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https://issues.apache.org/jira/browse/HADOOP-12803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15178406#comment-15178406
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Jason Lowe commented on HADOOP-12803:
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bq. Can we just parse manually the arg -Dhadoop.util.runjar.main-class without
GOP?
No. With or without the GOP trying to parse -D is going to break any existing
jar with a defined main class in the mainfest which itself uses the GOP or
expects -D flags.
> RunJar should allow overriding the manifest Main-Class via a cli parameter.
> ---------------------------------------------------------------------------
>
> Key: HADOOP-12803
> URL: https://issues.apache.org/jira/browse/HADOOP-12803
> Project: Hadoop Common
> Issue Type: Bug
> Components: util
> Affects Versions: 2.6.4
> Reporter: Gera Shegalov
> Assignee: Gera Shegalov
> Attachments: HADOOP-12803.001.patch
>
>
> Currently there is no way to override the main class in the manifest even
> though main class can be passed as a parameter.
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