Bdr Search Malformed Query

{
  "example": "BDR search API \u2014 malformed Solr query",
  "provider": "Brown University",
  "providerId": "brown",
  "generated": "2026-08-30",
  "method": "searched",
  "source": "https://repository.library.brown.edu/api/search/?q=%5B",
  "x-operator": "institution",
  "request": {
    "method": "GET",
    "url": "https://repository.library.brown.edu/api/search/?q=%5B",
    "headers": {
      "Accept": "application/json"
    }
  },
  "response": {
    "status": 200,
    "content_type": "application/json",
    "body": {
      "responseHeader": {
        "status": 0,
        "QTime": 0,
        "params": {
          "q": "[",
          "fl": "*",
          "rows": "10",
          "wt": "json"
        }
      },
      "response": {
        "numFound": 0,
        "start": 0,
        "docs": []
      },
      "links": {
        "login": "https://repository.library.brown.edu/api/login/?next=/api/search/%3Fq%3D%255B"
      }
    }
  },
  "note": "Probed error case. Brown documents that a badly formatted query returns 400; this unbalanced-bracket probe returned 200 with an empty result set instead, so the documented and observed behaviour diverge. Recorded as observed, not as documented.",
  "method_note": "Response body is Brown's, captured verbatim from a live probe on 2026-08-30; the surrounding request/response wrapper is API Evangelist's.",
  "probed": "2026-08-30"
}