alibaba/nacos · error · NacosApiException
20004
20004
Error message
Config not exist, please publish Config first.
What it means
Error "Config not exist, please publish Config first." thrown in alibaba/nacos.
Source
Thrown at config/src/main/java/com/alibaba/nacos/config/server/controller/v3/ConfigControllerV3.java:172
/**
* Query configuration.
*/
@Since("3.0.0")
@GetMapping
@TpsControl(pointName = "ConfigQuery")
@Secured(action = ActionTypes.READ, signType = SignType.CONFIG, apiType = ApiType.ADMIN_API)
public Result<ConfigDetailInfo> getConfig(ConfigFormV3 configForm) throws NacosException {
configForm.validate();
// check namespaceId
String namespaceId = NamespaceUtil.processNamespaceParameter(configForm.getNamespaceId());
// check params
String dataId = configForm.getDataId();
String groupName = configForm.getGroupName();
ConfigAllInfo configAllInfo =
configInfoPersistService.findConfigAllInfo(dataId, groupName, namespaceId);
if (Objects.isNull(configAllInfo)) {
throw new NacosApiException(NacosException.NOT_FOUND, ErrorCode.RESOURCE_NOT_FOUND,
"Config not exist, please publish Config first.");
}
// decrypted
String encryptedDataKey = configAllInfo.getEncryptedDataKey();
Pair<String, String> pair = EncryptionHandler.decryptHandler(dataId, encryptedDataKey,
configAllInfo.getContent());
configAllInfo.setContent(pair.getSecond());
ConfigDetailInfo result = ResponseUtil.transferToConfigDetailInfo(configAllInfo);
return Result.success(result);
}
/**
* Publish configuration.
*/
@Since("3.0.0")
@PostMapping
@TpsControl(pointName = "ConfigPublish")
@Secured(action = ActionTypes.WRITE, signType = SignType.CONFIG, apiType = ApiType.ADMIN_API)View on GitHub (pinned to 9b989acdf1)
Solutions
- Verify the resource identifiers (namespace, name, version) and that the resource exists before retrying.
When it happens
Trigger: Thrown at config/src/main/java/com/alibaba/nacos/config/server/controller/v3/ConfigControllerV3.java:172 when the library encounters an invalid state.
Common situations: Operating on a config that has never been published.
AI-assisted analysis of alibaba/nacos@9b989acdf1 (2026-08-14).
Data as JSON: /api/errors/6bfbb2c6b6fd390b.
Report an issue: GitHub.