alibaba/nacos · error · IllegalArgumentException

Agent request must not be null

Error message

Agent request must not be null

What it means

Error "Agent request must not be null" thrown in alibaba/nacos.

Source

Thrown at maintainer-client/src/main/java/com/alibaba/nacos/maintainer/client/ai/AgentMaintainerServiceImpl.java:330

        putIfNotNull(result, "status", status);
        return result;
    }
    
    private void putJsonIfNotNull(Map<String, String> params, String key, Object value) {
        if (value != null) {
            params.put(key, JsonUtils.toJson(value));
        }
    }
    
    private void putIfNotNull(Map<String, String> params, String key, String value) {
        if (value != null) {
            params.put(key, value);
        }
    }
    
    private <T> T requireRequest(T request) {
        if (request == null) {
            throw new IllegalArgumentException("Agent request must not be null");
        }
        return request;
    }
}

View on GitHub (pinned to 9b989acdf1)

Solutions

1. Provide a non-null value for agent maintainer request null before invoking this operation.

When it happens

Trigger: Thrown at maintainer-client/src/main/java/com/alibaba/nacos/maintainer/client/ai/AgentMaintainerServiceImpl.java:330 when the library encounters an invalid state.

Common situations: Calling the Agent maintainer API with a null request.

AI-assisted analysis of alibaba/nacos@9b989acdf1 (2026-08-14). Data as JSON: /api/errors/3219da8bc60b57d3. Report an issue: GitHub.