{"resultCode":"-1","resultMesg":"系统异常, 请联系系统管理员","data":{"exceptionName":"MyBatisSystemException","errorMessage":"nested exception is org.apache.ibatis.exceptions.PersistenceException: \r\n### Error querying database.  Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLTransientConnectionException: DatebookHikariCP - Connection is not available, request timed out after 30007ms.\r\n### The error may exist in class path resource [mapper/frontend/industry/IndustryInfoMapper.xml]\r\n### The error may involve com.tuiguangzhijia.tgjshang66.frontend.industry.mapper.IndustryInfoMapper.queryIndustryInfoByLevel\r\n### The error occurred while executing a query\r\n### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLTransientConnectionException: DatebookHikariCP - Connection is not available, request timed out after 30007ms.","stackTrace":null}}