chroma-core/chroma · error · Error

Invalid response format: missing or invalid embeddings array

Error message

Invalid response format: missing or invalid embeddings array

What it means

Error "Invalid response format: missing or invalid embeddings array" thrown in chroma-core/chroma.

Source

Thrown at clients/new-js/packages/ai-embeddings/chroma-cloud-splade/src/index.ts:146

      });

      if (!response.ok) {
        const errorText = await response.text();
        throw new Error(
          `HTTP ${response.status} ${response.statusText}: ${errorText}`,
        );
      }

      const data =
        (await response.json()) as ChromaCloudSparseEmbeddingsResponse;

      // Validate response structure
      if (!data || typeof data !== "object") {
        throw new Error("Invalid response format: expected object");
      }

      if (!Array.isArray(data.embeddings)) {
        throw new Error(
          "Invalid response format: missing or invalid embeddings array",
        );
      }

      // Sort the sparse vectors to match Python behavior
      sortSparseVectors(data.embeddings);

      return data.embeddings;
    } catch (error) {
      if (error instanceof Error) {
        throw new Error(`Error calling Chroma Embedding API: ${error.message}`);
      } else {
        throw new Error(`Error calling Chroma Embedding API: ${error}`);
      }
    }
  }

  public async generateForQueries(texts: string[]): Promise<SparseVector[]> {

View on GitHub (pinned to aecdd12c8a)

When it happens

Trigger: Thrown at clients/new-js/packages/ai-embeddings/chroma-cloud-splade/src/index.ts:146 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of chroma-core/chroma@aecdd12c8a (2026-08-16). Data as JSON: /api/errors/a7875fa00ab42dd7. Report an issue: GitHub.