Kimahriman opened a new pull request, #7758:
URL: https://github.com/apache/hadoop/pull/7758
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### Description of PR
When using the Docker runtime, signals do not get forwarded to applications
because the parent `bash -c` process that runs swallows all signals and doesn't
forward them. Non-docker runtimes don't have this issue because signals are
sent to the process group, not just the parent process, so all child processes
receive the signal even if the parent process doesn't forward it.
The launch_container.sh script is already running in bash, so I don't think
there is a need for another bash process.
### How was this patch tested?
UT showing that there is no bash parent process for a running container.
### For code changes:
- [x] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
- [x] Object storage: have the integration tests been executed and the
endpoint declared according to the connector-specific documentation?
- [x] If adding new dependencies to the code, are these dependencies
licensed in a way that is compatible for inclusion under [ASF
2.0](http://www.apache.org/legal/resolved.html#category-a)?
- [x] If applicable, have you updated the `LICENSE`, `LICENSE-binary`,
`NOTICE-binary` files?
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