# Spring WebMVC

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> OpenTelemetry Java agent instrumentation

This instrumentation enriches HTTP server spans with route information for Spring WebMVC 3.1+. It also enables controller spans (controller spans are disabled by default) and view spans (view spans are disabled by default).

- **Name**: `spring-webmvc-3.1`
- **Scope**: `io.opentelemetry.spring-webmvc-3.1`
- **Target versions**: `org.springframework:spring-webmvc:[3.1.0.RELEASE,6)`
- **Library**: https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/web/servlet/mvc/package-summary.html

## Telemetry

- **Span attributes**: `code.function`, `code.namespace`, `spring-webmvc.view.type`

## Configuration

| Option | Type | Default | Description |
| --- | --- | --- | --- |
| `otel.instrumentation.common.experimental.controller-telemetry.enabled` | boolean | false | Enables the creation of experimental controller spans. |
| `otel.instrumentation.common.experimental.view-telemetry.enabled` | boolean | false | Enables the creation of experimental view spans. |
| `otel.instrumentation.spring-webmvc.experimental-span-attributes` | boolean | false | Enables the capture of experimental span attributes `spring-webmvc.view.name` and `spring-webmvc.view.type`. |

## Data

- **JSON**: [/data/javaagent/instrumentations/spring-webmvc-3.1/spring-webmvc-3.1-1e977c643a0a.json](/data/javaagent/instrumentations/spring-webmvc-3.1/spring-webmvc-3.1-1e977c643a0a.json)
- **Explore**: [/java-agent/instrumentation/spring-webmvc-3.1](/java-agent/instrumentation/spring-webmvc-3.1)