chroma-core/chroma · warning
Failed to fetch package data: ${response.statusText}
Error message
Failed to fetch package data: ${response.statusText} What it means
Thrown by the chromadb CLI's update check when the HTTP request to https://registry.npmjs.org/chromadb returns a non-OK status. The CLI fetches npm dist-tags to compare your installed version against latest; if the registry responds with an error status (proxy block, 404, 5xx, rate limit), this error aborts the check. It is a version-notification concern only, not a database or data problem.
Source
Thrown at clients/js/packages/chromadb/src/cli.ts:15
#!/usr/bin/env node
import semver from "semver";
import binding from "./bindings";
interface NpmPackageData {
"dist-tags": {
latest: string;
[tag: string]: string;
};
}
const getLatestVersion = async (packageName: string): Promise<string> => {
const response = await fetch(`https://registry.npmjs.org/${packageName}`);
if (!response.ok) {
throw new Error(`Failed to fetch package data: ${response.statusText}`);
}
const data: NpmPackageData = await response.json();
return data["dist-tags"].latest;
};
const update = async (): Promise<void> => {
try {
const installedVersion = process.env.CHROMADB_VERSION || "0.0.0";
const latestVersion = await getLatestVersion("chromadb");
if (semver.lt(installedVersion, latestVersion)) {
console.log(`\nA new chromadb version (${latestVersion}) is available!`);
console.log("\n\x1b[4mUpdat with npm\x1b[0m");
console.log("npm install chromadb@latest");
console.log("\n\x1b[4mUpdat with pnpm\x1b[0m");
console.log("pnpm add chromadb@latest");
View on GitHub (pinned to aecdd12c8a)
Solutions
- Check network access to https://registry.npmjs.org/chromadb from the same environment (curl -I).
- Configure proxy environment variables (HTTPS_PROXY) so fetch goes through the allowed proxy.
- Retry later if npm was returning a transient 5xx/429.
- Ignore safely: this only affects the new-version notice, not CLI functionality — wrap or skip the update check if your workflow does not need it.
Defensive patterns
Strategy: try-catch
Try / catch
try {
await getLatestVersion("chromadb"); // or run the CLI update check
} catch (e) {
// Update notification only — never fail the workflow for it
console.warn(`Update check skipped: ${(e as Error).message}`);
} Prevention
- Treat the CLI update check as optional; wrap it so registry errors never break scripts.
- Configure HTTPS_PROXY in restricted networks.
- Pin attention to real failures elsewhere: this error does not affect database operation.
When it happens
Trigger: Running the chromadb CLI behind a corporate proxy/firewall that rejects or rewrites registry.npmjs.org; npm registry returning 404/429/5xx; a transparent proxy returning an error status page; offline environments where a proxy answers with a non-200.
Common situations: Locked-down corporate networks; CI with restricted egress; temporary npm registry outages; air-gapped machines with a misconfigured proxy.
Related errors
- Error calling Cloudflare Workers AI API: ${error.message}
- Failed to generate embeddings: ${response.statusText}
- Error calling Jina AI API: ${error.message}
- Error calling Together AI API: ${error.message}
- Error calling Chroma Embedding API: ${error.message}
AI-assisted analysis of chroma-core/chroma@aecdd12c8a (2026-08-16).
Data as JSON: /api/errors/299b7c58056db671.
Report an issue: GitHub.