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https://issues.apache.org/jira/browse/SOLR-12849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16645531#comment-16645531
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Shawn Heisey commented on SOLR-12849:
-------------------------------------
Some additional info, not sure whether these are problems or expected. I added
documents with id values of "1" and "2" to the bar collection, and documents
with id values of "3" and "4" to the bar2 collection. The foo and foo2
collections remain empty.
This command returns numFound=0 (thought maybe it should be 2):
{noformat}
curl -XPOST -s localhost:8983/solr/f_m/select -d 'q=*:*&collection=b_s'
{noformat}
This command returns numFound=4:
{noformat}
rl -XPOST -s localhost:8983/solr/b_m/select -d 'q=*:*&collection=b_s'
{noformat}
Which tells me that even when the presence of a collection parameter doesn't
cause an error, it is being ignored.
> collection parameter referencing an alias being handled differently when sent
> as GET than when sent as POST
> -----------------------------------------------------------------------------------------------------------
>
> Key: SOLR-12849
> URL: https://issues.apache.org/jira/browse/SOLR-12849
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: SolrCloud
> Affects Versions: 7.5
> Reporter: Shawn Heisey
> Priority: Major
>
> This is a weird one.
> Fired up a cloud example, server built from branch_7x code (7.6.0-SNAPSHOT)
> Created four collections with the _default configset -- foo, foo2, bar, bar2.
> Created four aliases, here's the contents of aliases.json:
> {noformat}
> {"collection":{
> "b_s":"bar",
> "b_m":"bar2,bar",
> "f_s":"foo",
> "f_m":"foo2,foo"}}
> {noformat}
> This curl command will fail, with "Could not find collection : b_s" as the
> message:
> {noformat}
> curl -XPOST -s localhost:8983/solr/b_s/select -d 'q=*:*&rows=0&collection=b_s'
> {noformat}
> That seems like a bug, but it's not the whole story. Here's where things get
> weird. The following two commands will NOT fail:
> {noformat}
> curl -XPOST -s localhost:8983/solr/b_m/select -d 'q=*:*&rows=0&collection=b_m'
> curl -XGET -s "localhost:8983/solr/b_s/select?q=*:*&rows=0&collection=b_s"
> {noformat}
> The first one is very similar to the one that fails, except it uses an alias
> pointing at multiple collections instead of an alias pointing at one
> collection. The second is effectively identical to the command that fails,
> except it's a GET rather than a POST -- the parameters are part of the URL
> rather than being specified in the request body.
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