The issue is Windows quote handling. Use this instead:
curl -X POST -H “Content-Type: application/json” –data-binary
“{"delete":{"query":":"}}”
http://localhost:8983/solr/core_name/update?commit=true
Opensolr SRL
Your Path to Ai Search
https://opensolr.com
> On 4 Jan 2026, at 14:11, Scott Vanderbilt <[email protected]> wrote:
>
> Hello.
>
> When attempting to delete all documents from a Solr index, it returns an
> error I've not seen before.
>
> Following the instructions on:
> https://solr.apache.org/guide/solr/latest/indexing-guide/reindexing.html#delete-all-documents,
> I execute the following curl command:
>
> curl -X POST -H 'Content-Type: application/json' --data-binary
> '{"delete":{"query":"*:*"}}' http://localhost:8983/solr/core_name/update
>
> which returns the following response:
>
> curl: (6) Could not resolve host: application
> {
> "responseHeader":{
> "status":400,
> "QTime":13
> },
> "error":{
>
> "metadata":["error-class","org.apache.solr.common.SolrException","root-error-class","org.apache.solr.common.SolrException"],
> "msg":"missing content stream",
> "code":400
> }
> }
>
> Could someone kindly point out what I am doing wrong?
>
> Many thanks in advance.
>
> Environment: Solr 9.9.0 on Windows 11, with JDK 21
>
