Table of Contents

Overview

OpenTelemetry (formed through a merger of the OpenTracing and OpenCensus projects) is a collection of APIs, SDKs, and tools to instrument, generate, collect, and export telemetry data like metrics, logs, and distributed traces. OpenTelemetry is vendor-neutral open-source observability framework and as an industry-standard, it is natively supported by a number of vendors. From the instrumentation perspective, there is support for quite a few programming languages, including dedicated Java APIs. Starting from 3.5.7 /3.6.2 / 4.0.3 releases, Apache CXF fully supports integration (through cxf-integration-tracing-opentelemetry module) with OpenTelemetry distributed tracing capabilities.

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It is also worth to mention the way Apache CXF attaches the description to spans. With regards to the client integration, the description becomes a full URL being invoked prefixed by HTTP method, for example: GET http://localhost:8282/books. On the server side integration, the description becomes a relative JAX-RS resource path prefixed by HTTP method, f.e.: GET books, POST book/123

Configuring Client

TBD

Configuring Server

TBD

Distributed Tracing In Action: Usage Scenarios

TBD

Example #1: Client and Server with default distributed tracing configured

TBD

Example #2: Client and Server with nested trace

TBD

Example #3: Client and Server trace with annotations

TBD

Example #4: Client and Server with binary annotations (key/value)

TBD

Example #5: Client and Server with parallel trace (involving thread pools)

TBD

Example #6: Client and Server with asynchronous JAX-RS service (server-side)

TBD

Example #7: Client and Server with asynchronous invocation (client-side)

TBD

Distributed Tracing with OpenTelemetry and JAX-WS support

TBD

Distributed Tracing with OpenTelemetry and OSGi

TBD

Spring XML-Configuration

TBD

Using non-JAX-RS clients

TBD