alibaba/nacos · error · PluginPersistenceException

Runtime persisted plugin config source is unavailable

Error message

Runtime persisted plugin config source is unavailable

What it means

Error "Runtime persisted plugin config source is unavailable" thrown in alibaba/nacos.

Source

Thrown at core/src/main/java/com/alibaba/nacos/core/plugin/config/PluginConfigService.java:76

        this.resolver = resolver;
        this.checker = checker;
        this.applier = applier;
    }
    
    /**
     * Normalize and validate a runtime update before local apply or cluster synchronization.
     *
     * @param pluginInfo plugin info
     * @param config input full override map
     * @param sourceType target runtime source
     * @return normalized full override map
     */
    public Map<String, String> prepareRuntimeUpdate(PluginInfo pluginInfo,
        Map<String, String> config, PluginConfigSourceType sourceType) {
        validateRuntimeSource(sourceType);
        if (PluginConfigSourceType.RUNTIME_PERSISTED == sourceType
            && !resolver.isRuntimePersistedSourceAvailable()) {
            throw new PluginPersistenceException(
                "Runtime persisted plugin config source is unavailable");
        }
        synchronized (getPluginLock(pluginInfo.getPluginId())) {
            Map<String, String> normalizedConfig = normalizeConfig(pluginInfo, config);
            Map<String, String> preparedConfig = preserveMaskedSensitiveValues(pluginInfo,
                normalizedConfig, sourceType);
            validateRuntimeUpdate(pluginInfo, preparedConfig, sourceType);
            return preparedConfig;
        }
    }
    
    /**
     * Load the complete runtime persisted source during startup.
     */
    public void initializeRuntimePersistedConfigs() {
        resolver.initializeRuntimePersistedConfigs();
    }
    

View on GitHub (pinned to 9b989acdf1)

Solutions

1. Check the server/plugin configuration and enable the required module or use a supported alternative.

When it happens

Trigger: Thrown at core/src/main/java/com/alibaba/nacos/core/plugin/config/PluginConfigService.java:76 when the library encounters an invalid state.

Common situations: The runtime persisted plugin config source is not available.

AI-assisted analysis of alibaba/nacos@9b989acdf1 (2026-08-14). Data as JSON: /api/errors/f65de7eaac598080. Report an issue: GitHub.