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Build your own JMeter Docker Image and execute your Performance Test

If you'd like to run load tests in a simple way, and possibly share them, while benefiting from a simplified configuration, with a focus on writing your test plan, and its test typology, this article is for you!

Docker offers virtualization services that simplify the replication of working environments.

Furthermore, each virtualized service is isolated from unrelated services on other containers or the host machine, ensuring portability across host machines and the network.

Using JMeter within a Docker container offers several advantages :

Portability :

Docker enables the creation of lightweight and portable containers that can run on any Docker-compatible system, whether it's Linux, macOS, or Windows. This simplifies the deployment and management of JMeter, avoiding compatibility issues related to different system configurations.

Isolation :

Docker containers provide an isolated environment for running applications, meaning JMeter's dependencies and runtime environment are encapsulated within the container. This reduces potential conflicts with other applications or system components.

Ease of deployment :

With Docker, distributing and deploying JMeter across multiple machines or environments is straightforward.

You can create a Docker image containing JMeter and distribute it to your team or various test environments, streamlining the deployment process.

Version management :

By using Docker, you can version your Docker images containing JMeter, facilitating the management of different versions of JMeter used in your tests. You can also share these images via public or private Docker registries

JMeter JMesPath Extractor

Extracting values from server responses is a common operation in scripting scenarios for performance testing. In most cases it is a mandatory step in order to reproduce realistic traffic using dynamic values generated on server side like sessionIds or Tokens.

The most known way to extract values is using regular expression. While regular expressions are efficient for raw text-based responses, they are less efficient for structured responses like XML or JSON. JMeter provides specific extractors for those kind of responses. For JSON structures, JMeter implements 2 ways for handling them:

How to load test OpenID/OAUTH

Performance testing scripts need to go through authentication in order to access target services with the right authorization. They also need to validate that the authentication servers are able to handle the target load. OpenID Connect (OIDC) has become a popular authentication and authorization protocol for securing web applications. This article will present the OIDC protocol and how to implement a JMeter script to performance test it.

OIDC Protocol

The OIDC protocol allows the application to rely on an authentication server to identify users accessing it. Usually the authentication server is linked to the enterprise access directory. In other words this protocol is aimed at providing Single Sign-On (SSO) solution for applications. Some big internet actors even allow users to authenticate on third party services through OIDC (for example authenticating on Gitlab using a google account).

Use JMeter to create a website crawler

The idea behind this blog post originated when we updated our documentation after the release of our new UI. We had to identify all links used in the OctoPerf website and update them from to With more than 250 blog posts at the time I'm writing this one, you can see how this could prove challenging. And of course the twist is that we also took this opportunity to reorganize the documentation so it's not as simple as a search and replace of the domain.

This got us thinking on ways to automate it, because a lot of third party links could also be broken and of course one of those ways is to use OctoPerf itself to execute JMeter tests that will report on all the broken links.

OctoPerf Spira Integration tutorial

We've recently been working with folks at Inflectra to develop an integration between Spira and OctoPerf. If you don't know about Inflectra and Spira they offer a very cool test management solution (among other things), you should check it out.

In this blog post we will highlight all the steps to follow in order to setup this integration. This way you'll be able to see the benefits of working with both tools in your organization.

Launch an OctoPerf test from Spira

Most of the following info has been taken from Spira's documentation page dedicated to OctoPerf.

Activate OctoPerf in Spira apps

The first step is to activate the OctoPerf integration from your Administration > SpiraApps page: