{"record":{"id":"b340cae6b91bfa02","repo":"ruvnet/ruflo","slug":"rvf-embedding-cache-invalid-magic-bytes-skippin","errorCode":null,"errorMessage":"[rvf-embedding-cache] Invalid magic bytes, skipping load","messagePattern":"\\[rvf-embedding-cache\\] Invalid magic bytes, skipping load","errorType":"console","errorClass":null,"httpStatus":null,"severity":"error","filePath":"v3/@claude-flow/embeddings/src/rvf-embedding-cache.ts","lineNumber":504,"sourceCode":"   * Load entries from the binary cache file.\n   */\n  private loadFromFile(): void {\n    try {\n      const fileBuffer = readFileSync(this.cachePath);\n      if (fileBuffer.length < MAGIC.length) return;\n\n      const buffer = fileBuffer.buffer.slice(\n        fileBuffer.byteOffset,\n        fileBuffer.byteOffset + fileBuffer.byteLength\n      );\n      const view = new DataView(buffer);\n      const bytes = new Uint8Array(buffer);\n      let offset = 0;\n\n      // Verify magic\n      for (let i = 0; i < MAGIC.length; i++) {\n        if (bytes[offset + i] !== MAGIC[i]) {\n          console.warn('[rvf-embedding-cache] Invalid magic bytes, skipping load');\n          return;\n        }\n      }\n      offset += MAGIC.length;\n\n      // Check for version header (v2+)\n      let formatVersion = 1;\n      if (offset + 4 <= buffer.byteLength) {\n        const possibleVersion = view.getUint32(offset, true);\n        if (possibleVersion === 2) {\n          formatVersion = possibleVersion;\n          offset += 4;\n        }\n      }\n\n      // Read entries\n      while (offset + 8 <= buffer.byteLength) {\n        // Need at least 4 (hash) + 4 (dims) = 8 bytes for the header","sourceCodeStart":486,"sourceCodeEnd":522,"githubUrl":"https://github.com/ruvnet/ruflo/blob/fa13ee4ad60ac2090b1480656eb233521790d640/v3/@claude-flow/embeddings/src/rvf-embedding-cache.ts#L486-L522","documentation":"Log warning in loadFromFile: the cache file's header magic bytes do not match the expected rvf cache format (wrong or corrupt file), so the whole file is skipped and the cache starts empty.","triggerScenarios":"Thrown at v3/@claude-flow/embeddings/src/rvf-embedding-cache.ts:504 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Delete the cache file so it is regenerated; invalid magic bytes indicate a corrupt or wrong-format cache file."],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"fa13ee4ad60ac2090b1480656eb233521790d640","analyzedAt":"2026-08-18T21:34:22.708Z","contentChangedAt":"2026-08-18T21:34:22.708Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}