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https://issues.apache.org/jira/browse/YARN-157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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rainy Yu updated YARN-157:
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Attachment: hadoop_yarn.patch
This patch can let option shell_command not be mandatory when running
distributedShell program. Because the distributedShell program is a linux
shell, it's available to set option shell_command '/bin/sh' by default when
option shell_command is missing.
> 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
> Labels: patch
> Attachments: hadoop_yarn.patch
>
>
> 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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