`bugs.mojang.com/browse/MCPE/issues/MCPE-179403` returns “`JSON.parse`: unexpected character at line 1 column 1 of the JSON data”.

When I attempt to access bugs.mojang.com/browse/MCPE/issues/MCPE-179403, I see:

JSON.parse: unexpected character at line 1 column 1 of the JSON data

The HAR is:

{
  "log": {
    "version": "1.2",
    "creator": {
      "name": "Firefox",
      "version": "145.0"
    },
    "browser": {
      "name": "Firefox",
      "version": "145.0"
    },
    "pages": [
      {
        "id": "page_1",
        "pageTimings": {
          "onContentLoad": 217,
          "onLoad": 618
        },
        "startedDateTime": "2025-11-18T16:17:09.443+00:00",
        "title": "<https://bugs.mojang.com/browse/MCPE/issues/MCPE-179403>"
      }
    ],
    "entries": [
      {
        "startedDateTime": "2025-11-18T16:17:09.443+00:00",
        "request": {
          "bodySize": 225,
          "method": "POST",
          "url": "<https://bugs.mojang.com/api/jql-search-post>",
          "httpVersion": "HTTP/1.1",
          "headers": [
            {
              "name": "Host",
              "value": "bugs.mojang.com"
            },
            {
              "name": "User-Agent",
              "value": "Mozilla/5.0 (X11; Linux x86_64; rv:145.0) Gecko/20100101 Firefox/145.0"
            },
            {
              "name": "Accept",
              "value": "application/json"
            },
            {
              "name": "Accept-Language",
              "value": "en-GB,en;q=0.7,en-US;q=0.3"
            },
            {
              "name": "Accept-Encoding",
              "value": "gzip, deflate, br, zstd"
            },
            {
              "name": "Referer",
              "value": "<https://bugs.mojang.com/browse/MCPE/issues/MCPE-179403>"
            },
            {
              "name": "Content-Type",
              "value": "application/json"
            },
            {
              "name": "resource-id",
              "value": ""
            },
            {
              "name": "Content-Length",
              "value": "225"
            },
            {
              "name": "Origin",
              "value": "<https://bugs.mojang.com>"
            },
            {
              "name": "Connection",
              "value": "keep-alive"
            },
            {
              "name": "Cookie",
              "value": "atlassian.xsrf.token=B9ZF-GTOQ-9NYK-WZ0G_3524fbcf355e21fff25292b7f217953ecb7b1362_lin; JSESSIONID=80B7A3EE1B7AEA2ABCB9D7FB37666C47"
            },
            {
              "name": "Sec-Fetch-Dest",
              "value": "empty"
            },
            {
              "name": "Sec-Fetch-Mode",
              "value": "cors"
            },
            {
              "name": "Sec-Fetch-Site",
              "value": "same-origin"
            },
            {
              "name": "Priority",
              "value": "u=4"
            },
            {
              "name": "Pragma",
              "value": "no-cache"
            },
            {
              "name": "Cache-Control",
              "value": "no-cache"
            }
          ],
          "cookies": [
            {
              "name": "atlassian.xsrf.token",
              "value": "B9ZF-GTOQ-9NYK-WZ0G_3524fbcf355e21fff25292b7f217953ecb7b1362_lin"
            },
            {
              "name": "JSESSIONID",
              "value": "80B7A3EE1B7AEA2ABCB9D7FB37666C47"
            }
          ],
          "queryString": [],
          "headersSize": 720,
          "postData": {
            "mimeType": "application/json",
            "params": [],
            "text": "{\\"method\\":\\"POST\\",\\"headers\\":{\\"Accept\\":\\"application/json\\",\\"Content-Type\\":\\"application/json\\"},\\"advanced\\":true,\\"search\\":\\"key = MCPE-179403\\",\\"project\\":\\"MCPE\\",\\"isForge\\":false,\\"filter\\":\\"all\\",\\"page\\":0,\\"maxResults\\":1,\\"workspaceId\\":\\"\\"}"
          }
        },
        "response": {
          "status": 504,
          "statusText": "Gateway Time-out",
          "httpVersion": "HTTP/1.1",
          "headers": [
            {
              "name": "Server",
              "value": "nginx/1.18.0 (Ubuntu)"
            },
            {
              "name": "Date",
              "value": "Tue, 18 Nov 2025 16:18:09 GMT"
            },
            {
              "name": "Content-Type",
              "value": "text/html; charset=UTF-8"
            },
            {
              "name": "Content-Length",
              "value": "495"
            },
            {
              "name": "Connection",
              "value": "keep-alive"
            },
            {
              "name": "X-Powered-By",
              "value": "Express"
            },
            {
              "name": "Access-Control-Allow-Origin",
              "value": "*"
            },
            {
              "name": "Accept-Ranges",
              "value": "bytes"
            },
            {
              "name": "Cache-Control",
              "value": "public, max-age=0"
            },
            {
              "name": "Last-Modified",
              "value": "Fri, 14 Nov 2025 18:08:05 GMT"
            },
            {
              "name": "ETag",
              "value": "W/\\"1ef-19a838d94d2\\""
            },
            {
              "name": "X-Frame-Options",
              "value": "SAMEORIGIN"
            },
            {
              "name": "X-XSS-Protection",
              "value": "1; mode=block"
            },
            {
              "name": "X-Content-Type-Options",
              "value": "nosniff"
            },
            {
              "name": "Referrer-Policy",
              "value": "no-referrer-when-downgrade"
            },
            {
              "name": "Content-Security-Policy",
              "value": "default-src 'self' http: https: data: blob: 'unsafe-inline'"
            }
          ],
          "cookies": [],
          "content": {
            "mimeType": "text/html; charset=UTF-8",
            "size": 495,
            "text": "<!doctype html>\\n<html lang=\\"en\\">\\n  <head>\\n    <meta charset=\\"utf-8\\" />\\n    <title>Mojira Public Bug Tracker</title>\\n    <base href=\\"/\\" />\\n\\n    <meta name=\\"viewport\\" content=\\"width=device-width, initial-scale=1\\" />\\n    <link rel=\\"icon\\" type=\\"image/x-icon\\" href=\\"/favicon.ico\\" />\\n    <script type=\\"module\\" crossorigin src=\\"/assets/index-CT_pA76C.js\\"></script>\\n    <link rel=\\"stylesheet\\" crossorigin href=\\"/assets/index-DlrA-5As.css\\">\\n  </head>\\n  <body>\\n    <div id=\\"root\\"></div>\\n  </body>\\n</html>\\n"
          },
          "redirectURL": "",
          "headersSize": 596,
          "bodySize": 1091
        },
        "cache": {},
        "timings": {
          "blocked": 0,
          "dns": 0,
          "connect": 0,
          "ssl": 0,
          "send": 0,
          "wait": 60054,
          "receive": 0
        },
        "time": 60054,
        "_securityState": "secure",
        "serverIPAddress": "20.93.21.137",
        "connection": "443",
        "pageref": "page_1"
      }
    ]
  }
}

My Environment

Name        : firefox
Version     : 145.0
Release     : 2.fc43
Architecture: x86_64
Install Date: Thu 13 Nov 2025 13:13:44 GMT
Size        : 303659438
Signature   :
              RSA/SHA256, Wed 12 Nov 2025 14:13:37 GMT, Key ID 829b606631645531
Source RPM  : firefox-145.0-2.fc43.src.rpm
Build Date  : Wed 12 Nov 2025 07:56:19 GMT
Build Host  : buildhw-x86-09.rdu3.fedoraproject.org
Packager    : Fedora Project
Vendor      : Fedora Project
URL         : <https://www.mozilla.org/firefox/>
Bug URL     : <https://bugz.fedoraproject.org/firefox>