在订阅发生错误时，其表现与预期不符（FailedRetryInterval=60，FailedRetryCount=50）
在发生错误后 CAP 组件立即进行了重试，并且在重试 3 次后停止，配置和报错信息如下：
services.AddCap(cap =>
{
cap.UseMySql("Server=172.19.50.115;Database=testengine;Uid=sa;Pwd=root;");
cap.UseRabbitMQ(mq =>
{
mq.ExchangeName = "test-cap";
mq.HostName = "172.19.50.111";
mq.UserName = "test";
mq.Password = "test";
});
cap.DefaultGroup = "test-cap";
cap.UseDashboard();
});bus.PublishAsync("test-cap-as-event-bus", DateTime.Now);[NonAction]
[CapSubscribe("test-cap-as-event-bus")]
public void TestCap(DateTime now)
{
Console.WriteLine($"success at publish: " + now.ToLongTimeString());
throw new Exception();
}fail: DotNetCore.CAP.DefaultSubscriberExecutor[0]
An exception occurred while executing the subscription method. Topic:test-cap-as-event-bus, Id:1102916757616578560
DotNetCore.CAP.Internal.SubscriberExecutionFailedException: Exception of type 'System.Exception' was thrown. ---> System.Exception: Exception of type 'System.Exception' was thrown.
at test_cap.Controllers.ValuesController.TestCap(DateTime now) in /Users/jake/Projects/test-cap/test-cap/Controllers/ValuesController.cs:line 34
at Microsoft.Extensions.Internal.ObjectMethodExecutor.<>c__DisplayClass30_0.<WrapVoidMethod>b__0(Object target, Object[] parameters) in C:\projects\cap\src\DotNetCore.CAP\Internal\ObjectMethodExecutor\ObjectMethodExecutor.cs:line 194
at DotNetCore.CAP.Internal.DefaultConsumerInvoker.ExecuteWithParameterAsync(ObjectMethodExecutor executor, Object class, String parameterString) in C:\projects\cap\src\DotNetCore.CAP\Internal\IConsumerInvoker.Default.cs:line 87
at DotNetCore.CAP.Internal.DefaultConsumerInvoker.InvokeAsync(ConsumerContext context) in C:\projects\cap\src\DotNetCore.CAP\Internal\IConsumerInvoker.Default.cs:line 51
at DotNetCore.CAP.DefaultSubscriberExecutor.InvokeConsumerMethodAsync(CapReceivedMessage receivedMessage) in C:\projects\cap\src\DotNetCore.CAP\ISubscribeExecutor.Default.cs:line 181
--- End of inner exception stack trace ---
at DotNetCore.CAP.DefaultSubscriberExecutor.InvokeConsumerMethodAsync(CapReceivedMessage receivedMessage) in C:\projects\cap\src\DotNetCore.CAP\ISubscribeExecutor.Default.cs:line 194
at DotNetCore.CAP.DefaultSubscriberExecutor.ExecuteWithoutRetryAsync(CapReceivedMessage message) in C:\projects\cap\src\DotNetCore.CAP\ISubscribeExecutor.Default.cs:line 88
warn: DotNetCore.CAP.DefaultSubscriberExecutor[0]
The 1th retrying consume a message failed. message id: 1102916757616578560
dbug: DotNetCore.CAP.Internal.DefaultConsumerInvoker[0]
Executing consumer Topic: TestCap
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