{"record":{"id":"8499cd6c98239abb","repo":"googleapis/mcp-toolbox","slug":"cannot-resolve-path-q-w","errorCode":null,"errorMessage":"cannot resolve path %q: %w","messagePattern":"cannot resolve path %q: %w","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/tools/cloudstorage/cloudstoragecommon/paths.go","lineNumber":81,"sourceCode":"// download destination) are resolved as deeply as the filesystem allows, and\n// the missing components are appended literally.\n//\n// A component that exists as a symbolic link but does not resolve — a dangling\n// link — is rejected rather than treated as a missing name. Creating a file at\n// such a path follows the link, so accepting it on the strength of its literal\n// name would reopen the very escape this function exists to close.\n//\n// The returned path reflects the filesystem as it was during the walk, so a\n// caller that opens the path afterwards is still racing anyone able to write\n// into the directories it traverses. Hard links are not detectable here at all.\n// Both remain the operator's to contain with OS permissions.\nfunc ResolveSymlinks(path string) (string, error) {\n\tresolved, err := filepath.EvalSymlinks(path)\n\tif err == nil {\n\t\treturn resolved, nil\n\t}\n\tif !errors.Is(err, fs.ErrNotExist) {\n\t\treturn \"\", fmt.Errorf(\"cannot resolve path %q: %w\", path, err)\n\t}\n\n\t// Walk up to the deepest ancestor that does resolve, remembering the\n\t// components we stepped over so they can be reattached to it.\n\tvar missing []string\n\tcur := path\n\tfor {\n\t\tif fi, lerr := os.Lstat(cur); lerr == nil && fi.Mode()&fs.ModeSymlink != 0 {\n\t\t\treturn \"\", fmt.Errorf(\"path %q traverses unresolvable symbolic link %q\", path, cur)\n\t\t}\n\t\tparent := filepath.Dir(cur)\n\t\tif parent == cur {\n\t\t\treturn \"\", fmt.Errorf(\"cannot resolve path %q: no existing ancestor\", path)\n\t\t}\n\t\tmissing = append([]string{filepath.Base(cur)}, missing...)\n\t\tcur = parent\n\n\t\tresolvedParent, perr := filepath.EvalSymlinks(cur)","sourceCodeStart":63,"sourceCodeEnd":99,"githubUrl":"https://github.com/googleapis/mcp-toolbox/blob/8cc6e09de2ad7b8bffc77751799585a1401a48eb/internal/tools/cloudstorage/cloudstoragecommon/paths.go#L63-L99","documentation":"ResolveSymlinks' call to filepath.EvalSymlinks failed with an error other than not-exist (e.g. permission denied on a traversed directory) — the path's symlink chain cannot be resolved to verify it stays within bounds.","triggerScenarios":"Thrown at internal/tools/cloudstorage/cloudstoragecommon/paths.go:81 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Check OS permissions on the directories in the path","Remove or fix broken filesystem entries along the path","Inspect the wrapped error for the exact syscall failure"],"exampleFix":null,"handlingStrategy":"fallback","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"8cc6e09de2ad7b8bffc77751799585a1401a48eb","analyzedAt":"2026-09-05T01:10:36.887Z","contentChangedAt":"2026-09-05T01:10:36.887Z","schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}