定位原因 -- 以sysdba身份登陆PL/SQL sqlplus / as sysdba;-- 查看当前连接进程数SQL>select count(*) from v$process;-- 查看连接数上限SQL>select value from v$parameter where name = 'processes';-- 查询processes数量SQL> show para
解决方法:加大PROCESSES sessions=(1.1*process+5) show parameter processes; show parameter sessions; alter system set processes=300 scope=spfile; alter system set sessions=335 scope=spfile; 需要附加的操作: show para