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https://issues.apache.org/jira/browse/SOLR-6962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17885575#comment-17885575
 ] 

ASF subversion and git services commented on SOLR-6962:
-------------------------------------------------------

Commit 34f77886104a15f9e478cf7b4a5f6b0691d79eb7 in solr's branch 
refs/heads/main from Eric Pugh
[ https://gitbox.apache.org/repos/asf?p=solr.git;h=34f77886104 ]

SOLR-6962: bin/solr stop/start/restart should complain about missing value for 
options that expect a value. (#2671)

We parse the args for the start/stop/restart commands separate from actually 
invoking the command.

This means you don't get an error message for passing a start arg, like 
--jvm-opts to a stop commmand, which can cause a hang in running these 
commands.   This prevents the hang and provides a message.

> bin/solr stop/start/restart should complain about missing value for options 
> that expect a value.
> ------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-6962
>                 URL: https://issues.apache.org/jira/browse/SOLR-6962
>             Project: Solr
>          Issue Type: Improvement
>          Components: scripts and tools
>    Affects Versions: 5.0
>            Reporter: Alexandre Rafalovitch
>            Assignee: Eric Pugh
>            Priority: Minor
>              Labels: pull-request-available
>         Attachments: SOLR-6962.patch, SOLR-6962v2.patch
>
>          Time Spent: 1h 50m
>  Remaining Estimate: 0h
>
> *bin/solr* has a *-a* option that expects a second parameter. If one is not 
> provided, it hangs.  It should complain and  exit just like *-e* option does.
> The most common time I hit this is when I try to do *bin/solr stop \-all* and 
> instead just type *bin/solr stop \-a* as I am more used to give full name 
> options with double-dash prefix (Unix conventions, I guess).



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