{"code":"-999999","msg":"服務(wù)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, runningSqlCount 49 : SELECT COUNT(*) FROM trade_anno ta WHERE ta.project_type = ? AND ta.anno_type = ? AND ta.create_time < ?runningSqlCount 1 : 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 ?,?### 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 49 : SELECT COUNT(*) FROM trade_anno ta WHERE ta.project_type = ? AND ta.anno_type = ? AND ta.create_time < ?runningSqlCount 1 : 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 ?,?","data":null}