Process exit, rclpy._rclpy_pybind11.InvalidHandle: cannot use Destroyable because destruction was requested

[conby]

Describe the bug
Endpoint process exit with error:
rclpy._rclpy_pybind11.InvalidHandle: cannot use Destroyable because destruction was requested

To Reproduce

1. boot ROS-TCP-Endpoint node (ROS2)
2. try to connect and disconnect from unity client several times
3. Endpoint process exited with error
4. See error

Console logs / stack traces
[INFO] [1652075356.407162168] [UnityEndpoint]: Disconnected from 192.168.8.166
[INFO] [1652076762.672048998] [UnityEndpoint]: Connection from 192.168.8.166
[INFO] [1652076763.037987192] [UnityEndpoint]: RegisterSubscriber(/image2, <class 'sensor_msgs.msg._compressed_image.CompressedImage'>) OK
[INFO] [1652076763.106981882] [UnityEndpoint]: RegisterSubscriber(/imagez, <class 'sensor_msgs.msg._compressed_image.CompressedImage'>) OK
The following exception was never retrieved: 'NoneType' object has no attribute 'put'
[INFO] [1652076763.602603903] [UnityEndpoint]: RegisterSubscriber(/tf, <class 'tf2_msgs.msg._tf_message.TFMessage'>) OK
Traceback (most recent call last):
File "/home/hee/ros2_galactic/install/ros_tcp_endpoint/lib/ros_tcp_endpoint/default_server_endpoint", line 33, in
sys.exit(load_entry_point('ros-tcp-endpoint', 'console_scripts', 'default_server_endpoint')())
File "/home/hee/ros2_galactic/build/ros_tcp_endpoint/ros_tcp_endpoint/default_server_endpoint.py", line 14, in main
tcp_server.setup_executor()
File "/home/hee/ros2_galactic/build/ros_tcp_endpoint/ros_tcp_endpoint/server.py", line 177, in setup_executor
executor.spin()
File "/home/hee//ros2_galactic/install/rclpy/lib/python3.6/site-packages/rclpy/executors.py", line 279, in spin
self.spin_once()
File "/home/hee/ros2_galactic/install/rclpy/lib/python3.6/site-packages/rclpy/executors.py", line 757, in spin_once
self._spin_once_impl(timeout_sec)
File "/home/hee/ros2_galactic/install/rclpy/lib/python3.6/site-packages/rclpy/executors.py", line 744, in _spin_once_impl
timeout_sec, None, wait_condition)
File "/home/hee/ros2_galactic/install/rclpy/lib/python3.6/site-packages/rclpy/executors.py", line 690, in wait_for_ready_callbacks
return next(self._cb_iter)
File "/home/hee/ros2_galactic/install/rclpy/lib/python3.6/site-packages/rclpy/executors.py", line 585, in _wait_for_ready_callbacks
waitable.add_to_wait_set(wait_set)
File "/home/hee/ros2_galactic/install/rclpy/lib/python3.6/site-packages/rclpy/qos_event.py", line 114, in add_to_wait_set
with self.__event:
rclpy._rclpy_pybind11.InvalidHandle: cannot use Destroyable because destruction was requested

Expected behavior
Endpoint process should not exit

Environment (please complete the following information, where applicable):

• Unity Version: [e.g. Unity 2022.1]
• Unity machine OS + version: [Windows 10]
• Unity machine OS + version: [Android 11]
• ROS machine OS + version: [Ubuntu 18.04, ROS2 galactic]
• ROS–Unity communication: [TCP, public internet]
• Branch or version: [e.g. v0.7.0]

[antsa123]

I'm having this same issue multiple times a day.

[JuliusSustarevas]

Having this in ubuntu 22 ros2 docker container straight from osrf. Not using unity tho. but any ideas appreciated.