Li Ming created YARN-157:
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Summary: The option shell_command and shell_script have conflict
Key: YARN-157
URL: https://issues.apache.org/jira/browse/YARN-157
Project: Hadoop YARN
Issue Type: Bug
Components: applications/distributed-shell
Affects Versions: 2.0.1-alpha
Reporter: Li Ming
The DistributedShell has an option shell_script to let user specify a shell
script which will be executed in containers. But the issue is that the
shell_command option is a must, so if both options are set, then every
container executor will end with exitCode=1. This is because DistributedShell
executes the shell_command and shell_script together. For example, if
shell_command is 'date' then the final command to be executed in container is
"date `ExecShellScript.sh`", so the date command will treat the result of
ExecShellScript.sh as its parameter, then there will be an error.
To solve this, the DistributedShell should not use the value of shell_command
option when the shell_script option is set, and the shell_command option also
should not be mandatory.
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