denoland/deno · error · TypeError

Failed to set value

Error message

Failed to set value

What it means

Error "Failed to set value" thrown in denoland/deno.

Source

Thrown at ext/kv/01_db.ts:215

        return {
          key: keys[i],
          value: null,
          versionstamp: null,
        };
      }
      return deserializeValue(entries[0]);
    });
  }

  async set(key: Deno.KvKey, value: unknown, options?: { expireIn?: number }) {
    validateExpireIn(options?.expireIn);
    const versionstamp = await doAtomicWriteInPlace(
      this.#rid,
      [],
      [[key, "set", serializeValue(value), options?.expireIn]],
      [],
    );
    if (versionstamp === null) throw new TypeError("Failed to set value");
    return { ok: true, versionstamp };
  }

  async delete(key: Deno.KvKey) {
    const result = await doAtomicWriteInPlace(
      this.#rid,
      [],
      [[key, "delete", null, undefined]],
      [],
    );
    if (!result) throw new TypeError("Failed to set value");
  }

  list(
    selector: Deno.KvListSelector,
    options: {
      limit?: number;
      batchSize?: number;

View on GitHub (pinned to 89f33cbef2)

When it happens

Trigger: Thrown at ext/kv/01_db.ts:215 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of denoland/deno@89f33cbef2 (2026-08-16). Data as JSON: /api/errors/8344a658eadd1d70. Report an issue: GitHub.