alibaba/nacos · error · IllegalArgumentException

Plugin config source is not runtime updatable: {sourceType}

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.

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)

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.