"client_main" and "service_main" failed (hang up) 3/10 times
sharronliu opened this issue · 2 comments
Bug report
Required Info:
- Operating System:
Ubuntu 18.04 - Installation type:
Binaries - Version or commit hash:
ROS2 Crystal Release - DDS implementation:
the default one - Client library (if applicable):
rclcpp
Steps to reproduce issue
from terminal #1
ros2 run examples_rclcpp_minimal_service service_main
from terminal #2, repeat
ros2 run examples_rclcpp_minimal_client client_main
Expected behavior
On each running of the client_main
, the terminal #2 supposed to print
[INFO] [minimal_client]: result of 41 + 1 = 42
Actual behavior
Out of 10 running, only 7 success.
3 times client_main
hang up, no output from client_main, nor output from service_main
.
Once hand up, only ctrl+c
can exit the client_main
.
Additional information
$ ros2 run examples_rclcpp_minimal_client client_main
[INFO] [minimal_client]: result of 41 + 1 = 42
$ ros2 run examples_rclcpp_minimal_client client_main
^C[INFO] [rclcpp]: signal_handler(signal_value=2)
[ERROR] [minimal_client]: service call failed :(
$ ros2 run examples_rclcpp_minimal_client client_main
[INFO] [minimal_client]: result of 41 + 1 = 42
$ ros2 run examples_rclcpp_minimal_client client_main
[INFO] [minimal_client]: result of 41 + 1 = 42
$ ros2 run examples_rclcpp_minimal_client client_main
[INFO] [minimal_client]: result of 41 + 1 = 42
$ ros2 run examples_rclcpp_minimal_client client_main
[INFO] [minimal_client]: result of 41 + 1 = 42
$ ros2 run examples_rclcpp_minimal_client client_main
^C[INFO] [rclcpp]: signal_handler(signal_value=2)
[ERROR] [minimal_client]: service call failed :(
$ ros2 run examples_rclcpp_minimal_client client_main
[INFO] [minimal_client]: result of 41 + 1 = 42
$ ros2 run examples_rclcpp_minimal_client client_main
^C[INFO] [rclcpp]: signal_handler(signal_value=2)
[ERROR] [minimal_client]: service call failed :(
$ ros2 run examples_rclcpp_minimal_client client_main
[INFO] [minimal_client]: result of 41 + 1 = 42
This has been also reported with the services in the demos repo: ros2/demos#304
Perhaps we consider migrating the issue to ros2/ros2 since it appears to be a fundamental issue with services.
Thanks for linking these two.