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Failed to plan files: Invalid: Expected a local filesystem path, got a URI in PlanFiles() call in demo_example.cc #341
Description
There is a "file:" prefix getting appended to the avro file path which leads to this error inside arrow localfs.cc (RETURN_NOT_OK(ValidatePath(path));) while running demo_example.cc on WIndows while making the PlanFiles() call.
iceberg-reader.exe "C:\iceberg_warehouse\db" sample "C:\iceberg_warehouse\db\sample\metadata\v5.metadata.json"
Failed to plan files: Invalid: Expected a local filesystem path, got a URI: 'file:/C:/iceberg_warehouse/db/sample/metadata/snap-4130091257426129961-1-0b7261a2-d123-4635-82a6-0a5a30e19a06.avro'
Activity
wgtmac commentedon Nov 25, 2025
Could you please check if
C:\iceberg_warehouse\db\sample\metadata\v5.metadata.jsonhas usedfile:/C:/iceberg_warehouse/db/sample/metadata/snap-4130091257426129961-1-0b7261a2-d123-4635-82a6-0a5a30e19a06.avroas the manifest list file location? I suspect that the Arrow local filesystem implementation does not handlefile:/prefix well.yadavay-amzn commentedon Jul 6, 2026
I would like to work on this. Plan: correct the file-path handling in PlanFiles() so local/Windows paths are not mis-parsed as URIs, and add a regression test covering the Windows path case. Will disclose AI-assisted authoring in the PR per the Iceberg AI-contribution guidelines.
Fix URI-vs-path handling in PlanFiles() for local/Windows paths (apac…
Make file-URI tests cross-platform (fix Windows CI) (apache#341)
Extract shared IsUriScheme helper; use std::ranges::replace (apache#341)
Clarify colon_pos check in IsUriScheme (apache#341)
Reuse scheme colon position via IsUriScheme out-param (apache#341)