应用程序连接测试数据库时报ORA-12516:TNS:listener could not find available handler with matching protocol stack 检查监听日志文件,发现大量的TNS-12516错误 cd /u01/app/oracle/product/10.2.0/db_1/network/log more listener.log TNS-12516: TNS:listener could not find available handler…

解决办法定位原因-- 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 parameter processesNAME TYPE VALUE---------------------…

转至:http://blog.csdn.net/MichaelSrc/article/details/6760247 1.查看当前连接进程数 SQL>select count(*) from v$process; 2.查看连接数上限 SQL>select value from v$parameter where name = 'processes'; 3.查看当前数据库的processes设置 SQL> show parameter processes SQL> show para…

导致此问题的可能原因为:数据库的当前会话说不满足造成的. 解决方法如下: (1)连接数据库: [localhost@oracle]$:sqlplus  /nolog sql>conn  / as sysdba (2)查看两个相关参数:(processes 和 sessions) sql>show parameter processes; sql>show parameter sessions; 注:processes和sessions二者的关系是:sessions= (1.1*proce…

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 一般你应该从下面两个方面去检查出错原因并解决问题: 1:数据库是专用服务器,但是在tnsname.ora配置文件中设置的连接方式是shared,这种情况需要修改tnsn…

Title: Intermittent TNS-12516 or TNS-12519 Errors Connecting Via Net Symptom(s) ~~~~~~~~~~ Client connections may intermittently fail with either of the following errors: TNS-12516 TNS:listener could not find instance with matching protocol stack TNS…

环境:Windows 2008 R2 + Oracle 10.2.0.3 应用最新bundle patch后,扫描依然报出漏洞 Oracle Database Server 'TNS Listener'远程数据投毒漏洞(CVE-2012-1675) 1.确定解决方案 2.应用解决方案 3.验证修补情况 4.Reference 1.确定解决方案 安全厂家给出的解决办法: 链接:http://www.oracle.com/technetwork/topics/security/alert-cve-2…

检查我们的一台ORACLE数据库的监听日志发现有不少TNS-12502错误信息.如下所示 TNS-12502: TNS:listener received no CONNECT_DATA from client   09-DEC-2014 15:47:06 * (CONNECT_DATA=(SERVICE_NAME=epps)(CID=(PROGRAM=D:\Tasks\FGIS2MES\CEG\gmt_auto.exe)(HOST=CEGWEB1)(USER=cegadmin))) * (AD…

java.sql.SQLException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor The Connection descriptor used by the client was: 192.168.149.128:1521:orcl at oracle.…

1.Message 850 not found; No message file for product=network, facility=NL 提示框:TNS:no listener 解决办法: 重新配置监听程序 点重新配置,一路next-- 2.ORA-12514: TNS:listener does not currently know of service requested in connect descriptor: 解决办法: 找到E:\app\Administrator\pro…