{"record":{"id":"cd96f4ba64857bc3","repo":"juicedata/juicefs","slug":"resolve-path-s-s","errorCode":null,"errorMessage":"resolve path %s: %s","messagePattern":"resolve path (.+?): (.+?)","errorType":"error_code","errorClass":null,"httpStatus":null,"severity":"error","filePath":"pkg/sync/cluster.go","lineNumber":360,"sourceCode":"\tif !strings.Contains(addr, \":\") {\n\t\taddr += \":\"\n\t}\n\n\tl, err := net.Listen(\"tcp\", addr)\n\tif err != nil {\n\t\treturn \"\", fmt.Errorf(\"listen: %s\", err)\n\t}\n\tlogger.Infof(\"Listen at %s\", l.Addr())\n\tgo func() { _ = http.Serve(l, mux) }()\n\treturn l.Addr().String(), nil\n}\n\nfunc findSelfPath() (string, error) {\n\tprogram := os.Args[0]\n\tif strings.Contains(program, \"/\") {\n\t\tpath, err := filepath.Abs(program)\n\t\tif err != nil {\n\t\t\treturn \"\", fmt.Errorf(\"resolve path %s: %s\", program, err)\n\t\t}\n\t\treturn path, nil\n\t}\n\tfor _, searchPath := range strings.Split(os.Getenv(\"PATH\"), \":\") {\n\t\tif searchPath != \"\" {\n\t\t\tp := filepath.Join(searchPath, program)\n\t\t\tif _, err := os.Stat(p); err == nil {\n\t\t\t\treturn p, nil\n\t\t\t}\n\t\t}\n\t}\n\treturn \"\", fmt.Errorf(\"can't find path for %s\", program)\n}\n\nfunc prepareWorkerCommand(host, address, path string, config *Config) ([]string, []byte, error) {\n\tworkerArgs := append([]string(nil), os.Args[1:]...)\n\tvar foundSource, foundDestination bool\n\tfor i, arg := range workerArgs {","sourceCodeStart":342,"sourceCodeEnd":378,"githubUrl":"https://github.com/juicedata/juicefs/blob/c9a67b23e8e08ec23ec331aa6f1675e2319e921c/pkg/sync/cluster.go#L342-L378","documentation":"findSelfPath determines the absolute path of the running juicefs binary so the manager can ship it to workers. When os.Args[0] contains '/', it resolves it with filepath.Abs; this error wraps a failure of that resolution (rare; e.g. issues constructing the absolute path). Worker startup cannot proceed without the binary path.","triggerScenarios":"startManager (via prepareWorkerCommand) calls findSelfPath while os.Args[0] contains '/' and filepath.Abs(program) returns an error — practically only when the program name is malformed/empty beyond a separator or an unusual OS-level path resolution failure occurs.","commonSituations":"Launching the binary through exotic wrappers that mangle argv[0]; running with a manipulated os.Args; chroot environments where the path cannot be resolved.","solutions":["Invoke juicefs via a normal absolute or relative path (e.g. /usr/local/bin/juicefs) so filepath.Abs can resolve it","Check how the process is launched (scripts, containers) for a mangled argv[0]","As a workaround, place the binary in PATH so findSelfPath uses the PATH search branch instead"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"path, err := findSelfPath()\nif err != nil {\n\t// fall back to a known install location\n\tpath = \"/usr/local/bin/juicefs\"\n}","preventionTips":["Launch juicefs via a normal absolute or relative file path","Avoid wrappers that rewrite argv[0]","Keep a known-good install path as fallback for worker distribution"],"tags":["filesystem","path-resolution","distributed-sync"],"backgroundTag":"file-not-found","analyzedSha":"c9a67b23e8e08ec23ec331aa6f1675e2319e921c","analyzedAt":"2026-09-06T17:55:48.476Z","contentChangedAt":"2026-09-06T17:55:48.476Z","schemaVersion":2},"datasetVersion":"2026-09-14T00:17:10.932Z"}