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https://issues.apache.org/jira/browse/SOLR-11645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16254141#comment-16254141
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Shawn Heisey commented on SOLR-11645:
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bq. Personally I always prefer alphabetical ordering.
For many things, I tend to agree, but I think in this case, we probably want
them unsorted.
If a Java commandline has competing arguments, for instance both "-Xmx512M" and
"-Xmx4G" ... is Java going to behave differently when one of them is listed
first versus how it behaves when the other is listed first? I suspect that the
behavior IS different, but if I'm wrong about that, then I will agree that
sorting is the best option. If Java *does* behave differently when the order
is changed, then I think we want them shown in actual order.
I wonder if it might be possible to have a sort button in the UI, so people can
do a one-time sort of the list, which would aid in learning whether or not an
option is present without reading the entire list. If an option like that is
implemented, I think that a page refresh should go back to an unsorted list.
> When there are duplicate java commandline arguments, the Solr UI dashboard
> doesn't show Args at all
> ---------------------------------------------------------------------------------------------------
>
> Key: SOLR-11645
> URL: https://issues.apache.org/jira/browse/SOLR-11645
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: Admin UI
> Affects Versions: 7.1
> Reporter: Shawn Heisey
> Priority: Minor
> Attachments: SOLR-11645.patch, SOLR-11645.patch
>
>
> A user couldn't get the "Args" to display in the admin UI.
> Ultimately it was determined that they had duplicate arguments on their
> commandline, and this was resulting in an error in the browser:
> {code}
> Error: [ngRepeat:dupes] Duplicates in a repeater are not allowed. Use
> 'track by' expression to specify unique keys. Repeater: arg in
> commandLineArgs, Duplicate key: string:-XX:+UseGCLogFileRotation, Duplicate
> value: -XX:+UseGCLogFileRotation
> {code}
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