For some search requests to SOLR 7.2.1 I have to use quite long queries (oversees 8192 symbols), as a result I'm getting (414) URI Too Long error.

I've already investigated many articles and tried solutions from them, but any doesn't help:

  1. https://wcms.clearpeople.com/insights/blog/2017/june/using-post-to-communicate-with-solr-from-sitecore

  2. https://vicent.dev/post/2017/04/28/Using-POST-to-communicate-with-Solr-from-Sitecore

  3. ContentSearch Solr SendPostRequests settings throw exception

Is there any working solution for Sitecore 9.1 and Solr 7.2.1?

  • 1
    You seen this already? Dec 10, 2019 at 14:44
  • Yes, I saw it, but it does not suit our needs. Dec 11, 2019 at 8:23
  • but we can send a POST request to SOLR without sitecore , is there any dependecny on using Sitecore for the POST request ?
    – Abhay Dhar
    Dec 11, 2019 at 9:50

1 Answer 1


I've finally got an answer from Sitecore Support - unfortunately there is no way to send POST requests to Solr (7.2.1) from Sitecore (at least 9+). Hope it will be fixed soon, but as of now - there is an official response:

Thank you for contacting our support team. From the provided description, it looks like you've faced a bug with reference number 288837, because of which setting "ContentSearch.Solr.SendPostRequests" does not work with value "true". More information about public reference numbers can be found here: https://kb.sitecore.net/articles/853187

According to our tickets history, changing the "ContentSearch.Solr.SendPostRequests" value to "false" and increasing a header size as per the mentioned by you KB article is the only known workaround at the moment.

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