How do I fix: 🔍 Why This Happens?

The problem arises when an error occurs within a called function that handles parts of the request. In this scenario, the local exception handling block catches the error, but it's not propagated to subsequent called functions.

How do I fix: Method 2: Use Error Handling Middleware?

Step 1: Implement an error handling middleware that catches and handles errors globally.

Coding⏱️ 2 min read📅 2026-05-31

How to Fix: How to fix "'throw' of exception caught locally"?

Q: How do I fix: 🔧 Proven Troubleshooting StepsMethod 1: Rethrow the Exception?

Step 1: After handling the local exception, rethrow it using `throw` or `reject` depending on your async/await implementation.

To fix the 'throw' of exception caught locally, you can use a try-catch block within the function that handles the REST API call. This will ensure that any errors raised by the called functions are caught and handled before they propagate up the call stack.

Quick Answer: Wrap the code that might throw an error in a try-catch block, like this: try { let isAllowed = await checkIfIsAllowed(req); if (!isAllowed) { throw new ForbiddenException(

📋 Table of Contents

🔍 Why This Happens
🔧 Proven Troubleshooting Steps
🎯 Final Words

In the provided code, when an error is thrown in the `handleRequest` function, it's caught locally and handled. However, this approach can be problematic if the error occurs within a called function that handles parts of the request. To fix this issue, you should rethrow the exception after handling it locally to ensure that any subsequent called functions also catch the error.

🔍 Why This Happens

The problem arises when an error occurs within a called function that handles parts of the request. In this scenario, the local exception handling block catches the error, but it's not propagated to subsequent called functions.

🔧 Proven Troubleshooting Steps

Method 1: Rethrow the Exception

Step 1: After handling the local exception, rethrow it using `throw` or `reject` depending on your async/await implementation.

Method 2: Use Error Handling Middleware

Step 1: Implement an error handling middleware that catches and handles errors globally.

🎯 Final Words

By rethrowing the exception or implementing an error handling middleware, you can ensure that any errors are properly propagated and handled throughout your application.

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