Fiddler
- 20 Feb 2024
- 1 Minute to read
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Fiddler
- Updated on 20 Feb 2024
- 1 Minute to read
- Contributors
- Print
- DarkLight
- PDF
Article summary
Fiddler is a useful tool for obtaining detailed information about web requests and responses that are not working correctly. It captures all HTTP requests made on the system it runs on, allowing users to inspect them or provide accurate technical support. After downloading and installing Fiddler, it automatically starts capturing HTTP requests, enabling users to view outgoing and incoming traffic. If requested, users can send a portion of the captured request and response for troubleshooting purposes. However, when using Soap UI to test integration with legacy webservices, Fiddler may not capture requests. In this case, users can set a manual proxy in SoapUI's preferences to 127.0.0.1 port 8888 to enable Fiddler's capturing capabilities.
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If a web request is throwing an error or not working as expected then you’ll probably want some more detailed information about the exact contents of the request and it’s response. Perhaps to inspect them yourselves or because we need it to provide accurate technical support. A small and easy to use tool is Fiddler. In a factory default configuration Fiddler captures all http requests you make on the system it runs on by using the loopback channel.
You can download Fiddler at https://www.telerik.com/download/fiddler.
Once you’ve installed and started Fiddler the capturing of HTTP requests automatically starts and you’ll be able to see outgoing and incoming traffic. If we’ve asked for an example of the request you’re sending you can send us the following part of the captured request and response.
When you are using Soap UI to test an integration with our legacy webservices, it might happen that Fiddler is not capturing your requests. If so, you could try to set a manual proxy via File -> Preferences -> Proxy Settings in SoapUI. Set the proxy to 127.0.0.1 port 8888.
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