Hitesh Shah created YARN-5219:
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Summary: When an export var command fails in launch_container.sh,
the full container launch should fail
Key: YARN-5219
URL: https://issues.apache.org/jira/browse/YARN-5219
Project: Hadoop YARN
Issue Type: Bug
Reporter: Hitesh Shah
Today, a container fails if certain files fail to localize. However, if certain
env vars fail to get setup properly either due to bugs in the yarn application
or misconfiguration, the actual process launch still gets triggered. This
results in either confusing error messages if the process fails to launch or
worse yet the process launches but then starts behaving wrongly if the env var
is used to control some behavioral aspects.
In this scenario, the issue was reproduced by trying to do export
abc="${foo.bar}" which is invalid as var names cannot contain "." in bash.
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