🧑‍🌾 ros2cli daemon get publishers and subscribers by topic test failing in connextdds

[Crola1702]

Generated by Generative AI

No response

Operating System:

Ubuntu noble

ROS version or commit hash:

Rolling and Kilted

RMW implementation (if applicable):

rmw_connextdds

RMW Configuration (if applicable):

No response

Client library (if applicable):

No response

'ros2 doctor --report' output

No response

Steps to reproduce issue

1. Run a build in Rolling or Kilted connextdds
2. See test regression fail

Expected behavior

Tests should pass

Actual behavior

Tests are failing

Additional information

Reference builds:

• Kci__nightly-connext_ubuntu_noble_amd64#17
• Rci__nightly-connext_ubuntu_noble_amd64#445

Test regressions:

• ros2cli.ros2cli.test.test_ros2cli_daemon.test_get_publishers_info_by_topic
• ros2cli.ros2cli.test.test_ros2cli_daemon.test_get_subscriptions_info_by_topic

Comparing build repos diff points to #1040:

   ros2/ros2cli:
     type: git
     url: https://github.com/ros2/ros2cli.git
-    version: 9aec89715a62fca884f7e34d63456d2ee1b8a452
+    version: c0fabeaa7cdef097a92965104e3d809d9f6926f1

Log output:

test/test_ros2cli_daemon.py:232: in test_get_subscriptions_info_by_topic
    assert test_subscription_info.qos_profile.history == \
E   assert <HistoryPolicy.UNKNOWN: 3> == <HistoryPolicy.KEEP_LAST: 1>
E    +  where <HistoryPolicy.UNKNOWN: 3> = <rclpy.qos.QoSProfile object at 0x75cff096af10>.history
E    +    where <rclpy.qos.QoSProfile object at 0x75cff096af10> = <rclpy.topic_endpoint_info.TopicEndpointInfo object at 0x75cff0972500>.qos_profile
E    +  and   <HistoryPolicy.KEEP_LAST: 1> = <rclpy.qos.QoSProfile object at 0x75cff13a3370>.history

The reason it wasn't caught on CI in the PR is that CI runs with sequential executor, while nightlies run with parallel executor.

[fujitatomoya]

@Crola1702 thanks for creating the issue for this problem.

i am not sure about the difference between sequential and parallel executor, but i can reproduce this issue with my local environment.

[ros-discourse]

This issue has been mentioned on Open Robotics Discourse. There might be relevant details there:

https://discourse.ros.org/t/ros-pmc-minutes-for-july-1-2025/45001/1

[Crola1702]

Friendly ping @fujitatomoya

[fujitatomoya]

@Crola1702 just waiting for the review of temporary patch.

[ros-discourse]

This issue has been mentioned on Open Robotics Discourse. There might be relevant details there:

https://discourse.openrobotics.org/t/ros-pmc-minutes-for-november-11-2025/51100/1

[miguelgonrod]

@Crola1702 Checking builds apparently this fixed the issue. In rolling didn't happened in last build, in Kilted we have to check after rebuild.

[miguelgonrod]

Haven't happened again in a month, @Crola1702 can close the issue