{"record":{"id":"67dd16512b92cac8","repo":"influxdata/influxdb","slug":"deserialize-error-0","errorCode":null,"errorMessage":"deserialize error: {0}","messagePattern":"deserialize error: (.+?)","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"influxdb3_wal/src/lib.rs","lineNumber":43,"sourceCode":"use std::cmp::Ordering;\nuse std::fmt::Debug;\nuse std::hash::BuildHasherDefault;\nuse std::str::FromStr;\nuse std::sync::Arc;\nuse std::time::Duration;\nuse std::{any::Any, num::ParseIntError};\nuse thiserror::Error;\nuse tokio::sync::{OwnedSemaphorePermit, oneshot};\n\n#[derive(Debug, Error)]\npub enum Error {\n    #[error(\"wal buffer full with {0} ops\")]\n    BufferFull(usize),\n\n    #[error(\"error writing wal file: {0}\")]\n    WriteError(String),\n\n    #[error(\"deserialize error: {0}\")]\n    Serialize(#[from] crate::serialize::Error),\n\n    #[error(\"join error: {0}\")]\n    Join(#[from] tokio::task::JoinError),\n\n    #[error(\"object store error: {0}\")]\n    ObjectStoreError(#[from] ::object_store::Error),\n\n    #[error(\"wal is shutdown and not accepting writes\")]\n    Shutdown,\n\n    #[error(\"invalid gen1 duration {0}. Must be one of 1m, 5m, 10m\")]\n    InvalidGen1Duration(String),\n\n    #[error(\"invalid WAL file path\")]\n    InvalidWalFilePath,\n}\n","sourceCodeStart":25,"sourceCodeEnd":61,"githubUrl":"https://github.com/influxdata/influxdb/blob/06200ef96ba82c5f6727e5038a83af8e722c6875/influxdb3_wal/src/lib.rs#L25-L61","documentation":"Error::Serialize in influxdb3_wal wraps crate::serialize::Error (via #[from]) and is reported as \"deserialize error\" — it surfaces failures deserializing WAL entries, e.g. when reading/replaying WAL buffers or persisted WAL files whose payload cannot be decoded.","triggerScenarios":"Deserializing a WAL operation from its serialized form (flatbuffers/protobuf payload) during buffer read or WAL replay when the bytes are corrupt, truncated, or produced by an incompatible serializer version.","commonSituations":"Crash/corruption leaving a partial WAL record on disk, version skew after an upgrade replaying old WAL files, hand-crafted or bit-flipped buffer payloads.","solutions":["Identify and truncate/quarantine the corrupt WAL segment, then restart so replay skips it","Ensure the software version matches the WAL files' writer version before replay","Check the inner serialize::Error for the exact decode failure and fix the producer"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"match result {\n    Ok(v) => v,\n    Err(Error::Serialize(src)) => { log::error!(\"WAL entry decode failed: {}\", src); /* quarantine corrupt segment */ },\n    Err(e) => return Err(e),\n}","preventionTips":["Keep writer and reader versions compatible across upgrades","Enable checksum validation of WAL files","Back up WAL directory before upgrades"],"tags":["wal","serialization","deserialization","rust"],"backgroundTag":"protobuf-unmarshal-failed","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"}