{"record":{"id":"a00a9d103c982afa","repo":"influxdata/influxdb","slug":"failed-to-parse-line-protocol-0","errorCode":null,"errorMessage":"failed to parse line protocol: {0}","messagePattern":"failed to parse line protocol: (.+?)","errorType":"http","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"influxdb3_server/src/http.rs","lineNumber":239,"sourceCode":"    ClientHangup(Box<dyn std::error::Error + Send + Sync>),\n\n    /// The client sent a request body that exceeds the configured maximum.\n    #[error(\"max request size ({0} bytes) exceeded\")]\n    RequestSizeExceeded(usize),\n\n    /// Decoding a gzip-compressed stream of data failed.\n    #[error(\"error decoding gzip stream: {0}\")]\n    InvalidGzip(std::io::Error),\n\n    #[error(\"invalid mime type ({0})\")]\n    InvalidMimeType(String),\n\n    /// DatabaseName validation error.\n    #[error(\"error validating database name: {0}\")]\n    InvalidDatabaseName(#[from] DatabaseNameError),\n\n    /// Failure to decode the provided line protocol.\n    #[error(\"failed to parse line protocol: {0}\")]\n    ParseLineProtocol(influxdb_line_protocol::Error),\n\n    /// The router is currently servicing the maximum permitted number of\n    /// simultaneous requests.\n    #[error(\"this service is overloaded, please try again later\")]\n    RequestLimit,\n\n    /// The request has no authentication, but authorization is configured.\n    #[error(\"authentication required\")]\n    Unauthenticated,\n\n    /// The provided authorization is not sufficient to perform the request.\n    #[error(\"access denied\")]\n    Forbidden,\n\n    /// The HTTP request method is not supported for this resource\n    #[error(\"unsupported method\")]\n    UnsupportedMethod,","sourceCodeStart":221,"sourceCodeEnd":257,"githubUrl":"https://github.com/influxdata/influxdb/blob/06200ef96ba82c5f6727e5038a83af8e722c6875/influxdb3_server/src/http.rs#L221-L257","documentation":"This error indicates the server failed to decode the request body as InfluxDB line protocol. The influxdb_line_protocol parser rejected the payload, and the underlying parser error (with line/column detail) is embedded in the message. The server returns this instead of writing any data points.","triggerScenarios":"POSTing to /api/v3/write_lp (or v1 /write) with a body containing malformed line protocol: bad measurement/field syntax, missing field value, unescaped commas or quotes, invalid timestamp, or wrong Content-Type/encoding for the body.","commonSituations":"Hand-built line protocol strings with unescaped spaces or commas; CSV data pasted without conversion; timestamps in wrong precision or format; missing newline between points; gzip/compressed body sent without proper encoding handling.","solutions":["Read the embedded line-protocol error for the exact line and column that failed to parse and fix the body at that position.","Validate the payload locally with the influxdb3_client or a line protocol linter before sending.","Escape special characters: commas, spaces, equals signs, and quotes in measurements/tags must be backslash-escaped.","Ensure the Content-Type matches (text/plain or application/octet-stream for line protocol) and the body is not accidentally compressed or truncated.","Send points one per line or ensure newline separators between multiple points."],"exampleFix":"// before\nlet lp = \"cpu,host=server01 usage=0.5\"; // missing comma between tag and field\n// after\nlet lp = \"cpu,host=server01 usage=0.5\"; -> \"cpu,host=server01 usage=0.5\"\n// correct: \"cpu,host=server01 usage=0.5\" must be \"cpu,host=server01 usage=0.5\"\n// i.e. \"cpu,host=server01 usage=0.5\" -> \"cpu,host=server01 usage=0.5\";","handlingStrategy":"validation","validationCode":"fn looks_like_line_protocol(body: &str) -> bool {\n    body.lines().all(|l| {\n        let l = l.trim();\n        l.is_empty() || (l.contains(',') || l.contains(' ')) && l.contains('=')\n    })\n}","typeGuard":null,"tryCatchPattern":null,"preventionTips":["Escape commas, spaces, equals signs, and quotes in measurement/tag/field names.","Use a client library serializer instead of hand-building line protocol strings.","Send a single point first to validate format before bulk writes.","Confirm Content-Type and that the body is not compressed unless the endpoint expects it."],"tags":["line-protocol","parse-error","http-api","influxdb3"],"backgroundTag":"invalid-argument-format","analyzedSha":"06200ef96ba82c5f6727e5038a83af8e722c6875","analyzedAt":"2026-09-19T12:55:30.003Z","contentChangedAt":"2026-09-19T12:55:30.003Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}