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https://issues.apache.org/jira/browse/SOLR-11441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16194248#comment-16194248
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Dawid Weiss commented on SOLR-11441:
------------------------------------
I don't know what that page says, but on my machine(s) the '=' is definitely
not split when passed to a raw Java process.
{code}
public class Test {
public static void main(String[] args) {
for (int i = 0; i < args.length; i++) {
System.out.println(i + ": " + args[i]);
}
}
}
{code}
Windows 10, with latest patches.
When using {{cmd}}:
{code}
C:\_tmp>java -cp . Test -Dfoo=bar
0: -Dfoo=bar
{code}
When using {{powershell}}:
{code}
PS C:\_tmp> java -cp . Test -Dfoo=bar
0: -Dfoo=bar
{code}
> windows shell splits args on "=" so we should consider updating our docs to
> always quote args like -Dfoo=bar or improve bin/solr.cmd to account for this
> --------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-11441
> URL: https://issues.apache.org/jira/browse/SOLR-11441
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: documentation, scripts and tools
> Environment: Windows 10, possible other versions as well (presumably
> not when running cygwin?)
> Reporter: Hoss Man
>
> confusing exchange with a user on freenode#solr led to this discovery...
> {noformat}
> 14:07 < sara_:#solr> New question: bin/solr start -e techproducts
> -Dsolr.ltr.enabled=true
> 14:07 < sara_:#solr> gave me invalid command-line option:true
> 14:07 < sara_:#solr> anyone knows why?
> ...
> 15:02 < sara_:#solr> i have 6.6.1 @elyograg
> 15:03 < sara_:#solr> mine is a windows 10 machine
> ...
> 15:28 < sara_:#solr> @elyograg i just downloaded solr-7.0.0 and ran bin/solr
> start -e techproducts -Dsolr.ltr.enabled=true
> 15:28 < sara_:#solr> it still gave me invalid command-line
> ...
> 15:29 <@hoss:#solr> sara_: the only thing i can think of is that windows 10
> is splitting your command line on '=' ? ... can you try
> quoting the entire command line arg so the script gets
> the entire -Dsolr.ltr.enabled=true ? (not sure how to quote
> strings in the windows command shell -- i would assume
> "-Dsolr.ltr.enabled=true"
> 15:32 <@hoss:#solr> sigh ... yes, aparently windows things "=" is a shell
> delimiter: https://ss64.com/nt/syntax-esc.html
> 15:33 <@hoss:#solr> s/shell delimiter/parameter delimiter in shell commands/
> 15:33 < sara_:#solr> you are genius!
> 15:34 < sara_:#solr> you and elyograg. you guys are fantastic. Saving me from
> looking at the cmd script or shell script....
> 15:34 <@hoss:#solr> sara_: do i have your permission to copy/paste this
> exchange into our bug tracker as a note about updating our docs
> (and maybe making the solr.cmd smart enough to handle
> this) ?
> 15:45 < sara_:#solr> sure of course
> {noformat}
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