ORA-12516: TNS:listener could not find available handler with matching protocol stack
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ORA-12516: TNS:listener could not find available handler with matching protocol stack
ORA-12516: TNS监听程序找不到符合协议堆栈要求的可用处理程序
sqlplus / as sysdba;
查看process和session的参数值和占用值
show parameter processes;
//查看processes数
select count(*) from v$process;
//查看当前占用的processes数
alter system set processes=1000 scope=spfile;
alter system set sessions=1105 scope=spfile;
根据ORACLE官方文档要求：
sessions=processes1.1+5
关闭oracle
shutdown immediate;
启动oracle
startup
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ORA-12516：TNS:listener could not find available handler with matching protocol stack
Oracle报错ORA-12516 TNS:listener could not find available handler with matching protocol stack
Oracle报错ORA-12516 TNS:listener could not find available handler with matching protocol stack