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4.5
Introduction
Architecture Overview
Axon Server
Release Notes
Axon Framework
Axon Server
Axon Framework Extensions
AMQP
CDI
JGroups
Kafka
Kotlin
Mongo
Reactor
Spring Cloud
Tracing
Major Releases
Minor Releases
Getting Started
Quick Start
Axon Framework
Introduction
Messaging Concepts
Commands
Events
Queries
Sagas
Deadlines
Testing
Tuning
Monitoring and Metrics
Spring Boot Integration
Modules
Axon Server
Introduction
Installation
Administration
Security
Performance
Migration
Extensions
Spring AMQP
JGroups
Kafka
Kotlin
Mongo
Reactor
Spring Cloud
Tracing
Appendices
A. RDBMS Tuning
B. Message Handler Tuning
C. Meta Annotations
D. Identifier Generation
E. Axon Server Query Language
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Major Releases
This page notes all enhancements and features that we have introduced to our major releases of the Axon Tracing Extension.

Release 4.5

  • Contributor aupodogov provided an optimization in the OpenTraceHandlerInterceptor, by replace an orElse for orElseGet, in pull request #103.
  • We introduced a sample module that shows how to use this extension. You can find the module here.
  • Spring Boot ordering sometimes didn't wire the tracing gateways. To solve this, we enforced the ordering through an AutoConfigureBefore annotation on the TracingAutoConfiguration. We marked this under issue #105 and solved it in this pull request.
We refer to the 4.5 release notes for a complete list of all changes.

Release 4.4

  • Pull request #78 introduces an enhancement for users of this extension. With the MessageTagBuilderService they have more configuration options for selecting the desired tags per message type.
  • When using Spring Boot, the gateway bean names this extension builds clashed with Axon Frameworks default CommandGateway and QueryGateway beans. Contributor guilhermeblanco marked this in issue #79, which we resolved in pull request #86.
You can find a list of all changes made in release 4.4 here.

Release 4.3

  • Pull request #33 introduces tracing for scatter-gather and subscription queries. This introduction means that we can make a full release of the Axon Tracing Extension.
  • Traces for query messages now have tags included. We also introduced additional test cases to validate the entire process, as seen in this issue.
For a complete list of all changes, we refer to this page.

Release 4.2 - Milestone

We did not introduce any significant changes other than updating the extension to use Axon Framework release 4.2.
Note that this extension currently is in a milestone state. As such, users should consider we might introduce API changes in future releases.

Release 4.1 - Milestone

  • The constructors of the TracingCommandGateway and TracingQueryGateway are now protected, since issue #9. This change allows users to extend these classes if necessary.
  • As off issue #7, the spans now contain defaults operation names and tags.
You can find a complete list of the changes here​
Note that this extension currently is in a milestone state. As such, users should consider we might introduce API changes in future releases.

Release 4.0 - Milestone

We introduced the Tracing extension with lots of help from our contributor Christophe Bouhier at Trifork. The tracing logic used originates from the Open Tracing API.
You can find a complete list of all changes here.
It's currently in a milestone state, as it doesn't trace all QueryGateway operations. As such, users should consider we might introduce API changes in future releases.
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Minor Releases
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Contents
Release 4.5
Release 4.4
Release 4.3
Release 4.2 - Milestone
Release 4.1 - Milestone
Release 4.0 - Milestone