alibaba/nacos · error · NacosApiException

400

400

Error message

[pluginId={pluginId}, operation={operationType}] {validationErrorMessage}

What it means

Error "[pluginId={pluginId}, operation={operationType}] {validationErrorMessage}" thrown in alibaba/nacos.

Source

Thrown at core/src/main/java/com/alibaba/nacos/core/plugin/sync/RaftPluginStateSynchronizer.java:107

    
    private void submitToRaft(PluginStateOperation operation) throws NacosApiException {
        try {
            CPProtocol cpProtocol = consensusService.getProtocol();
            byte[] data = serializer.serialize(operation);
            
            WriteRequest request = WriteRequest.newBuilder()
                .setGroup(PLUGIN_STATE_GROUP)
                .setData(ByteString.copyFrom(data))
                .setOperation(DataOperation.CHANGE.name())
                .build();
            
            Response response = cpProtocol.write(request);
            if (!response.getSuccess()) {
                if (response.getErrMsg().startsWith(
                    PluginStateOperation.INVALID_PARAM_ERROR_PREFIX)) {
                    String message = response.getErrMsg().substring(
                        PluginStateOperation.INVALID_PARAM_ERROR_PREFIX.length());
                    throw new NacosApiException(NacosException.INVALID_PARAM,
                        ErrorCode.PARAMETER_VALIDATE_ERROR, message);
                }
                if (response.getErrMsg().startsWith(
                    PluginStateOperation.CONFIG_APPLY_ERROR_PREFIX)) {
                    String message = response.getErrMsg().substring(
                        PluginStateOperation.CONFIG_APPLY_ERROR_PREFIX.length());
                    throw new NacosApiException(NacosException.SERVER_ERROR,
                        ErrorCode.SERVER_ERROR, message);
                }
                throw new NacosApiException(NacosException.SERVER_ERROR, ErrorCode.SERVER_ERROR,
                    "Failed to submit plugin state to Raft: " + response.getErrMsg());
            }
        } catch (Exception e) {
            if (e instanceof NacosApiException) {
                throw (NacosApiException) e;
            }
            throw new NacosApiException(NacosException.SERVER_ERROR, ErrorCode.SERVER_ERROR, e,
                "Failed to submit plugin state to Raft");

View on GitHub (pinned to 9b989acdf1)

Solutions

1. Inspect the server logs for the underlying cause, fix it, and retry the operation.

When it happens

Trigger: Thrown at core/src/main/java/com/alibaba/nacos/core/plugin/sync/RaftPluginStateSynchronizer.java:107 when the library encounters an invalid state.

Common situations: A plugin state synchronization operation failed validation.

AI-assisted analysis of alibaba/nacos@9b989acdf1 (2026-08-14). Data as JSON: /api/errors/224bb5b80f471109. Report an issue: GitHub.