{"record":{"id":"056e4eeab2f2a6ba","repo":"gitbutlerapp/gitbutler","slug":"failed-to-fetch-release-information-from-url-http-response","errorCode":null,"errorMessage":"Failed to fetch release information from {url}. HTTP {response_code}","messagePattern":"Failed to fetch release information from (.+?)\\. HTTP (.+?)","errorType":"http","errorClass":null,"httpStatus":null,"severity":"error","filePath":"crates/but-installer/src/release.rs","lineNumber":61,"sourceCode":"            .with_context(|| format!(\"Failed to fetch release information from {url}\"))?;\n    }\n\n    let response_code = easy\n        .response_code()\n        .context(\"Failed to get response code\")?;\n\n    if response_code != 200 {\n        match &config.version_request {\n            crate::config::VersionRequest::Specific(version) => {\n                bail!(\n                    \"Failed to fetch release information for version {version}. Version may not exist. HTTP {response_code}\"\n                );\n            }\n            crate::config::VersionRequest::Nightly => {\n                bail!(\"Failed to fetch nightly release information. HTTP {response_code}\");\n            }\n            crate::config::VersionRequest::Release => {\n                bail!(\"Failed to fetch release information from {url}. HTTP {response_code}\");\n            }\n        }\n    }\n\n    // Validate the effective URL after following redirects\n    // This protects against malicious redirects to untrusted domains or insecure protocols\n    let effective_url = easy\n        .effective_url()\n        .context(\"Failed to get effective URL\")?\n        .ok_or_else(|| anyhow!(\"Effective URL is missing\"))?;\n\n    validate_api_url(effective_url).with_context(|| {\n        format!(\"Release API was redirected to an untrusted URL: {effective_url}\")\n    })?;\n\n    let release: Release =\n        serde_json::from_slice(&response_data).context(\"Failed to parse release information\")?;\n","sourceCodeStart":43,"sourceCodeEnd":79,"githubUrl":"https://github.com/gitbutlerapp/gitbutler/blob/58e5313667b857ef39a730e380af31816a7b1768/crates/but-installer/src/release.rs#L43-L79","documentation":"For the default VersionRequest::Release mode, fetch_release bails with the requested URL and HTTP status when the releases endpoint returns non-200. Including the URL helps diagnose redirects, blocks, or wrong endpoints.","triggerScenarios":"Latest-release API call returns 404 (no releases published), 403 (rate limit/blocked), 5xx (server error), or an unexpected status after redirects.","commonSituations":"Fresh project with no published releases yet, corporate proxy blocking the API host, GitHub API rate limiting in CI, transient outages.","solutions":["Check the printed URL in a browser/curl to see the actual response","Wait and retry if rate-limited (403 with rate-limit headers)","Verify at least one release is published for the project","Check proxy/firewall settings for the API domain"],"exampleFix":"null","handlingStrategy":"retry","validationCode":"let resp = reqwest::Client::new()\n    .get(\"https://api.github.com/repos/OWNER/REPO/releases/latest\")\n    .header(\"User-Agent\", \"app\")\n    .send().await?;\nlet ok = resp.status().is_success();","typeGuard":null,"tryCatchPattern":"match result {\n    Err(e) if e.to_string().contains(\"HTTP\") => {\n        // inspect printed URL + status; backoff and retry on 403/5xx\n    }\n    other => other?,\n}","preventionTips":["Check releases exist before invoking the installer","Use auth tokens to avoid API rate limits","Verify corporate proxies allow the API host","Implement retry with backoff for transient failures"],"tags":["http","api","release","network"],"backgroundTag":"http-non-200-response","analyzedSha":"58e5313667b857ef39a730e380af31816a7b1768","analyzedAt":"2026-09-18T06:50:32.052Z","contentChangedAt":"2026-09-18T06:50:32.052Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}