Why does File Upload fail on Mac with "413 Request Entity Too Large" but only in Katalon?

[kazurayam]

Do you want to check how large in bytes the “Request Entity” was in v8.6.5 and v8.6.6? Does the size changes?

Using BrowserMob Proxy, you can see all the HTTP messages exchanged between browser and HTTP Server.

Sample usage of BrowserMob Proxy in Katalon Studio

I have published a GitHub project Background In the Katalon User Forum, there is a Frequently Asked Question. I want to do a Web UI test using browsers and at the same time I want to save the payload of HTTP requests and responses into a file. How can I do it? Katalon Studio v8.5.x does not support recording the payload of HTTP messages exchanged between a web browser and HTTP servers. You need to employ an additional technology. The following post by matteo.lauria at Feb '21 suggested B…

The BrowserMob Proxy will give you better insight.