public AgentConfigInfo getAgentConfigInfo() {
        LOGGER.info("Get agent config info");
        String resultStr = httpManager.doSentPost(agentConfigInfoUrl, getAgentConfigInfoRequest());
        LOGGER.info("Url to get agent config agentConfigInfoUrl {}", agentConfigInfoUrl);
        JsonObject resultData = getResultData(resultStr);
        JsonElement element = resultData.get(AGENT_MANAGER_RETURN_PARAM_DATA);
        LOGGER.info("Get agent config end");
        if (element != null) {
            LOGGER.info("Get agent config not null {}", resultData);
            return GSON.fromJson(element.getAsJsonObject(), AgentConfigInfo.class);
        } else {
            LOGGER.info("Get agent config nothing to do");
            return null;
        }
    }
Request manager to get config, make sure it is not throwing exceptions
inlong-agent/agent-plugins/src/main/java/org/apache/inlong/agent/plugin/fetcher/ManagerFetcher.java