The lock supplied is invalid. Either the lock expired, or the message has already been removed from the queue

Question

I\'m using a Microsoft azure service bus queue to process calculations and my program runs fine for a few hours but then I start to get this exception for every message that

Answer 1

Instead of renewing the lock manualy, when you create the client subscription, try auto renewing it using the client's OnMessageOptions() like this:

        OnMessageOptions options = new OnMessageOptions();

        options.AutoRenewTimeout = TimeSpan.FromMinutes(1);

        try
        {
            client = Subscription.CreateClient();

            client.OnMessageAsync(MessageReceivedComplete, options);
        }
        catch (Exception ex)
        {
            throw new Exception (ex);
        }