Question 1

How to integrate Emperror with Sentry for error tracking in Go?

Accepted Answer

Emperror has a built-in integration with Sentry SDK via the handler-sentry package. Install it and configure the handler to send errors to Sentry, as referenced in the README's integrations list, ensuring errors are captured for monitoring.

Question 2

What's the difference between Emperror and standard Go error handling?

Accepted Answer

Emperror provides a centralized framework for error management, including panic recovery and third-party integrations, while standard Go error handling is more basic and decentralized. Emperror builds on top of it for comprehensive error capture and reporting.

Question 3

Can Emperror handle custom error types or annotations?

Accepted Answer

Yes, Emperror can handle custom error types through its interface and supports annotation via emperror.dev/errors, as shown in the 'Annotate errors' example, allowing you to add context like key-value pairs for debugging.

Question 4

Emperror vs pkg/errors: which is better for error wrapping?

Accepted Answer

Emperror focuses on error handling strategies and integrations, while pkg/errors is designed for error wrapping and stack traces. They can be used together; Emperror works with packages like emperror/errors for annotation, as mentioned in the README.

Question 5

Is Emperror suitable for web servers with business logic errors?

Accepted Answer

Yes, Emperror is well-suited for web servers, especially with its error filtering feature to separate business errors from system errors, as described in the 'Filter errors' section, preventing unnecessary logging or reporting.

Question 6

How to recover from panics using Emperror in a Go application?

Accepted Answer

Use the HandleRecover function with a defer statement to catch panics and pass them to the error handler. The 'Panics and recovers' code example demonstrates this, ensuring panics are gracefully handled as errors for recording.

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