influxdata/influxdb · error · TableIndexError
Failed to parse table index path from object store path
Error message
Failed to parse table index path from object store path
What it means
TableIndexError::TableIndexPath is raised when an object_store::path::Path retrieved from a list operation cannot be parsed into the crate's typed TableIndexPath. The library parses raw object store paths back into structured paths to recover database/table identifiers; a parse failure means the object store contains a path that does not conform to the expected layout. It wraps a crate::paths::PathError.
Solutions
- Inspect the offending object store path from the wrapped PathError and compare against the expected index path layout.
- Remove or relocate foreign/legacy objects that don't match the current path schema.
- Check the InfluxDB 3 version that wrote the objects; upgrade/migrate data if paths come from an incompatible schema.
- Ensure any custom object store prefix configuration matches between writer and reader processes.
Example fix
// before: fail hard on every listed object
let typed = TableIndexPath::from_object_store_path(&path)?;
// after: skip unparsable objects with a warning
match TableIndexPath::from_object_store_path(&path) {
Ok(typed) => handle(typed),
Err(e) => warn!(?path, %e, "skipping unrecognized object in index prefix"),
} Defensive patterns
Strategy: fallback
Validate before calling
fn looks_like_index_path(p: &object_store::path::Path) -> bool {
let segs: Vec<_> = p.as_ref().split('/').collect();
segs.len() >= 4 && segs.contains(&"db") && segs.contains(&"table")
} Try / catch
match TableIndexPath::from_object_store_path(&raw) {
Ok(typed) => use(typed),
Err(TableIndexError::TableIndexPath(e)) => {
warn!(%e, path=%raw, "skipping unrecognized index object");
continue;
}
Err(e) => return Err(e),
} Prevention
- Keep writer and reader on compatible InfluxDB 3 versions.
- Don't place foreign objects in the index prefix; use a dedicated bucket/prefix.
- After version migrations, re-scan and migrate legacy path layouts.
- Alert on parse failures so schema skew is caught early.
When it happens
Trigger: Listing objects under the index prefix and calling TableIndexPath::from_object_store_path on a returned path whose segments do not match the expected ".../db/<db_id>/table/<table_id>/index..." structure.
Common situations: Manually copied or legacy-format objects in the bucket from an older InfluxDB 3 version; hand-created or foreign files placed in the index prefix; truncated path segments from a partially failed write or manual deletion.
Understand the failure class
Background: "Invalid ... format", "must be in format X", "does not look like a ..." — invalid argument format errors across CLI tools and libraries — this error's family across 17 libraries.
- Parsing and encoding errors: unexpected token, malformed input — why parsers reject input and how to find the real culprit.
Related errors
- Failed to parse snapshot info file path
- Failed to parse table index path from object store path
- Failed to parse table index snapshot path from object store…
- Failed to parse table index snapshot path from object store…
- Failed to create table index from object store
AI-assisted analysis of influxdata/influxdb@06200ef96b (2026-09-19).
Data as JSON: /api/errors/0ff557538fe360a9.
Report an issue: GitHub.
Appendix: source
Thrown at influxdb3_write/src/table_index.rs:55
#[error("Failed to load table index snapshot from object store")]
LoadSnapshot(#[source] object_store::Error),
#[error("Failed to deserialize table index snapshot")]
DeserializeSnapshot(#[source] serde_json::Error),
#[error("Failed to persist table index to object store")]
PersistIndex(#[source] object_store::Error),
#[error("Failed to delete table index snapshot from object store")]
DeleteSnapshot(#[source] object_store::Error),
#[error("Cannot merge table indices with mismatched identifiers: {expected} != {actual}")]
MergeMismatch {
expected: TableIndexId,
actual: TableIndexId,
},
#[error("Failed to parse table index path from object store path")]
TableIndexPath(#[source] crate::paths::PathError),
#[error("Failed to parse table index snapshot path from object store path")]
TableIndexSnapshotPath(#[source] crate::paths::PathError),
#[error("Failed to update table index: join task failed")]
UpdateTaskFailed(#[source] tokio::task::JoinError),
#[error("Object meta is missing filename")]
MissingFilename,
#[error("Failed to parse snapshot sequence number from filename")]
InvalidSnapshotSequenceNumber,
#[error("Table snapshot persistence task failed")]
TableSnapshotPersistenceTaskFailed(#[source] tokio::task::JoinError),
#[error("Unexpected error")]View on GitHub (pinned to 06200ef96b)