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GitHub is home to over 50 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. Make sure your frontend is connected to the right endpoint in your server.

Where does one see which endpoint the backend is serving on?

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Sorry, I forgot to mention that I have this at the end of my file: server. This may or may not be helpful for some, but I was able to get past this error by doing: git clean -xfdreinstalling dependencies, and running the project again. You probably want to avoid scrambling to gather what was in your. I notice the errors when there is something wrong with the graphql itself.

Test it in the "playground" and see if it actually works. For all those, who are still struggling for the same issue, here's something which might solve it.

If you don't specify any parameters and leave it blank, by default it considers host of your front-end client as its graphql uri. Means it makes request to wrong place.

Hence, the error. If you want to reproduce this, then follow this steps: Once error occurs, open dev tools, go to network, find the request throwingin this case you will have to go to "XHR", you will find for your graphql request.

Notice the url where its trying to make calls. And, compare that url with where you are running your GraphiQL your graphql server. It's simple. As I said, ApolloClient function takes some parameters.

Your server uri is one of them. This is for the client. So as UnnitMetaliya said, the two values have to match. We use optional third-party analytics cookies to understand how you use GitHub. Learn more. You can always update your selection by clicking Cookie Preferences at the bottom of the page. For more information, see our Privacy Statement. We use essential cookies to perform essential website functions, e.

We use analytics cookies to understand how you use our websites so we can make them better, e. Skip to content. Dismiss Join GitHub today GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together. Sign up. New issue. Jump to bottom. Copy link Quote reply. When I run the server and try to create a draft I receive the following error: ApolloError.

I'm having the same issue. For me, my app was hosted at localhost And, my GraphiQL at localhostBy using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Does anyone know where the problem is? However, if there is an error, then your server might be sending HTML to show a basic error page.

To see the error, open your dev tools, and look at the network tab. This shows an example error:. This should allow Apollo to parse it and display a sensible error page.

EDIT: Also see this discussion - hopefully they will change the default Apollo behavior, or at least provide useful discussion. Base on eedrah answer, I managed to resolve this issue by using an error handler middleware to always return erros as JSONs, so that Apollo Client error link can parse the errors. Learn more. Asked 2 years, 9 months ago. Active 1 year, 11 months ago.

graphql playground error error unexpected token in json at ...

Viewed 5k times. Robinia Robinia 61 1 1 silver badge 5 5 bronze badges. A reason for this might be that an error occurs on your server and the server responds with an error message designed to be viewed in a browser. Open your browser network tab and inspect the network request to find further information about the error e. Thank you Herku, I have a server for myself. In my server the GraphQL queries written with Django.

And I wrote above code in mobile App. Is it possible to install Apollo Server on server only without any code and get query with Apollo client in ReactNative app? Or I should write a code in server side? The url that you are using as the endpoint is the graphiql interface, so you are seeing the html come back for it. You need an endpoint for your graphql server as well that will handle the graphql requests and resolve them.

Thanks Norm, I used graphene for server side, Should I write a code such as this github.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information.

I am learning GraphQL and am new to the technology. I am unable to figure out the cause for this syntax error.

graphql playground error error unexpected token in json at ...

When I am testing it on graphiql it throws an unexpected token syntax error. As per the documentation for express-middlewareyou should mount the middleware using app. By using app. When you make a request in GraphiQL, it tries to make a POST request to your endpoint, but because your app is not configured to receive it, the request fails. The error you're seeing is the result of trying to parse the generic error express throws for a missing route into JSON.

Learn more. Asked 1 year, 9 months ago.

GraphQL Playground

Active 1 year, 9 months ago. Viewed 2k times. When I am testing it on graphiql it throws an unexpected token syntax error Here is my server. I can't figure out the problem here?

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Vishesh Thakur Vishesh Thakur 95 1 1 silver badge 7 7 bronze badges. Active Oldest Votes. Daniel Rearden Daniel Rearden 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 playground environment provides a graphical way to interact with data from tenants your user account has access to. It is also a straightforward way to introspect the TimeLine Service schema, to learn about all the ways in which you can interact with the service.

I want to set up the playground environment to securely access WellLine data. You will see a screen that looks like this:. Take note of the placement of quotation marks. Query execution takes place in text entry panel on the left:. Query results appear on the right:. For examples of queries, see Working With TimeLines. Getting Started. WellLine Interface. TimeLine Service. Event Engineering. Installation and Configuration. WellLine Cookbook. Using the GraphQL Playground.

Working With TimeLine. Working with TimeLineSummary. Working with TimeLineSeries. Working with Event. Working with Entity. Working with Service and Tenant. Other Resources. Powered by GitBook. GraphQL Playground. The GraphQL Playground environment. Query example which returns a count of all events for the 'boem' tenant.

Fixing the Dreaded “SyntaxError: Unexpected Token in JSON”

Last updated 10 months ago.GitHub is home to over 50 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. Replace the Key at the bottom of the page with your secret from the graphcool.

Line 5 in b0b82f8. Got a token on it here. I put it in here. Sorry for my English. Even if I do not, then everything also. I get a token and the same error. Showed the place where I change my password. Could you prepare a Github repository and share a list of steps that I can follow to reproduce your issue? Thanks a lot! The token you are generating with mysecret is only useful for the database schema as you did in step 4but step 3 is unnecessary and probably causes the error message.

Please remove the Authorization header there. This is my docker ps :. Note that my port isand is the framework docker image.

I could fix my problem when updating the port in.

graphql playground error error unexpected token in json at ...

Can you share the output of docker ps? Yes, you have the same problem as me. I think for typescript-basicthis line is the only one you need to update. We'll shortly announce it. We use optional third-party analytics cookies to understand how you use GitHub.

Learn more. You can always update your selection by clicking Cookie Preferences at the bottom of the page. For more information, see our Privacy Statement.

We use essential cookies to perform essential website functions, e. We use analytics cookies to understand how you use our websites so we can make them better, e. Skip to content. Dismiss Join GitHub today GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together.Or a very similar one.

Read on for a quick suggestion, and watch the video for a walkthrough of a few techniques you can try to debug this in your own app. The code responsible might look something like this:.

The actual request worked fine. It got a response. But the res. Why would it do that? The exact text of this error will differ depending on what the server returned. The first thing to do is try logging it out. With fetch, you can use res.

Note that these res. Also, check the browser devtools Network tab and look for the request that caused this error, and then look at the response that came back. If everything looks fine, then restart your backend server and your frontend dev server, and see if the problem goes away. 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.

graphql playground error error unexpected token in json at ...

Hats off. I'm a React trainer in London and would thoroughly recommend this to all front end devs wanting to upskill or consolidate. Now check your email. Want me to send you a cheat sheet so you don't have to search for this next time? There was an error submitting your subscription. Please try again. Email Address. Finally understand how React works! Alan Lavender.Lions to play against Knights in CSA T20 Challenge 2017. Lions vs Knights 30th T20 today match prediction for CSA T20 Challenge 2017 to be played on December 10, 2017.

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