[jira] [Commented] (YARN-10228) Yarn Service fails if am java opts contains ZK authentication file path

["Eric Yang (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-10228?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17110407#comment-17110407 ] 

Eric Yang commented on YARN-10228:
----------------------------------

Thank you [~BilwaST] for the bug report.  I think there are two methods to resolve this issue:

1.  Use YARN service json with:

{code}
"configuration" : {
    "properties" : {
        "java.security.auth.login.config" : "/opt/hadoop/etc/jaas-zk.conf"
    }
}
{code}

2.  Allow "/" character to pass through in launch command.

{code}
-    Pattern pattern = Pattern.compile("[!~#?@*&%${}()<>\\[\\]|\"\\/,`;]");
+    Pattern pattern = Pattern.compile("[!~#?@*&%${}()<>\\[\\]|\",`;]");
{code}

The second approach will allow the specified yarn.service.am.java.opts to receive "/" character.  I am not sure 100% sure, if this could have any undesired loophole.  Some confirmation from your side would be great.  Thanks

> Yarn Service fails if am java opts contains ZK authentication file path
> -----------------------------------------------------------------------
>
>                 Key: YARN-10228
>                 URL: https://issues.apache.org/jira/browse/YARN-10228
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Bilwa S T
>            Assignee: Bilwa S T
>            Priority: Major
>
> If i configure 
> {code:java}
> yarn.service.am.java.opts=-Xmx768m -Djava.security.auth.login.config=/opt/hadoop/etc/jaas-zk.conf
> {code}
> Invalid character error is getting printed .
> This is due to jvm opts validation added in YARN-9718



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