• 01-Jan-2023
Lightrun Team
Author Lightrun Team
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This is a glossary of all the common issues in Apollo GraphQL - GraphQL-Subscriptions

Troubleshooting Common Issues in Apollo GraphQL – GraphQL-Subscriptions

Lightrun Team
Lightrun Team
01-Jan-2023

Project Description

 

GraphQL Subscriptions is a GraphQL feature that allows a server to send real-time updates to a client. It allows a client to specify which data it wants to subscribe to, and the server will push updates to the client whenever the data changes.

Subscriptions are implemented using websockets or other real-time technologies, and are typically used in scenarios where a client needs to be notified of updates in near real-time, such as chat applications or collaborative editing tools.

To use GraphQL Subscriptions, you’ll need to use a GraphQL server that supports subscriptions, such as Apollo Server or GraphQL Yoga. On the client-side, you’ll need to use a GraphQL client that supports subscriptions, such as Apollo Client or Relay.

 

Troubleshooting Apollo GraphQL – GraphQL-Subscriptions with the Lightrun Developer Observability Platform

 

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The most common issues for Apollo GraphQL – GraphQL-Subscriptions are:

 

Issue with Websocket proxy setting in Nginx

 

If you’re using GraphQL Subscriptions with a websocket and you’re experiencing issues with a proxy setting in Nginx, there are a few things you can try:

  1. Make sure that the proxy_http_version directive is set to 1.1. This is required for websocket connections to work properly.
  2. Make sure that the proxy_set_header Upgrade and proxy_set_header Connection directives are set to the correct values. These headers are used to upgrade the connection from HTTP to a websocket, and they need to be set correctly in order for the websocket to work.
  3. Make sure that the proxy_read_timeout directive is set to a high enough value to allow for long-lived websocket connections.
  4. If you’re using TLS/SSL with your websocket, make sure that the proxy_ssl_verify directive is set to off.

 

More issues from Apollo GraphQL repos

 

Troubleshooting apollo-graphql-apollo-client | Troubleshooting apollo-graphql-graphql-tooling

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