Error using webwrite: "Recv failure: Connection was reset"

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Donavan Haidinger 2024-8-13，16:17

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https://ww2.mathworks.cn/matlabcentral/answers/2145049-error-using-webwrite-recv-failure-connection-was-reset

评论： Donavan Haidinger 2024-8-13，21:04

I am using webwrite and get the following error:

"Error connecting to [targeturl]: Recv failure: Connection was reset"

This is the matlab code:

options = weboptions('MediaType','application/x-www-form-urlencoded','Timeout',Inf);

response = webwrite(url,data,options);

When I execute my equivalent url/data call from Chrome, it works just fine.

It's knowingly a semi-long wait time for the response. (I'm requesting my target server to build a large CSV dataset then respond with the URL for the CSV). 'response' is simply a text string of the CSV url. (Separate code to fetch the CSV works just fine)

The url/data call used to work fine with a Timeout of 900s, then I increased my request to ask for a dataset about 10%-15% larger. Now I keep getting the above error, even though the Timeout upper limit should actually be a little over 2000s. I've also tried manual Timeout thesholds at 1000, 1200, 1800, etc to no avail.

It seems like even thought the Timeout is 2000+... something is still timing out...

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Answer 1

Naga 2024-8-13，17:21

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在 MATLAB Online 中打开

Hi Donavan,

I came across a similar issue and the error might be because of an issue outside MATLAB. To test this hypothesis, please try downloading the same file using the curl command:

curl --cookie nada --location-trusted --output foo.txt --url <url>

For more information on using curl, please use the documentation link below:

https://curl.se/docs/manpage.html

If the curl command successfully downloads the file, the issue may lie within MATLAB. For further assistance, please contact MathWorks Technical Support using the following link:

https://www.mathworks.com/support/contact_us.html

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Donavan Haidinger 2024-8-13，21:04

I am able to successfully execute my call from a Browser UI (chrome), so I know it is not a server-side issue. Something is snagging on the Matlab side.

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