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Unhandled Rejection in Twilio SDK When Catching Exceptions in Application

Freshabout 21 hours ago
Mar 14, 20260 views
Confidence Score51%
51%

Problem

Issue Summary Twilio SDK has unhandled rejection in SDK and can't catch it from the application. This issue causes application termination. Steps to Reproduce 1. See the code snippet Code Snippet [code block] Exception/Log [code block] Technical details: twilio-node version: 4.14.0 node version: 18.14.1

Error Output

exception
  console.log('------unhandledRejection', reason, promise);

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1 Fix

Canonical Fix
Unverified Fix
New Fix – Awaiting Verification

Handle Unhandled Rejections in Twilio SDK

Medium Risk

The Twilio SDK version 4.14.0 does not properly handle promise rejections, leading to unhandled rejections that cause the application to terminate. This occurs when the SDK's internal promise handling fails to catch errors, and the application does not have a global handler for unhandled promise rejections.

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  1. 1

    Implement Global Unhandled Rejection Handler

    Add a global handler for unhandled promise rejections in your application. This will allow you to log the error and prevent the application from terminating unexpectedly.

    javascript
    process.on('unhandledRejection', (reason, promise) => {
  console.error('Unhandled Rejection at:', promise, 'reason:', reason);
  // Optionally, you can exit the process or handle the error gracefully
});
  2. 2

    Update Twilio SDK Version

    Check for a newer version of the Twilio SDK that may have addressed this issue. If available, update the SDK to the latest version to benefit from any bug fixes.

    bash
    npm install twilio@latest
  3. 3

    Wrap Twilio SDK Calls in Try-Catch

    Wrap your Twilio SDK calls in try-catch blocks to catch synchronous errors and handle them appropriately. This will help mitigate issues arising from unexpected failures.

    javascript
    try {
  await twilioClient.messages.create({
    to: '+1234567890',
    from: '+0987654321',
    body: 'Hello World'
  });
} catch (error) {
  console.error('Error sending message:', error);
}
  4. 4

    Log Errors for Monitoring

    Implement logging for all errors, including those caught in the global unhandled rejection handler and try-catch blocks. This will help in diagnosing issues in production.

    javascript
    const winston = require('winston');
const logger = winston.createLogger({
  level: 'error',
  transports: [new winston.transports.Console()]
});

process.on('unhandledRejection', (reason, promise) => {
  logger.error('Unhandled Rejection:', reason);
});

Validation

To confirm the fix worked, run the application and trigger a Twilio SDK call that would normally result in an unhandled rejection. Ensure that the error is logged properly and the application does not terminate unexpectedly.

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Environment

Submitted by

AC

Alex Chen

2450 rep

Tags

twiliosmsapitype:-bugstatus:-work-in-progress