{"record":{"id":"04c2cddd60c54f3e","repo":"multica-ai/multica","slug":"open-s-s-w","errorCode":null,"errorMessage":"open %s %s: %w","messagePattern":"open (.+?) (.+?): %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"server/internal/daemon/execenv/codex_home.go","lineNumber":1032,"sourceCode":"\t}\n\tdefer root.Close()\n\n\tif dir := filepath.Dir(relPath); dir != \".\" {\n\t\tif err := root.MkdirAll(dir, 0o755); err != nil {\n\t\t\treturn fmt.Errorf(\"create %s directory %s: %w\", key, dir, err)\n\t\t}\n\t}\n\tif _, err := root.Lstat(relPath); err == nil {\n\t\tif err := root.Remove(relPath); err != nil {\n\t\t\treturn fmt.Errorf(\"remove stale %s copy %s: %w\", key, relPath, err)\n\t\t}\n\t} else if !os.IsNotExist(err) {\n\t\treturn fmt.Errorf(\"stat %s copy %s: %w\", key, relPath, err)\n\t}\n\n\tin, err := os.Open(src)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"open %s %s: %w\", key, src, err)\n\t}\n\tdefer in.Close()\n\n\tout, err := root.OpenFile(relPath, os.O_WRONLY|os.O_CREATE|os.O_EXCL, 0o644)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"create %s copy %s: %w\", key, relPath, err)\n\t}\n\tdefer out.Close()\n\n\tif _, err := io.Copy(out, in); err != nil {\n\t\treturn fmt.Errorf(\"copy %s %s to %s: %w\", key, src, relPath, err)\n\t}\n\t// Close explicitly so a deferred write-back failure cannot be swallowed; the\n\t// deferred Close then no-ops.\n\tif err := out.Close(); err != nil {\n\t\treturn fmt.Errorf(\"close %s copy %s: %w\", key, relPath, err)\n\t}\n\treturn nil","sourceCodeStart":1014,"sourceCodeEnd":1050,"githubUrl":"https://github.com/multica-ai/multica/blob/2c0912b6ec764b373d44eeea1e80f0d9f11ab417/server/internal/daemon/execenv/codex_home.go#L1014-L1050","documentation":"The source file to copy into the task home (e.g. shared config.toml or auth.json referenced by the config) could not be opened with os.Open. The '%s' key names which config setting supplied the path, so the operator knows what to fix.","triggerScenarios":"A config-referenced path (absolute, ~/-expanded, or shared-home-relative) points to a file that does not exist or is unreadable by the daemon user.","commonSituations":"auth.json or config.toml missing from the shared Codex home; a ~/ path on a host where that file was never created; file owned by another user with mode 600.","solutions":["Create or restore the missing source file named in the error","Fix the path in the Codex config key identified by the error's key field","Adjust ownership/permissions so the daemon user can read it"],"exampleFix":null,"handlingStrategy":"validation","validationCode":"if _, err := os.Stat(src); err != nil {\n\treturn fmt.Errorf(\"config source %s missing: %w\", src, err)\n}","typeGuard":null,"tryCatchPattern":null,"preventionTips":["Pre-flight check all config-referenced paths before task start","Use the error's key field to identify which config setting to fix","Keep the shared Codex home's files readable by the daemon user"],"tags":["filesystem","config","codex"],"backgroundTag":null,"analyzedSha":"2c0912b6ec764b373d44eeea1e80f0d9f11ab417","analyzedAt":"2026-08-15T13:25:18.241Z","schemaVersion":2},"datasetVersion":"2026-08-15T17:31:12.345Z"}