Jacob Perron

rebased on rolling

59/200 where client hung. Fast-RTSP on High Sierra.

Also, running a Python server with a C++ client results in the same issue: ``` ros2 run demo_nodes_py add_two_ints_server ```

I was able to reproduce with Fast-RTPS on Xenial by also making the CPU busy during the test (e.g. building a workspace with colcon). The client remains hung even after...

> FYI for a more reproducible stress test I recommend the stress tool. It's available as the deb stress Thanks, I discovered that soon after :+1:

Potentially related: https://github.com/ros2/rmw_fastrtps/pull/238#pullrequestreview-190880807 It appears that when the client hangs, it could be due to the number of requested subscribers being reported as zero at the `rmw` layer (even though...

Also happens on OSX (High Sierra) with the latest binaries.

> Have you released this update so that it will be in ROS2 foxy after the sync Friday (https://discourse.ros.org/t/preparing-for-foxy-sync-and-patch-release-2020-07-10/15265)? The workaround in #390 dropped from my radar. I've added it...

@MiguelCompany With eProsima/Fast-DDS#1295, does it mean that the changes introduced in #390 are no longer required (or should #390 still be backported to Foxy)?

@MiguelCompany If you can create a new release tag for the Fast-DDS `2.x.x` branch, I can help bloom a new release into rosdistro for Foxy.