CreateObject(“MSXML2.serverXMLHTTP.6.0”) and CreateObject(“WinHttp.WinHttpRequest.5.1”) crashes with 100+ objects/requests running at the same time

Question

I am trying to create 100-300 HTTP objects/requests at the same time using MSXML2.serverXMLHTTP.6.0 or WinHttp.WinHttpRequest.5.1 .

These requests are created on separate threads using a test application. Everything works fine with up-to 90 create objects/requests running at the same time.

When more then 100 are created/called at the same time, the application crashes with an exception in KERNELBASE.dll.

Code:

CreateObject("MSXML2.serverXMLHTTP.6.0")
CreateObject("WinHttp.WinHttpRequest.5.1")

set obj = CreateObject("MSXML2.serverXMLHTTP.6.0")
'set obj = CreateObject("WinHttp.WinHttpRequest.5.1")

obj.open "GET", "https://httpbin.org/get", true
'https://resttesttest.com/

obj.send   ' Mostly crashes here.
obj.WaitForResponse

result =  obj.responseTEXT

set obj = Nothing

Event Viewer Report:

Faulting module name: KERNELBASE.dll, version: 6.1.7601.18015, time stamp: 0x50b83c8a Exception code: 0xc00000fd Faulting module path: C:\\Windows\\syswow64\\KERNELBASE.dll

I have tried with Async being set to "true" and set to "false".

Can anyone please provide any pointers to debug this?

Answer 1

如果您这样做是为了破坏REST服务器并对其容量/吞吐量进行压力测试，那么我建议您为自己分配多个进程，每个进程都具有各自的线程池（尽管我仍不清楚您如何设法使用VBScript）。

Answer 2

If you have exhausted other possible cause I would make sure that there is not something wrong with the .dll here is the system file repair tool

https://support.microsoft.com/en-us/help/929833/use-the-system-file-checker-tool-to-repair-missing-or-corrupted-system-files

Also, I did a little digging into that specific .dll and most issues with KERNALBASE.dll are related to incompatibility between 32 and 64 bit applications

https://social.msdn.microsoft.com/Forums/vstudio/en-US/2556a86b-f82e-4efb-bcdd-19919facbff6/application-error-faulting-module-name-kernelbasedll-version-61760016385?forum=vcgeneral

http://zahirkhan.com/dotnet/faulting-module-path-kernelbasedll

I hope that this resolves your issue or at least gets you moving in the right direction.