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https://issues.apache.org/jira/browse/TEZ-2662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14717694#comment-14717694
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Siddharth Seth commented on TEZ-2662:
-------------------------------------

+1

> Provide a way to check whether AM or task opts are valid and error if not 
> --------------------------------------------------------------------------
>
>                 Key: TEZ-2662
>                 URL: https://issues.apache.org/jira/browse/TEZ-2662
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Hitesh Shah
>            Assignee: Hitesh Shah
>         Attachments: TEZ-2662.1.patch, TEZ-2662.2.patch, TEZ-2662.3.patch
>
>
> Current impl appends cmd-opts specified in config to programmatic opts 
> provided. This creates potential conflicts when using UseParallelGC v/s 
> UseG1GC 
> Tez should support a way to do checks for invalid java opts and error out as 
> needed. 



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