System.ArgumentOutOfRangeException: Length cannot be less than zero. about wangkanai HOT 8 CLOSED

Do you have the useragent? I would lilke to make test unit on this.

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Looking at your error say its ArgumentOutOfRangeException in the GetCrawler()
I like a useragent to test this out to fix the bug.
What are you using to check for error occurs?

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The same issue with PayPal IPN.
Can we just ignore any detection for API requests?

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Is there a way to that this controller request is api to ignore detection?

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Post-it
https://www.devtrends.co.uk/blog/conditional-middleware-based-on-request-in-asp.net-core

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I do have same issue.

Length cannot be less than zero.
Parameter name: length

An error occurred during the activation of a particular registration. See the inner exception for details. Registration: Activator = Detection (ReflectionActivator), Services = [Wangkanai.Detection.IDetection], Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime, Sharing = None, Ownership = OwnedByLifetimeScope ---> An error occurred during the activation of a particular registration. See the inner exception for details. Registration: Activator = CrawlerResolver (ReflectionActivator), Services = [Wangkanai.Detection.ICrawlerResolver], Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime, Sharing = None, Ownership = OwnedByLifetimeScope ---> An exception was thrown while invoking the constructor 'Void .ctor(Wangkanai.Detection.IUserAgentService)' on type 'CrawlerResolver'. ---> Length cannot be less than zero. Parameter name: length (See inner exception for details.) (See inner exception for details.) (See inner exception for details.) An error occurred during the activation of a particular registration. See the inner exception for details. Registration: Activator = CrawlerResolver (ReflectionActivator), Services = [Wangkanai.Detection.ICrawlerResolver], Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime, Sharing = None, Ownership = OwnedByLifetimeScope ---> An exception was thrown while invoking the constructor 'Void .ctor(Wangkanai.Detection.IUserAgentService)' on type 'CrawlerResolver'. ---> Length cannot be less than zero. Parameter name: length (See inner exception for details.) (See inner exception for details.) An exception was thrown while invoking the constructor 'Void .ctor(Wangkanai.Detection.IUserAgentService)' on type 'CrawlerResolver'. ---> Length cannot be less than zero. Parameter name: length (See inner exception for details.) Length cannot be less than zero. Parameter name: length

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Looks like PR #91 should fix this

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