README.md

Library Instrumentation for Java HTTP Server

Provides OpenTelemetry instrumentation for Java HTTP Server.

Quickstart

Add these dependencies to your project

Replace OPENTELEMETRY_VERSION with the latest release.

For Maven, add to your pom.xml dependencies:

<dependencies>
  <dependency>
    <groupId>io.opentelemetry.instrumentation</groupId>
    <artifactId>opentelemetry-java-http-server</artifactId>
    <version>OPENTELEMETRY_VERSION</version>
  </dependency>
</dependencies>

For Gradle, add to your dependencies:

implementation("io.opentelemetry.instrumentation:opentelemetry-java-http-server:OPENTELEMETRY_VERSION")

Usage

The instrumentation library contains a Filter wrapper that provides OpenTelemetry-based spans and context propagation.

import java.io.IOException;
import java.net.InetSocketAddress;

import com.sun.net.httpserver.HttpContext;
import com.sun.net.httpserver.HttpServer;

import io.opentelemetry.api.OpenTelemetry;
import io.opentelemetry.sdk.OpenTelemetrySdk;

public class Application {

  static void main(String args) throws IOException {

    final HttpServer server = HttpServer.create(new InetSocketAddress(8080), 0);
    final HttpContext context =
        server.createContext(
            "/",
            ctx -> {
              // http logic
            });

    OpenTelemetry openTelemetry = //...

    JavaHttpServerTelemetry.create(openTelemetry).configure(context);
  }
}