ros2 / ros2/launch

[launch] prevent launch from hanging when unexpected exceptions occur internally

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enhancement
Dominant language
Python
Stars
155
Forks
182
Avg merge
2d 14h
Merged PRs (30d)
6

Description

A follow up of https://github.com/ros2/launch/issues/90, where an exception in the default ros launch description caused launch itself to hang, see:

https://github.com/ros2/launch/issues/90#issuecomment-400852504

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reading the linked issue #90 and its referenced comment to understand how the unexpected exception leaves launch hanging. Then trace the launch error-handling path and define completion as ensuring an internal exception is reported or terminates launch instead of leaving it running indefinitely.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
tooling
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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