当你碰到ORA-12520错误时,如下所示: 英文错误提示: ORA-12520: TNS:listener could not find available handler for requested type of server 中文错误提示: ORA-12520: TNS: 监听程序无法为请求的服务器类型找到可用的处理程序…
现象: Oracle10gR2.0.0.1升级后,现在客户端连接时报ORA-12520错误 12520, 00000, "TNS:listener could not find available handler for requested type of server" // *Cause: None of the known and available service handlers for request…