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Intra_process_demo camera_node and watermark_node print tons of warnings #362

@clalancette

Description

@clalancette

Bug report

Required Info:

  • Operating System:
    • Ubuntu 18.04
  • Installation type:
    • Source
  • Version or commit hash:
  • DDS implementation:
    • Opensplice 6.9
  • Client library (if applicable):
    • rclcpp

Steps to reproduce issue

Terminal 1:

ros2 run intra_process_demo camera_node

Terminal 2:

ros2 run intra_process_demo watermark_node

Expected behavior

Both nodes run, passing data between them.

Actual behavior

Both nodes run, and data gets passed, but camera_node prints once:

[WARN] [rclcpp]: Intra process message no longer being stored when trying to handle it

And watermark_node continually prints:

[WARN] [rclcpp]: Intra process message no longer being stored when trying to handle it
[WARN] [rclcpp]: Intra process message no longer being stored when trying to handle it
[WARN] [rclcpp]: Intra process message no longer being stored when trying to handle it
[WARN] [rclcpp]: Intra process message no longer being stored when trying to handle it
[WARN] [rclcpp]: Intra process message no longer being stored when trying to handle it
[WARN] [rclcpp]: Intra process message no longer being stored when trying to handle it
[WARN] [rclcpp]: Intra process message no longer being stored when trying to handle it
[WARN] [rclcpp]: Intra process message no longer being stored when trying to handle it
[WARN] [rclcpp]: Intra process message no longer being stored when trying to handle it
[WARN] [rclcpp]: Intra process message no longer being stored when trying to handle it

Additional information

I don't see this with image_pipeline_all_in_one or with image_pipeline_with_two_image_view

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