{"record":{"id":"d21ec05ebeaf210e","repo":"bevyengine/bevy","slug":"filewatcher-get-asset-path-failed-to-strip-pref","errorCode":null,"errorMessage":"FileWatcher::get_asset_path() failed to strip prefix from absolute path: absolute_path={}, root={}","messagePattern":"FileWatcher::get_asset_path\\(\\) failed to strip prefix from absolute path: absolute_path=(.+?), root=(.+?)","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"error","filePath":"crates/bevy_asset/src/io/file/file_watcher.rs","lineNumber":64,"sourceCode":"            },\n        )?;\n        Ok(FileWatcher { _watcher: watcher })\n    }\n}\n\nimpl AssetWatcher for FileWatcher {}\n\n/// Converts the provided path into an absolute one.\nfn make_absolute_path(path: &Path) -> Result<PathBuf, std::io::Error> {\n    // We use `normalize` + `absolute` instead of `canonicalize` to avoid reading the filesystem to\n    // resolve the path. This also means that paths that no longer exist can still become absolute\n    // (e.g., a file that was renamed will have the \"old\" path no longer exist).\n    Ok(normalize_path(&std::path::absolute(path)?))\n}\n\npub(crate) fn get_asset_path(root: &Path, absolute_path: &Path) -> (PathBuf, bool) {\n    let relative_path = absolute_path.strip_prefix(root).unwrap_or_else(|_| {\n        panic!(\n            \"FileWatcher::get_asset_path() failed to strip prefix from absolute path: absolute_path={}, root={}\",\n            absolute_path.display(),\n            root.display()\n        )\n    });\n    let is_meta = relative_path.extension().is_some_and(|e| e == \"meta\");\n    let asset_path = if is_meta {\n        relative_path.with_extension(\"\")\n    } else {\n        relative_path.to_owned()\n    };\n    (asset_path, is_meta)\n}\n\n/// This is a bit more abstracted than it normally would be because we want to try _very hard_ not to duplicate this\n/// event management logic across filesystem-driven [`AssetWatcher`] impls. Each operating system / platform behaves\n/// a little differently and this is the result of a delicate balancing act that we should only perform once.\npub(crate) fn new_asset_event_debouncer(","sourceCodeStart":46,"sourceCodeEnd":82,"githubUrl":"https://github.com/bevyengine/bevy/blob/396ca727080776bd313bb892423b7d94e03b81b4/crates/bevy_asset/src/io/file/file_watcher.rs#L46-L82","documentation":"Panics in FileWatcher::get_asset_path when Path::strip_prefix fails: the absolute path of a changed file is not located under the watcher's root directory. Without a relative remainder there is no asset path to report, so the watcher cannot map the filesystem event to an asset.","triggerScenarios":"Thrown at crates/bevy_asset/src/io/file/file_watcher.rs:64 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Ensure the watched root passed to FileWatcher::new actually contains the assets being watched","Watch the correct asset source directory (e.g. the assets/ folder configured for the app)","Avoid symlinked or remapped paths that make changed files fall outside the watcher root"],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"396ca727080776bd313bb892423b7d94e03b81b4","analyzedAt":"2026-08-20T16:12:39.808Z","contentChangedAt":"2026-08-20T16:12:39.808Z","schemaVersion":2},"datasetVersion":"2026-09-14T00:17:10.932Z"}