{"code":"-999999","msg":"服务器端异常。nested exception is org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is com.alibaba.druid.pool.GetConnectionTimeoutException: wait millis 6000, active 50, maxActive 50, creating 0, runningSqlCount 18 : SELECT COUNT(*) FROM trade_anno ta WHERE ta.project_type = ? AND ta.anno_type = ? AND ta.create_time < ?runningSqlCount 25 : SELECT anno_type, COUNT(*) num FROM `trade_anno` WHERE project_code = ? GROUP BY anno_typerunningSqlCount 7 : SELECT DISTINCT bid_times FROM (SELECT * FROM trade_anno WHERE project_type = ? AND project_code = ?) ta### The error may exist in com/ruiruan/portalserver/dao/TradeAnnoDao.java (best guess)### The error may involve com.ruiruan.portalserver.dao.TradeAnnoDao.selectById### The error occurred while executing a query### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is com.alibaba.druid.pool.GetConnectionTimeoutException: wait millis 6000, active 50, maxActive 50, creating 0, runningSqlCount 18 : SELECT COUNT(*) FROM trade_anno ta WHERE ta.project_type = ? AND ta.anno_type = ? AND ta.create_time < ?runningSqlCount 25 : SELECT anno_type, COUNT(*) num FROM `trade_anno` WHERE project_code = ? GROUP BY anno_typerunningSqlCount 7 : SELECT DISTINCT bid_times FROM (SELECT * FROM trade_anno WHERE project_type = ? AND project_code = ?) ta","data":null}