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Blog - Logging errors in NServiceBus
public class GlobalErrorHandler : IWantToRunWhenBusStartsAndStops
{
private readonly ILogger _logger;
private readonly BusNotifications _busNotifications;
readonly List<IDisposable> _notificationSubscriptions = new List<IDisposable>();
public GlobalErrorHandler(ILogger logger, BusNotifications busNotifications)
{
_logger = logger;
_busNotifications = busNotifications;
}
public void Start()
{
_notificationSubscriptions.Add(_busNotifications.Errors.MessageSentToErrorQueue.Subscribe(LogWhenMessageSentToErrorQueue));
}
public void Stop()
{
foreach (var subscription in _notificationSubscriptions)
{
subscription.Dispose();
}
}
private void LogWhenMessageSentToErrorQueue(FailedMessage message)
{
var properties = new
{
MessageType = message.Headers["NServiceBus.EnclosedMessageTypes"],
MessageId = message.Headers["NServiceBus.MessageId"],
OriginatingMachine = message.Headers["NServiceBus.OriginatingMachine"],
OriginatingEndpoint = message.Headers["NServiceBus.OriginatingEndpoint"],
ExceptionType = message.Headers["NServiceBus.ExceptionInfo.ExceptionType"],
ExceptionMessage = message.Headers["NServiceBus.ExceptionInfo.Message"],
ExceptionSource = message.Headers["NServiceBus.ExceptionInfo.Source"],
TimeSent = message.Headers["NServiceBus.TimeSent"]
};
_logger.Error("Message sent to error queue. " + properties, message.Exception);
}
}
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