{"record":{"id":"7d731bd6fb2262f3","repo":"hashicorp/nomad","slug":"unable-to-parse-configured-address-v-7d731b","errorCode":null,"errorMessage":"Unable to parse configured address: %v","messagePattern":"Unable to parse configured address: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"command/operator_api.go","lineNumber":463,"sourceCode":"\t\t\t// identified a valid scheme.\n\t\t\tif confURL.Scheme == \"http\" || confURL.Scheme == \"https\" {\n\t\t\t\tscheme = confURL.Scheme\n\t\t\t}\n\t\t}\n\n\t\tpath = fmt.Sprintf(\"%s://%s\", scheme, path)\n\t}\n\n\tu, err := url.Parse(path)\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\n\t// If URL.Host is empty, use defaults from client config.\n\tif u.Host == \"\" {\n\t\tconfURL, err := url.Parse(config.Address)\n\t\tif err != nil {\n\t\t\treturn nil, fmt.Errorf(\"Unable to parse configured address: %v\", err)\n\t\t}\n\t\tu.Host = confURL.Host\n\t}\n\n\treturn u, nil\n}\n\n// headerFlags is a flag.Value implementation for collecting multiple -H flags.\ntype headerFlags struct {\n\theaders http.Header\n}\n\nfunc newHeaderFlags() *headerFlags {\n\treturn &headerFlags{\n\t\theaders: make(http.Header),\n\t}\n}\n","sourceCodeStart":445,"sourceCodeEnd":481,"githubUrl":"https://github.com/hashicorp/nomad/blob/482b49bf1aec006f089bcfc7e632d8f6ac303e5e/command/operator_api.go#L445-L481","documentation":"Later in pathToURL, when the constructed URL has an empty Host, the function falls back to parsing config.Address to borrow its host (and port). If that url.Parse call fails, it returns \"Unable to parse configured address: %v\" (note the capital U — distinct from the lowercase variant at line 441, which handles the scheme-overwrite path).","triggerScenarios":"`nomad operator api ...` where the assembled request URL has no host (e.g. only a path was given and no -address-derived host applied) and config.Address itself fails url.Parse.","commonSituations":"Same root causes as the lowercase variant: corrupted NOMAD_ADDR, shell variable interpolation errors, malformed addresses in client config files, control characters introduced by copy-paste.","solutions":["Set NOMAD_ADDR to a valid, complete URL: http://127.0.0.1:4646.","Pass a valid -address value explicitly for this command.","Audit client config files for malformed address entries.","Provide the full URL as the path argument (http://host:port/v1/...) so Host is non-empty."],"exampleFix":"// before (shell)\nNOMAD_ADDR=\"$HTTP_ENDPOINT\" nomad operator api /v1/nodes   # variable empty/garbled\n// after\nNOMAD_ADDR=\"http://127.0.0.1:4646\" nomad operator api /v1/nodes","handlingStrategy":"validation","validationCode":"// shell: guarantee a usable host is configured\n: \"${NOMAD_ADDR:=http://127.0.0.1:4646}\"\ncase \"$NOMAD_ADDR\" in http://*|https://*) : ;; *) echo \"bad NOMAD_ADDR\"; exit 1 ;; esac","typeGuard":null,"tryCatchPattern":"// bash\nif ! out=$(nomad operator api \"$API_PATH\" 2>&1); then\n  case \"$out\" in *\"Unable to parse configured address\"*) echo \"NOMAD_ADDR invalid: $NOMAD_ADDR\" ;; esac\nfi","preventionTips":["Always export a complete, valid NOMAD_ADDR including scheme and port.","Default the address in scripts (: ${NOMAD_ADDR:=http://127.0.0.1:4646}).","Pass the full URL as the operator api argument so Host is never empty."],"tags":["cli","nomad","url-parsing","configuration"],"backgroundTag":"invalid-url","analyzedSha":"482b49bf1aec006f089bcfc7e632d8f6ac303e5e","analyzedAt":"2026-09-04T07:54:14.808Z","contentChangedAt":"2026-09-04T07:54:14.808Z","schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}