{"code":"-999999","msg":"服務器端異常。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, createErrorCount 349, runningSqlCount 38 : SELECT COUNT(*) FROM trade_anno ta WHERE ta.project_type = ? AND ta.anno_type = ? AND ta.create_time < ?runningSqlCount 3 : SELECT anno_type, COUNT(*) num FROM `trade_anno` WHERE project_code = ? GROUP BY anno_typerunningSqlCount 1 : SELECT DISTINCT bid_times FROM (SELECT * FROM trade_anno WHERE project_type = ? AND project_code = ?) tarunningSqlCount 3 : select ta.id, ta.title, ta.anno_type, ta.trade_region_code, ta.create_time, ta.project_code, ta.project_type, (SELECT project_name FROM trade_project tp WHERE ta.project_code = tp.project_code limit 1) AS project_name from trade_anno ta where ta.project_type = ? and ta.anno_type = ? and ta.create_time < ? order by ta.create_time desc LIMIT ?,?runningSqlCount 3 : SELECT COUNT(*) FROM trade_anno ta WHERE ta.project_type = ? AND ta.create_time < ? AND ta.title LIKE CONCAT('%', ?, '%')runningSqlCount 2 : SELECT COUNT(*) FROM trade_anno ta WHERE ta.project_type = ? AND ta.anno_type = ? AND ta.trade_region_code LIKE CONCAT(?, '%') AND ta.create_time < ?### 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, createErrorCount 349, runningSqlCount 38 : SELECT COUNT(*) FROM trade_anno ta WHERE ta.project_type = ? AND ta.anno_type = ? AND ta.create_time < ?runningSqlCount 3 : SELECT anno_type, COUNT(*) num FROM `trade_anno` WHERE project_code = ? GROUP BY anno_typerunningSqlCount 1 : SELECT DISTINCT bid_times FROM (SELECT * FROM trade_anno WHERE project_type = ? AND project_code = ?) tarunningSqlCount 3 : select ta.id, ta.title, ta.anno_type, ta.trade_region_code, ta.create_time, ta.project_code, ta.project_type, (SELECT project_name FROM trade_project tp WHERE ta.project_code = tp.project_code limit 1) AS project_name from trade_anno ta where ta.project_type = ? and ta.anno_type = ? and ta.create_time < ? order by ta.create_time desc LIMIT ?,?runningSqlCount 3 : SELECT COUNT(*) FROM trade_anno ta WHERE ta.project_type = ? AND ta.create_time < ? AND ta.title LIKE CONCAT('%', ?, '%')runningSqlCount 2 : SELECT COUNT(*) FROM trade_anno ta WHERE ta.project_type = ? AND ta.anno_type = ? AND ta.trade_region_code LIKE CONCAT(?, '%') AND ta.create_time < ?","data":null}