Try to fix the consumer reconnection bug. (#966)

src/DotNetCore.CAP/Internal/IConsumerRegister.Default.cs

@@ -75,9 +75,18 @@ namespace DotNetCore.CAP.Internal
             foreach (var matchGroup in groupingMatches)
             {
                 ICollection<string> topics;
-                using (var client = _consumerClientFactory.Create(matchGroup.Key))
+                try
                 {
-                    topics = client.FetchTopics(matchGroup.Value.Select(x => x.TopicName));
+                    using (var client = _consumerClientFactory.Create(matchGroup.Key))
+                    {
+                        topics = client.FetchTopics(matchGroup.Value.Select(x => x.TopicName));
+                    }
+                }
+                catch (BrokerConnectionException e)
+                {
+                    _isHealthy = false;
+                    _logger.LogError(e, e.Message);
+                    return;
                 }
 
                 for (int i = 0; i < _options.ConsumerThreadCount; i++)
@@ -122,7 +131,7 @@ namespace DotNetCore.CAP.Internal
             if (!IsHealthy() || force)
             {
                 Pulse();
-
+                
                 _cts = new CancellationTokenSource();
                 _isHealthy = true;
 

src/DotNetCore.CAP/Internal/LoggerExtensions.cs

@@ -35,11 +35,6 @@ namespace DotNetCore.CAP.Internal
             logger.LogWarning($"The {retries}th retrying send a message failed. message id: {messageId} ");
         }
 
-        public static void MessageHasBeenSent(this ILogger logger, string name, string content)
-        {
-            logger.LogDebug($"Message published. name: {name}, content:{content}.");
-        }
-
         public static void MessageReceived(this ILogger logger, string messageId, string name)
         {
             logger.LogDebug($"Received message. id:{messageId}, name: {name}");
@@ -74,11 +69,5 @@ namespace DotNetCore.CAP.Internal
         {
             logger.LogWarning(ex, $"Expected an OperationCanceledException, but found '{ex.Message}'.");
         }
-
-        public static void ModelBinderFormattingException(this ILogger logger, string methodName, string parameterName,
-            string content, Exception ex)
-        {
-            logger.LogError(ex, $"When call subscribe method, a parameter format conversion exception occurs. MethodName:'{methodName}' ParameterName:'{parameterName}' Content:'{content}'.");
-        }
     }
 }

src/DotNetCore.CAP/Processor/IProcessor.TransportCheck.cs

@@ -28,6 +28,8 @@ namespace DotNetCore.CAP.Processor
                 throw new ArgumentNullException(nameof(context));
             }
 
+            context.ThrowIfStopping();
+
             _logger.LogDebug("Transport connection checking...");
 
             if (!_register.IsHealthy())