# Ratpack

<!-- llms-txt-link: /llms.txt -->

> OpenTelemetry Java agent instrumentation

This instrumentation enriches HTTP server spans with route information, and enables controller spans for Ratpack handlers (controller spans are disabled by default).

- **Name**: `ratpack-1.4`
- **Scope**: `io.opentelemetry.ratpack-1.4`
- **Target versions**: `io.ratpack:ratpack-core:[1.4.0,)`
- **Library**: https://ratpack.io/

## Configuration

| Option | Type | Default | Description |
| --- | --- | --- | --- |
| `otel.instrumentation.common.experimental.controller-telemetry.enabled` | boolean | false | Enables the creation of experimental controller spans. |

## Data

- **JSON**: [/data/javaagent/instrumentations/ratpack-1.4/ratpack-1.4-26e5193c9884.json](/data/javaagent/instrumentations/ratpack-1.4/ratpack-1.4-26e5193c9884.json)
- **Explore**: [/java-agent/instrumentation/ratpack-1.4](/java-agent/instrumentation/ratpack-1.4)