{"record":{"id":"2410c6e63ef70987","repo":"alibaba/nacos","slug":"400-2410c6","errorCode":"400","errorMessage":"properties is null","messagePattern":"properties is null","errorType":"exception","errorClass":"NacosException","httpStatus":null,"severity":"error","filePath":"maintainer-client/src/main/java/com/alibaba/nacos/maintainer/client/ai/AiMaintainerFactory.java","lineNumber":40,"sourceCode":"\n/**\n * Nacos AI maintainer service.\n *\n * @author Nacos\n */\npublic class AiMaintainerFactory {\n    \n    /**\n     * create AI maintainer service.\n     *\n     * @param properties properties\n     * @return naming maintainer service\n     * @throws NacosException nacos exception\n     */\n    public static AiMaintainerService createAiMaintainerService(Properties properties)\n        throws NacosException {\n        if (properties == null) {\n            throw new NacosException(NacosException.INVALID_PARAM, \"properties is null\");\n        }\n        return new NacosAiMaintainerServiceImpl(properties);\n    }\n}\n","sourceCodeStart":22,"sourceCodeEnd":45,"githubUrl":"https://github.com/alibaba/nacos/blob/9b989acdf181d00898f2e8839257bb2b2a3cefe3/maintainer-client/src/main/java/com/alibaba/nacos/maintainer/client/ai/AiMaintainerFactory.java#L22-L45","documentation":"Error \"properties is null\" thrown in alibaba/nacos.","triggerScenarios":"Thrown at maintainer-client/src/main/java/com/alibaba/nacos/maintainer/client/ai/AiMaintainerFactory.java:40 when the library encounters an invalid state.","commonSituations":"Creating the AI maintainer factory with null properties.","solutions":["Provide a non-null value for ai maintainer properties null before invoking this operation."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"9b989acdf181d00898f2e8839257bb2b2a3cefe3","analyzedAt":"2026-08-14T07:17:31.569Z","schemaVersion":2},"datasetVersion":"2026-08-14T10:17:34.591Z"}