alibaba/nacos · error · IllegalArgumentException

Plugin config source is not runtime updatable

Error message

Plugin config source is not runtime updatable: {sourceType}

What it means

Error "Plugin config source is not runtime updatable: {sourceType}" thrown in alibaba/nacos.

Solutions

1. Review the input and runtime state for plugin config source not runtime updatable, correct the reported problem, and retry.

When it happens

Trigger: Thrown at core/src/main/java/com/alibaba/nacos/core/plugin/config/PluginConfigService.java:312 when the library encounters an invalid state.

Common situations: Updating a plugin config source that is not runtime updatable.

AI-assisted analysis of alibaba/nacos@9b989acdf1 (2026-08-14). Data as JSON: /api/errors/8135d63b556c8762. Report an issue: GitHub.

Appendix: source

Thrown at core/src/main/java/com/alibaba/nacos/core/plugin/config/PluginConfigService.java:312

        Map<String, String> configToNormalize = config == null ? Collections.emptyMap() : config;
        if (pluginInfo == null) {
            return copyConfig(configToNormalize);
        }
        return copyConfig(resolver.normalizeConfig(pluginInfo, configToNormalize));
    }
    
    private Map<String, String> copyConfig(Map<String, String> config) {
        return config == null ? new LinkedHashMap<>() : new LinkedHashMap<>(config);
    }
    
    private Object getPluginLock(String pluginId) {
        return pluginLocks.computeIfAbsent(pluginId, key -> new Object());
    }
    
    private void validateRuntimeSource(PluginConfigSourceType sourceType) {
        if (PluginConfigSourceType.RUNTIME_PERSISTED != sourceType
            && PluginConfigSourceType.LOCAL_ONLY != sourceType) {
            throw new IllegalArgumentException("Plugin config source is not runtime updatable: "
                + sourceType);
        }
    }
}

View on GitHub (pinned to 9b989acdf1)