Question 1

How do I set up Rollbax in a Phoenix application?

Accepted Answer

Configure the access token and environment in your config files, and refer to the documentation for Plug-based examples. Rollbax has built-in support for Phoenix, automatically integrating with error handling in web requests.

Question 2

Can I use Rollbax with Elixir releases?

Accepted Answer

Yes, Rollbax is compatible with Elixir releases as a standard dependency. Ensure configuration is properly loaded in production environments to enable error reporting without issues.

Question 3

What's the difference between Rollbax and Elixir's built-in Logger?

Accepted Answer

Rollbax sends errors to Rollbar for centralized monitoring with stack traces and crash reports, while Elixir's Logger is for local logging. Rollbax complements Logger by providing external aggregation for production debugging.

Question 4

How to disable Rollbax in development?

Accepted Answer

Set the 'enabled' config to ':log' to log errors locally or 'false' to disable reporting entirely. This prevents unnecessary API calls to Rollbar, as described in the non-production reporting section.

Question 5

Does Rollbax support custom error messages or metadata?

Accepted Answer

Yes, through the Rollbax.report/3 function, you can include custom data and stack traces for detailed error context. This allows enhanced debugging by attaching additional information to exceptions.

Question 6

Rollbax vs Sentry for Elixir: which is better?

Accepted Answer

Rollbax is optimized for Rollbar with deep Elixir and OTP integration, while Sentry has its own Elixir client. The choice depends on your preferred service; Rollbax excels if you're committed to Rollbar's ecosystem and features.

Question 7

What are the performance impacts of using Rollbax?

Accepted Answer

Rollbax sends errors asynchronously to minimize overhead, but it adds network calls to Rollbar. In high-error scenarios, this could affect latency, though it's designed to be non-blocking for most applications.

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