sp-rest-proxy: Incorrect proxying of WebFaultException

I have custom WCF REST service, hosted in SharePoint. I’m using sp-rest-proxy to test application wich make a request to SharePoint REST API and this custom service. Everything goes great unless WCR REST service throws an exception. throw new WebFaultException<string>(ex.ToString(), HttpStatusCode.InternalServerError) When this code executes, direct GET request returns string response with exception (ex.ToString()). When I make request through proxy, I got json response with something like that: { "type": "Buffer", "data": [ 34, 83, 121, 115, 116, 101, 109, 46, 65, 114, 103, 117, 109, 101 ]}

It’s very inconvenient because I can’t test exception handling in developer enviroment with sp-rest-proxy, I need to deploy my application to test that behaviour. If it can be fixed, please do it. Thank you!

About this issue

Original URL
State: closed
Created 6 years ago
Comments: 19 (9 by maintainers)

Most upvoted comments

Cool! Glad it works for you now. Please use the beta until I’ll publish the new version with latest tag after a little while.

koltyakov on Oct 9, 2018

Hey @koltyakov! Sorry, it was my fault. Double checked proxy config and realized I changed SharePoint address to another farm. Now it works perfectly! Many thanks, I think issue can be closed now.

NZainchkovskiy on Oct 9, 2018

@koltyakov sorry for late reply. I had some issue with npm while updating to beta version, then got distracted by other tasks. Now I got an error when I try to npm run proxy

Error: Cannot find module ‘C:\VSCode\sp-tasks\node_modules\sp-rest-proxy\dist\package.json’

I will try to do some troubleshooting and will be back to you with updates.

NZainchkovskiy on Sep 25, 2018

SpRestProxy.zip Without proxy: With proxy:

As you can see, I’m just throwing an exception in code, nothing more:

public IEnumerable<string> GetDomainGroups()
{
throw new WebFaultException<string>("I want to see this message through proxy", HttpStatusCode.InternalServerError);
}

NZainchkovskiy on Sep 18, 2018

@koltyakov sure, will create a sample project for it. To make it clear, it works when it’s executes without exception. Issue only with WebFaultException. I’ll be back with example project.

NZainchkovskiy on Sep 18, 2018