{"record":{"id":"208973becb0a6753","repo":"danny-avila/LibreChat","slug":"an-error-occurred-during-file-deletion","errorCode":null,"errorMessage":"An error occurred during file deletion.","messagePattern":"An error occurred during file deletion\\.","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"api/server/services/Files/Code/crud.js","lineNumber":122,"sourceCode":"        lastError = error;\n        if (!missingOrUnsupportedStatuses.has(error.response?.status)) {\n          throw error;\n        }\n      }\n    }\n  } catch (error) {\n    lastError = error;\n  }\n\n  if (lastError) {\n    logAxiosError({\n      error: lastError,\n      message: `Error deleting code environment file: ${lastError.message}`,\n    });\n    if (lastError.response?.status === 404) {\n      return;\n    }\n    throw new Error(lastError.message || 'An error occurred during file deletion.');\n  }\n}\n\n/**\n * Uploads a file to the Code Environment server.\n *\n * `kind`/`id`/`version?` are required so codeapi can route the upload to\n * the correct sessionKey bucket — `<tenant>:<kind>:<id>[:v:<version>]`\n * for shared kinds, `<tenant>:user:<authContext.userId>` for `user`.\n * Without these, codeapi falls back to user-scoped bucketing regardless\n * of the resource the file belongs to, so skill-cache invalidation\n * (driven by the version bump on edit) never fires. See codeapi #1455.\n *\n * @param {Object} params - The params object.\n * @param {ServerRequest} params.req - The request object from Express. It should have a `user` property with an `id` representing the user\n * @param {import('fs').ReadStream | import('stream').Readable} params.stream - The read stream for the file.\n * @param {string} params.filename - The name of the file.\n * @param {'skill' | 'agent' | 'user'} params.kind - Resource kind that owns this file's storage session.","sourceCodeStart":104,"sourceCodeEnd":140,"githubUrl":"https://github.com/danny-avila/LibreChat/blob/5ff282f9006c436e561de1afd39a481bea1ef0d8/api/server/services/Files/Code/crud.js#L104-L140","documentation":"Thrown by the Code environment file-deletion path (Code/crud.js) when a deletion attempt left a lastError whose own message is empty, used as a fallback so the caller still receives a non-empty error string. A 404 is explicitly swallowed (returns early) before this line.","triggerScenarios":"The code server returned a non-404 failure with an empty or undefined error.message — e.g. a connection reset with no message, or an unexpected response shape where lastError exists but carries no message.","commonSituations":"Code server crashed mid-request leaving an error object without a message; axios produced an error whose message was stripped by an interceptor; the delete attempt hit a 500 with an empty body.","solutions":["Inspect the logAxiosError output emitted just before the throw — it captures lastError details even when .message is empty.","Reproduce with verbose code-server logging to capture the underlying status/response.","Treat a confirmed 404 as already-deleted and short-circuit earlier if the file is known to be gone.","Verify the code server is healthy and the delete endpoint is reachable."],"exampleFix":"// before\nthrow new Error(lastError.message || 'An error occurred during file deletion.');\n\n// after\nconst detail = lastError.response?.status\n  ? `code ${lastError.response.status}`\n  : lastError.code || lastError.message;\nthrow new Error(`Code env file deletion failed (${detail})`);","handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"try {\n  await deleteCodeEnvFile(params);\n} catch (err) {\n  if (/An error occurred during file deletion/.test(err.message)) {\n    logger.error('Delete produced empty error message', { lastError });\n    return res.status(502).json({ message: 'Code server returned an unspecified deletion error' });\n  }\n  throw err;\n}","preventionTips":["Capture lastError details (status, code, response) in logs since the message may be empty.","Short-circuit on confirmed 404 before reaching the fallback throw.","Monitor the code server health so empty-message errors are rare."],"tags":["code-env","deletion","error-wrapping"],"backgroundTag":null,"analyzedSha":"5ff282f9006c436e561de1afd39a481bea1ef0d8","analyzedAt":"2026-08-12T21:38:08.145Z","schemaVersion":2},"datasetVersion":"2026-08-12T23:17:12.415Z"}