{"record":{"id":"302e97c466462db3","repo":"influxdata/influxdb","slug":"incoming-write-was-empty","errorCode":null,"errorMessage":"incoming write was empty","messagePattern":"incoming write was empty","errorType":"validation","errorClass":"Error","httpStatus":null,"severity":"warning","filePath":"influxdb3_write/src/write_buffer/mod.rs","lineNumber":73,"sourceCode":"use object_store::{ObjectMeta, ObjectStore, path::Path as ObjPath};\nuse observability_deps::tracing::{debug, info, trace, warn};\nuse parquet_file::storage::DataSourceExecInput;\nuse queryable_buffer::QueryableBufferArgs;\nuse schema::Schema;\nuse std::{\n    borrow::Borrow,\n    num::{NonZeroU64, NonZeroUsize},\n    sync::Arc,\n    time::Duration,\n};\nuse thiserror::Error;\n\n#[derive(Debug, Error)]\npub enum Error {\n    #[error(\"line protocol parse failed: {}\", .0.error_message)]\n    ParseError(WriteLineError),\n\n    #[error(\"incoming write was empty\")]\n    EmptyWrite,\n\n    #[error(\"column type mismatch for column {name}: existing: {existing:?}, new: {new:?}\")]\n    ColumnTypeMismatch {\n        name: String,\n        existing: ColumnType,\n        new: ColumnType,\n    },\n\n    #[error(\"catalog update error: {0}\")]\n    CatalogUpdateError(#[from] CatalogError),\n\n    #[error(\"error from persister: {0}\")]\n    PersisterError(#[from] PersisterError),\n\n    #[error(\"corrupt load state: {0}\")]\n    CorruptLoadState(String),\n","sourceCodeStart":55,"sourceCodeEnd":91,"githubUrl":"https://github.com/influxdata/influxdb/blob/06200ef96ba82c5f6727e5038a83af8e722c6875/influxdb3_write/src/write_buffer/mod.rs#L55-L91","documentation":"write_buffer::Error::EmptyWrite is returned when an incoming write request contains no data — an empty line-protocol payload or zero points. The write buffer rejects it rather than performing a no-op, so callers can detect client-side bugs (e.g. serialization producing empty output).","triggerScenarios":"Calling write_lp / write APIs with an empty string, a string containing only newlines/whitespace, or a points list that serialized to nothing.","commonSituations":"Data-collection pipeline upstream failing silently so the exporter sends empty batches; client serializing an empty Vec<Point> to an empty body; trimming/aggregation logic that filters out all points; misconfigured buffer flush sending an empty payload on shutdown.","solutions":["Check the payload at the call site — if it is empty, skip the write instead of issuing the request.","Instrument the upstream producer to alert when it generates zero points for a batch.","If empty writes should be legal no-ops in your integration, guard the call before invoking the buffer.","Fix serialization bugs that drop all points (e.g. wrong field names so the encoder emits nothing)."],"exampleFix":"// before\nbuffer.write_lp(payload).await?;\n// after\nif !payload.trim().is_empty() {\n  buffer.write_lp(payload).await?;\n}","handlingStrategy":"validation","validationCode":"// Rust: guard before calling the write buffer\nif payload.trim().is_empty() {\n  return Ok(WriteSummary::empty()); // no-op instead of an error round-trip\n}","typeGuard":"fn is_empty_write(e: &write_buffer::Error) -> bool {\n  matches!(e, write_buffer::Error::EmptyWrite)\n}","tryCatchPattern":"match buffer.write_lp(payload).await {\n  Err(write_buffer::Error::EmptyWrite) => {\n    debug!(\"empty batch skipped\");\n    Ok(default_ack)\n  }\n  other => other,\n}","preventionTips":["Skip no-op writes client-side when the batch serializes to empty output.","Alert on upstream producers that emit zero points per interval.","Check filters/aggregations that may drop every point in a window.","Trim whitespace-only payloads before sending."],"tags":["empty-input","write","influxdb3","validation"],"backgroundTag":"empty-required-field","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"}