.ExecuteAsync(sql, new
+                {
+                    Id = SnowflakeId.Default().NextId().ToString(),
+                    Group = group,
+                    Name = name,
+                    Content = content,
+                    Retries = _capOptions.Value.FailedRetryCount,
+                    Added = DateTime.Now,
+                    ExpiresAt = DateTime.Now.AddDays(15),
+                    StatusName = nameof(StatusName.Failed)
+                });
+            }
+        }
+
+        public Task<MediumMessage> StoreReceivedMessageAsync(string name, string group, Message message)
+        {
+            var sql = $@"INSERT INTO `{_options.Value.TableNamePrefix}.received`(`Id`,`Version`,`Name`,`Group`,`Content`,`Retries`,`Added`,`ExpiresAt`,`StatusName`) VALUES(@Id,'{_options.Value.Version}',@Name,@Group,@Content,@Retries,@Added,@ExpiresAt,@StatusName);";
+
+            var mdMessage = new MediumMessage
             {
                 DbId = SnowflakeId.Default().NextId().ToString(),
-                Origin = content,
+                Origin = message,
                 Added = DateTime.Now,
                 ExpiresAt = null,
                 Retries = 0
             };
-
-            var po = new
-            {
-                Id = message.DbId,
-                Group = group,
-                Name = name,
-                Content = StringSerializer.Serialize(message.Origin),
-                Retries = message.Retries,
-                Added = message.Added,
-                ExpiresAt = message.ExpiresAt,
-                StatusName = nameof(StatusName.Scheduled)
-            };
-
+            var content = StringSerializer.Serialize(mdMessage.Origin);
             using (var connection = new MySqlConnection(_options.Value.ConnectionString))
             {
-                connection.Execute(sql, po);
+               
+                connection.Execute(sql, new
+                {
+                    Id = mdMessage.DbId,
+                    Group = group,
+                    Name = name,
+                    Content = content,
+                    mdMessage.Retries,
+                    mdMessage.Added,
+                    mdMessage.ExpiresAt,
+                    StatusName = nameof(StatusName.Scheduled)
+                });
             }
 
-            return Task.FromResult(message);
+            return Task.FromResult(mdMessage);
         }
 
         public async Task<int> DeleteExpiresAsync(string table, DateTime timeout, int batchCount = 1000, CancellationToken token = default)
@@ -157,7 +176,7 @@ namespace DotNetCore.CAP.MySql
                 var reader = await connection.ExecuteReaderAsync(sql);
                 while (reader.Read())
                 {
-                    result.Add(new MediumMessage()
+                    result.Add(new MediumMessage
                     {
                         DbId = reader.GetInt64(0).ToString(),
                         Origin = StringSerializer.DeSerialize(reader.GetString(3)),
@@ -181,7 +200,7 @@ namespace DotNetCore.CAP.MySql
                 var reader = await connection.ExecuteReaderAsync(sql);
                 while (reader.Read())
                 {
-                    result.Add(new MediumMessage()
+                    result.Add(new MediumMessage
                     {
                         DbId = reader.GetInt64(0).ToString(),
                         Origin = StringSerializer.DeSerialize(reader.GetString(3)),

src/DotNetCore.CAP/Abstractions/CapPublisher.cs

@@ -57,7 +57,7 @@ namespace DotNetCore.CAP.Abstractions
                 optionHeaders.Add(Headers.CorrelationSequence, 0.ToString());
             }
             optionHeaders.Add(Headers.MessageName, name);
-            optionHeaders.Add(Headers.Type, typeof(T).AssemblyQualifiedName);
+            optionHeaders.Add(Headers.Type, typeof(T).FullName);
             optionHeaders.Add(Headers.SentTime, DateTimeOffset.Now.ToString());
 
             var message = new Message(optionHeaders, value);
@@ -79,7 +79,7 @@ namespace DotNetCore.CAP.Abstractions
                 {
                     var transaction = (CapTransactionBase)Transaction.Value;
 
-                    var mediumMessage = await _storage.StoreMessageAsync(name, message, transaction, cancellationToken);
+                    var mediumMessage = await _storage.StoreMessageAsync(name, message, transaction.DbTransaction, cancellationToken);
 
                     s_diagnosticListener.WritePublishMessageStoreAfter(operationId, message);
 

src/DotNetCore.CAP/IConsumerRegister.Default.cs

@@ -4,6 +4,8 @@
 using System;
 using System.Diagnostics;
 using System.Linq;
+using System.Text;
+using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
 using DotNetCore.CAP.Diagnostics;
@@ -170,18 +172,44 @@ namespace DotNetCore.CAP
 
                     var type = executor.Parameters.FirstOrDefault(x => x.IsFromCap == false)?.ParameterType;
 
-                    var message = await _serializer.DeserializeAsync(transportMessage, type);
+                    Message message;
+                    try
+                    {
+                        message = await _serializer.DeserializeAsync(transportMessage, type);
+                    }
+                    catch (Exception e)
+                    {
+                        transportMessage.Headers.Add(Headers.Exception, e.Message);
+                        var dataUri = $"data:{transportMessage.Headers[Headers.Type]};base64," + Convert.ToBase64String(transportMessage.Body);
+                        message = new Message(transportMessage.Headers, dataUri);
+                    }
 
-                    var mediumMessage = await _storage.StoreMessageAsync(name, group, message);
+                    if (message.HasException())
+                    {
+                        var content = StringSerializer.Serialize(message);
+                        await _storage.StoreReceivedExceptionMessageAsync(name, group, content);
 
-                    client.Commit();
+                        client.Commit();
 
-                    if (operationId != null)
-                    {
-                        TracingAfter(operationId.Value, message, startTime, stopwatch.Elapsed);
+                        if (operationId != null)
+                        {
+                            TracingAfter(operationId.Value, message, startTime, stopwatch.Elapsed);
+                        }
                     }
+                    else
+                    {
+                        var mediumMessage = await _storage.StoreReceivedMessageAsync(name, group, message);
+                        mediumMessage.Origin = message;
 
-                    _dispatcher.EnqueueToExecute(mediumMessage, executor);
+                        client.Commit();
+
+                        if (operationId != null)
+                        {
+                            TracingAfter(operationId.Value, message, startTime, stopwatch.Elapsed);
+                        }
+
+                        _dispatcher.EnqueueToExecute(mediumMessage, executor);
+                    }
                 }
                 catch (Exception e)
                 {

src/DotNetCore.CAP/Messages/Headers.cs

@@ -23,5 +23,7 @@
         public const string Group = "cap-msg-group";
 
         public const string SentTime = "cap-senttime";
+
+        public const string Exception = "cap-exception";
     }
 }

src/DotNetCore.CAP/Messages/Message.cs

@@ -51,6 +51,11 @@ namespace DotNetCore.CAP.Messages
 
             return 0;
         }
+
+        public static bool HasException(this Message message)
+        {
+            return message.Headers.ContainsKey(Headers.Exception);
+        }
     }
 
 }
\ No newline at end of file

src/DotNetCore.CAP/Persistence/IDataStorage.cs

@@ -15,7 +15,9 @@ namespace DotNetCore.CAP.Persistence
 
         Task<MediumMessage> StoreMessageAsync(string name, Message content, object dbTransaction = null, CancellationToken cancellationToken = default);
 
-        Task<MediumMessage> StoreMessageAsync(string name, string group, Message content, CancellationToken cancellationToken = default);
+        Task StoreReceivedExceptionMessageAsync(string name, string group, string content);
+
+        Task<MediumMessage> StoreReceivedMessageAsync(string name, string group, Message content);
 
         Task<int> DeleteExpiresAsync(string table, DateTime timeout, int batchCount = 1000, CancellationToken token = default);