{"record":{"id":"4486b9d955ab3108","repo":"risingwavelabs/risingwave","slug":"other-error-0-4486b9","errorCode":null,"errorMessage":"Other error: {0}","messagePattern":"Other error: (.+?)","errorType":"exception","errorClass":"HummockError","httpStatus":null,"severity":"error","filePath":"src/storage/src/hummock/error.rs","lineNumber":79,"sourceCode":"        read_epoch: u64,\n    },\n    #[error(\"Barrier read is unavailable for now. Likely the cluster is recovering\")]\n    ReadCurrentEpoch,\n    #[error(\"CompactionExecutor error: {0}\")]\n    CompactionExecutor(String),\n    #[error(\"FileCache error: {0}\")]\n    FileCache(String),\n    #[error(\"SstObjectIdTracker error: {0}\")]\n    SstObjectIdTrackerError(String),\n    #[error(\"CompactionGroup error: {0}\")]\n    CompactionGroupError(String),\n    #[error(\"SstableUpload error: {0}\")]\n    SstableUploadError(String),\n    #[error(\"Read backup error: {0}\")]\n    ReadBackupError(String),\n    #[error(\"Foyer error: {0}\")]\n    FoyerError(#[from] foyer::Error),\n    #[error(\"Other error: {0}\")]\n    Other(String),\n}\n\nimpl HummockError {\n    pub fn invalid_format_version(v: u32) -> HummockError {\n        HummockErrorInner::InvalidFormatVersion(v).into()\n    }\n\n    pub fn invalid_block() -> HummockError {\n        HummockErrorInner::InvalidBlock.into()\n    }\n\n    pub fn encode_error(error: impl ToString) -> HummockError {\n        HummockErrorInner::EncodeError(error.to_string()).into()\n    }\n\n    pub fn decode_error(error: impl ToString) -> HummockError {\n        HummockErrorInner::DecodeError(error.to_string()).into()","sourceCodeStart":61,"sourceCodeEnd":97,"githubUrl":"https://github.com/risingwavelabs/risingwave/blob/6469eb736d691e8e9b8a419a57edd6429ca77417/src/storage/src/hummock/error.rs#L61-L97","documentation":"HummockError::Other(String): catch-all variant of the storage-engine error enum for misc failures that do not map to a dedicated variant. It is a generic wrapper carrying the underlying error message, so the actual cause must be read from the embedded string.","triggerScenarios":"Hummock code paths raising ad-hoc errors, e.g. HummockError::other(format!(...)) such as the invalid-iterator-key-range check in src/storage/src/hummock/store/version.rs:1017.","commonSituations":"Internal invariant violations in the storage layer, corrupt iterator inputs, or malformed internal state discovered at runtime.","solutions":["Read the embedded message to identify the specific invariant violated","If it comes from an invalid iter key range, verify the key bounds passed to the iterator","Enable debug builds (cfg!(debug_assertions)) to turn such violations into panics with clearer stack traces","Report to RisingWave maintainers if the invariant should never be violated"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":"fn is_other_hummock_error(e: &HummockError) -> bool {\n    matches!(e, HummockError::Other(_))\n}","tryCatchPattern":"match result {\n    Err(e) if is_other_hummock_error(&e) => {\n        tracing::error!(msg = %e, \"hummock invariant violated\");\n        // escalate: fail the operator / trigger recovery\n    }\n    other => other?,\n}","preventionTips":["Validate iterator ranges and key inputs before Hummock calls","Run debug builds in CI to convert invariant violations into panics with stack traces","Cover key-range and replay logic with unit tests"],"tags":["storage","hummock","internal"],"backgroundTag":"internal-invariant-violation","analyzedSha":"6469eb736d691e8e9b8a419a57edd6429ca77417","analyzedAt":"2026-09-11T21:06:21.487Z","contentChangedAt":"2026-09-11T21:06:21.487Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}