The ConsoleCapture does not capture every console error for Sentry

Question

The ConsoleCapture does not capture every console error for Sentry

Running into an issue capturing console errors with Sentry in a Next.js app.

The problem arises from an error within a library that is inaccessible to us, specifically related to WebSocket

"WebSocket is already in CLOSING or CLOSED state"

This error is clearly visible in the Chrome debug panel https://i.sstatic.net/mnDAq.png

However, it seems that this error is not being sent to Sentry despite initializing it with the following code in next.config.js

const withPlugins = require('next-compose-plugins');
const { withSentryConfig } = require('@sentry/nextjs');
const { CaptureConsole } = require('@sentry/integrations');

...


module.exports = withPlugins(
    [
        [(config) => withSentryConfig(config, sentryOptions), {}]
    ],
    nextConfig,
);

The configuration in sentry.client.config.js includes:

import * as Sentry from '@sentry/nextjs';
import { CaptureConsole } from '@sentry/integrations';
import { Integrations } from '@sentry/tracing';

...

Despite other console.error messages being successfully sent to Sentry, this particular error is not. Could it be that it's not directly logged using console.error and is handled at a lower level? How can we ensure this error is properly logged?

javascript websocket error-handling next.js sentry

Answer 1

Answer №1

Use this guidance as a reference rather than a complete solution and it may not be straightforward. Instead of depending on CaptureConsole, why not listen for socket.onclose events and utilize Sentry.captureException() to send error information?

To handle socket exceptions:

Retrieve all active websockets

const sockets = [];
const nativeWebSocket = window.WebSocket;
window.WebSocket = function(...args){
  const socket = new nativeWebSocket(...args);
  sockets.push(socket);
  return socket;
};
setTimeout(() => {
  // Implement a button or action to interact with the sockets
  console.log(sockets);
}, 1000);
// via : https://stackoverflow.com/a/59916046/13749957

Alternatively, consider using wshook

https://github.com/skepticfx/wshook

Once you have identified all active sockets, attach an event handler to onclose and send relevant data to Sentry

exampleSocket.onclose = function (event) {
   Sentry.captureException(...args) 
};

Answer 2

Use this guidance as a reference rather than a complete solution and it may not be straightforward. Instead of depending on CaptureConsole, why not listen for socket.onclose events and utilize Sentry.captureException() to send error information?

To handle socket exceptions:

Retrieve all active websockets

const sockets = [];
const nativeWebSocket = window.WebSocket;
window.WebSocket = function(...args){
  const socket = new nativeWebSocket(...args);
  sockets.push(socket);
  return socket;
};
setTimeout(() => {
  // Implement a button or action to interact with the sockets
  console.log(sockets);
}, 1000);
// via : https://stackoverflow.com/a/59916046/13749957

Alternatively, consider using wshook

https://github.com/skepticfx/wshook

Once you have identified all active sockets, attach an event handler to onclose and send relevant data to Sentry

exampleSocket.onclose = function (event) {
   Sentry.captureException(...args) 
};

The ConsoleCapture does not capture every console error for Sentry

Answer №1

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