System test failures occur when running 100s of times #1079
Description
Bug report
This is not a single issue, but a meta-ticket for discussing the system test failures that are occurring.
For example, I ran the system test using the method in #1076 with three different RMW implementations and got these results:
FastRTPS - failed 4/100 times
OpenSplice - failed 17/100 times
CycloneDDS - failed 23/100 times
Required Info:
- Operating System:
- Ubuntu 18.04
- Installation type:
- Source (master branch as of 8/26/19)
- Version or commit hash:
- DDS implementation:
- multiple (FastRTPS, CycloneDDS, OpenSplice)
- Client library (if applicable):
- rclcpp (master branch as of 8/26/19)
- 17841d6b7cff96efef87400fee2dcd63a6f10101
Steps to reproduce issue
See PR #1076
Expected behavior
Tests should pass 100/100 times
Actual behavior
FastRTPS - failed 4/100 times
OpenSplice - failed 17/100 times
CycloneDDS - failed 23/100 times
Additional information
I'll update the ticket with more info in the comments.