React axios proxy not working

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I'm creating a react app that connects to a express backend, as per the tutorial I am following I add the proxy to the package.

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react axios proxy not working

Asked 4 days ago. Active 4 days ago. Viewed 19 times. I'm at my wits end.

Set up a React app with a Node.js server proxy

Callum Callum 33 3 3 bronze badges. Could it be some middleware or any library that is intercepting the requests and modifying them? They will go to where the dev server is and it will route them to and return the response.

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Related Hot Network Questions. Question feed. Stack Overflow works best with JavaScript enabled.Things that might cause this:. To be clear, this is not a React error. It covers all the bases what props are, how JSX works, how to useState and fetch data with useEffect to get you going quickly.

This should solve your problem. You just need to install it in your Express project with npm install corsthen require it and add it as a middleware:. Instead, create a whitelist of allowed domains, and check each request against the whitelist. Here are a few proxy options.

You essentially make a GET request with a callback parameter:. The server will wrap the JSON reply in a function call to your callback, where you can handle it:. If this is only for development or learning purposes, the easiest thing to do is to disable the Same Origin Policy in your browser. Follow these instructions:. This is more of a last resort. Modifying the server to support CORS or running a proxy are the best approaches. Learning React can be a struggle — so many libraries and tools!

My advice? Ignore all of them : For a step-by-step approach, check out my Pure React workshop. Hats off. I'm a React trainer in London and would thoroughly recommend this to all front end devs wanting to upskill or consolidate. Alan Lavender. Now check your email. Finally understand how React works! There was an error submitting your subscription.

Please try again. Email Address.Axios is a library used to make HTTP requests from the browser. Most web and mobile apps store data in the cloud or communicate with a service. For example, a service that gets the current weather in your local area, or returns a list of GIFs based on a search term. In other words, an API allows apps to retrieve or send data to and from databases or web services. In short, Axios make it easy for our apps to perform these commands.

To learn more about fetching data from an API in a real application, check out our tutorial on building a complete React app with Airtable. To use Axios with React we need to install Axios. It allows us to retrieve data from an API and use that data in a React app. There is plenty of free and open APIs to use. Save your file, hop on over to your React app running in your browser and open up the developer console.

Using Axios with React to Make API Requests

API calls are made asynchronously because we have to wait for the server to return the data to the app. We set the imageURL to be response. Always read API documentation. The best way to know how the data response is structured is to read the documentation. Save your file, jump back over to the app in your browser and watch a random photo of a dog show up each time you refresh!

I hope you had fun learning about using Axios with React, making API requests and building a data-driven app! Your email address will not be published.

Express is a node web app framework. React is a front-end library. Thanks, Peter.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Already on GitHub? Sign in to your account. If the current behavior is a bug, please provide the steps to reproduce.

Client server running at localhost and API server running at localhost Use the following proxy settings:. What is the expected behavior? Every variation I could think of. I tried to reproduce this, but it does work for me.

What's interesting though is that the error message I get in the browser is wrong. When I start a server on port however, it does work correctly. I wonder if there's a way to plug in a reverse proxy that actually works, rather than being handcuffed to http-proxy-middleware. Yeah not sure. Here's my whole config in case there's something else afoot. Maybe I've got something funky in the entry?

I would suggest creating github issues on http-proxy-middleware for those. The author of http-proxy-middleware is very responsive and helpful. That's the only way to be able to debug this further down. SpaceK33z I decided to shift over to use Hapijs' cors feature for my needs, however this is the repo I was attempting to proxy in. Beyond removing the proxy option, there haven't been other changes, in case this helps.

I have the same problem as gjunkie.

react axios proxy not working

Starting from v1.Not only that, but works great with React and many other frameworks. Axios provides support for request and response interceptors, transformers and auto-conversion to JSON. The process is very straightforward. By default, our project is pretty empty. The code inside API. Finally, you can create a new file User.

The User component will serve as our user placeholder card. The User component is a simple component that displays a user avatar, his or her name and email inside a card.

It accepts an isLoading boolean prop, which if is set to true it will display a Loading Otherwise, it will display the actual user details. Ok, we have a component, but where should we make the actual request to our API to load the data? The answer is inside the componentDidMount lifecycle hook. If you need to load data from a remote endpoint, componentDidMount is a good place to make requests.

Now the App.

REST API concepts and examples

We also created the async componentDidMount method. That will trigger a new re-render. Notice that the method is async which will allow us to await certain actions inside. When the action completes, we store the data inside the userData variable. Next, we update the variable with the returned data for ease of use. Finally, we create easy to use variables name, avatar, email and update the state with their values.

react axios proxy not working

The usual way of handling errors in JavaScript when using promises, is via the. The request is also adjusted so it will fail. The catch block is the perfect place to parse the returned error. We now know how almost everything works in Axios.

react axios proxy not working

We can now break away from our example and explore other Axios methods in more depth. You can download my mock REST api here so you can use it as a starting point. PATCH requests are also extremely similar and can be created using the.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Have a question about this project?

Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Already on GitHub? Sign in to your account. This is likely to be the issue: comment. It's a bit counter-intuitive but the best we can do to support both use cases client-side routing and proxying.

I'm trying to use fetch to test the proxy. I guess it's also worth noting that I use 'yarn start' to start up the webpack server.

That corresponds to. Would this have anything to do with file structure? I have the front end code at the root of my solution. I removed it from the initial folder it was in created by the 'create-react-app' tool. What am I missing in that regard? That didn't seem to do it either.

I changed my api's port to in case I had hit some upward limit or something and updated the proxy setting to. Ok, so I've gotten past this but I'm not sure if I'm getting the expected behavior. I did a lot of messing around with this and I kinda think it came down to file structure and paths not being correct.

JustFlywhat's your file structure look like? Earlier I showed that I had taken all of the react code and stuck it in the root path. Then I scrapped that and used 'create-react-app' to create an app inside of my api's web project. Finally I moved the react apps entire folder not just its contents to the root and it looks like it's ok with that. I ejected from CRA in order to look at scripts and play around with them, but the only changes I made were to add logging.

Here's the current structure:. What is the expected behavior for the proxy? I'm seeing that the request is still sent to port in the JS console, but I'm getting my data from my api That renders my app component with all of the data.

Windows 10 - Proxy Setting can't be saved or changed

I feel like that path shouldn't work, but I don't really know much about React and Webpack or best practice for this type of work yet. No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled. The browser prohibits cross-origin requests, you have to 'say something to him' to make him allow it this time: to solve this, you have to set the mode to cors client side with.

This isn't enough, you have to make the server support the cors mode too, so you'll have to install the cors middleware:.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information.

I have an express server running on That's how proxies work! The browser makes a request to localhost where your proxy server is running, which forwards the request to localhost Issue is in webpack config file,with your own starter pack just set "webpack. On this path are webpack. Learn more.

Asked 2 years, 4 months ago. Active 1 month ago. Viewed 2k times. Madeline Ries Madeline Ries 5 5 silver badges 13 13 bronze badges. Can't you use fetch instead? Active Oldest Votes. Carl Vitullo Carl Vitullo 5 5 silver badges 14 14 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Featured on Meta. Community and Moderator guidelines for escalating issues via new response….

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