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Error when running benchmarks from CLI for kcb.sh script #956
Description
Describe the bug
When following doc instruction
-Running benchmarks from the CLI
https://www.keycloak.org/keycloak-benchmark/benchmark-guide/latest/run/running-benchmark-cli
Version
25.0.4
Expected behavior
To have a successful kcb.sh execution command secript
Actual behavior
sh kcb.sh
INFO: Running benchmark in single-run mode.
INFO: Running benchmark with users-per-sec=1, result output will be available in: /home/testuser/dev_2024/keycloak-benchmark/benchmark/src/main/content/bin/../results/
Error: Could not find or load main class io.gatling.app.Gatling
Caused by: java.lang.ClassNotFoundException: io.gatling.app.Gatling
How to Reproduce?
Followed the prerequisites:
- Keycloak URL from [Preparing Keycloak for testing]
- Build benchmark module using JDK21 (and not 11 as specified in teh doc)
Anything else?
The way to have it working is to place the benchmark module build locally in the directory
$ cd <install-dir>/keycloak-benchmark/benchmark/src/main/content/lib$
$ cp /home/testuser/dev_2024/keycloak-benchmark/benchmark/target/keycloak-benchmark-0.14-SNAPSHOT.jar .
cd ../bin
<install-dir>/keycloak-benchmark/benchmark/src/main/content/bin$ sh kcb.sh
INFO: Running benchmark in single-run mode.
INFO: Running benchmark with users-per-sec=1, result output will be available in: /home/testuser/dev_2024/keycloak-benchmark/benchmark/src/main/content/bin/../results/
09:52:44.938 [INFO ] a.e.s.Slf4jLogger - Slf4jLogger started
==========================================================
Target servers: [http://0.0.0.0:8080]
Scenario:
Name: keycloak.scenario.authentication.ClientSecret
Population:
realms: 1
users-per-realm: 1
clients-per-realm: 1
realm-name: Not defined
username: Not defined
user-password: Not defined
Runtime:
users-per-sec: 1.0 (Open Workload Model)
...
...
Reacted by Catalin Dumitru
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ahus1 commentedon Aug 28, 2024
The JDK version shown in the docs has been fixed and will be visible on the website shortly. It should state JDK 21.
There might have been a misunderstanding around the docs: They state
Once you extract that file, it should contain all the elements you need, including the shell script and the JAR file in the correct locations.
Please let me know if this resolves it for you.
orivat commentedon Aug 28, 2024
The doc states
Running the test from the CLI
Preparations
Extract the keycloak-benchmark-${version}.[zip|tar.gz] file
The readability of the doc should be improved,
It is quite confusing as you don't know where you should extract this file.