🧑🌾 Rci__nightly-cyclonedds launch_testing_examples failing by not receiving topic message #556
Description
Generated by Generative AI
No response
Operating System:
Ubuntu 24.04
ROS version or commit hash:
Rolling
RMW implementation (if applicable):
Cyclonedds
RMW Configuration (if applicable):
No response
Client library (if applicable):
No response
'ros2 doctor --report' output
No response
Steps to reproduce issue
- Go to any of the jobs that are found below
- Build the job
- See test failing
Expected behavior
To build without test regressions
Actual behavior
Building with one test regression
Additional information
Reference Builds
- Rci__nightly-cyclonedds_ubuntu_noble_amd64#689
- https://build.ros2.org/job/Rci__nightly-fastrtps-dynamic_ubuntu_noble_amd64/685/
- https://build.ros2.org/job/Rci__nightly-fastrtps_ubuntu_noble_amd64/688/
- https://build.ros2.org/job/Rci__nightly-release_ubuntu_noble_amd64/687/
Failing tests
- launch_testing_examples.launch_testing_examples.check_msgs_launch_test.launch_testing_examples.check_msgs_launch_test
Log Output
Traceback (most recent call last):
File "/tmp/ws/src/ros2/examples/launch_testing/launch_testing_examples/launch_testing_examples/check_msgs_launch_test.py", line 43, in test_check_if_msgs_published
with WaitForTopics([('chatter', String)], timeout=15.0):
File "/tmp/ws/install_isolated/launch_testing_ros/lib/python3.12/site-packages/launch_testing_ros/wait_for_topics.py", line 143, in __enter__
raise RuntimeError('Did not receive messages on these topics: ',
RuntimeError: ('Did not receive messages on these topics: ', {'chatter'})
Flakyness 15 days
| job_name | last_fail | first_fail | build_count | failure_count | failure_percentage |
|---|---|---|---|---|---|
| Rci__nightly-cyclonedds_ubuntu_noble_amd64 | 2026-02-24 | 2026-02-10 | 15 | 15 | 100.0 |
| Rci__nightly-fastrtps-dynamic_ubuntu_noble_amd64 | 2026-02-20 | 2026-02-15 | 12 | 3 | 25.0 |
| Rci__nightly-fastrtps_ubuntu_noble_amd64 | 2026-02-19 | 2026-02-19 | 13 | 1 | 7.69 |
| Rci__nightly-release_ubuntu_noble_amd64 | 2026-02-16 | 2026-02-16 | 13 | 1 | 7.69 |
This was one of the regressions that began to happen when rolling builds were down, I can't find the first time this happened to check changes.
Also we opened this issue in cyclone as this is happening consistently with this dds.
CC: @Crola1702