Generated by Generative AI

No response

Operating System:

Ubuntu and Rhel

ROS version or commit hash:

rolling, kilted

RMW implementation (if applicable):

No response

RMW Configuration (if applicable):

No response

Client library (if applicable):

rclcpp

'ros2 doctor --report' output

No response

Steps to reproduce issue

1. Run a build in a linux nightly
2. See rclcpp.TestExecutor.spin_all_fail_wait_set_clear fail

Expected behavior

Test should pass

Actual behavior

Test fails flaky

Additional information

Test regressions:

• projectroot.test.rclcpp.test_executor
• rclcpp.TestExecutor.spin_all_fail_wait_set_clear

Reference builds:

• Kci__nightly-cyclonedds_ubuntu_noble_amd64#28
• Kci__nightly-fastrtps-dynamic_ubuntu_noble_amd64#27
• Rci__nightly-cyclonedds_ubuntu_noble_amd64#471
• Rci__nightly-fastrtps-dynamic_ubuntu_noble_amd64#476
• nightly_linux-rhel_debug#2380
• nightly_linux-rhel_repeated#2370
• nightly_linux_repeated#3921
• nightly_win_rep#3809

Log output:

119: [ RUN      ] TestExecutor.spin_all_fail_wait_set_clear
119: unknown file: Failure
119: C++ exception with description "Couldn't clear the wait set: error not set" thrown in the test body.
119:
119: [  FAILED  ] TestExecutor.spin_all_fail_wait_set_clear (12 ms)

Test started to fail flaky in 2025-04-12: https://ci.ros2.org/view/nightly/job/nightly_linux-rhel_repeated/2250/

It may be a secondary effect of #2378 or #2797.