{"record":{"id":"9bbe2b9c35ca8241","repo":"earendil-works/pi","slug":"piserver-unix-socket-mode-must-be-an-integer-betwe","errorCode":null,"errorMessage":"PiServer Unix socket mode must be an integer between 0 and 0o777","messagePattern":"PiServer Unix socket mode must be an integer between 0 and 0o777","errorType":"validation","errorClass":"TypeError","httpStatus":null,"severity":"error","filePath":"packages/server/src/transports/unix/listener.ts","lineNumber":409,"sourceCode":"\t\t\tif (error) reportError(error);\n\t\t\tresolve();\n\t\t});\n\t});\n}\n\nfunction isErrorCode(error: unknown, code: string): boolean {\n\treturn error instanceof Error && \"code\" in error && error.code === code;\n}\n\nexport function createUnixListener(options: UnixListenerOptions): PiServerListener {\n\treturn new UnixListener(options);\n}\n\nfunction resolveUnixListenerOptions(options: UnixListenerOptions): ResolvedUnixListenerOptions {\n\tvalidateUnixSocketPath(options.path, \"PiServer Unix socket path\");\n\tconst mode = options.mode ?? DEFAULT_SOCKET_MODE;\n\tif (!Number.isInteger(mode) || mode < 0 || mode > 0o777) {\n\t\tthrow new TypeError(\"PiServer Unix socket mode must be an integer between 0 and 0o777\");\n\t}\n\tconst maxFrameLength = options.maxFrameLength ?? DEFAULT_MAX_FRAME_LENGTH;\n\tif (!Number.isSafeInteger(maxFrameLength) || maxFrameLength <= 0 || maxFrameLength > MAX_UINT32) {\n\t\tthrow new TypeError(`PiServer maxFrameLength must be an integer between 1 and ${MAX_UINT32}`);\n\t}\n\tconst maxPendingBytes = options.maxPendingBytes ?? maxFrameLength * 4;\n\tif (!Number.isSafeInteger(maxPendingBytes) || maxPendingBytes < maxFrameLength + 4) {\n\t\tthrow new TypeError(\"PiServer maxPendingBytes must be a safe integer at least maxFrameLength + 4\");\n\t}\n\tconst gracefulCloseTimeoutMs = options.gracefulCloseTimeoutMs ?? DEFAULT_GRACEFUL_CLOSE_TIMEOUT_MS;\n\tif (\n\t\t!Number.isSafeInteger(gracefulCloseTimeoutMs) ||\n\t\tgracefulCloseTimeoutMs <= 0 ||\n\t\tgracefulCloseTimeoutMs > MAX_TIMER_DELAY_MS\n\t) {\n\t\tthrow new TypeError(`PiServer gracefulCloseTimeoutMs must be an integer between 1 and ${MAX_TIMER_DELAY_MS}`);\n\t}\n\treturn {","sourceCodeStart":391,"sourceCodeEnd":427,"githubUrl":"https://github.com/earendil-works/pi/blob/4af9d21d3b4d664e4a29fcabfec85171077248e3/packages/server/src/transports/unix/listener.ts#L391-L427","documentation":"Error \"PiServer Unix socket mode must be an integer between 0 and 0o777\" thrown in earendil-works/pi.","triggerScenarios":"Thrown at packages/server/src/transports/unix/listener.ts:409 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Set the Unix socket mode to an integer between 0 and 0o777."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"4af9d21d3b4d664e4a29fcabfec85171077248e3","analyzedAt":"2026-08-24T13:07:14.692Z","schemaVersion":2},"datasetVersion":"2026-08-24T17:17:21.512Z"}