马上登录到服务器里查看监听状态,发现有TNS-12541 ,TNS-12560等错误 手动把监听服务启动,这时候服务状态上显示为已启动,但在CMD窗口执行lsnrctl status的时候依然返回错误信息...正在连接到 (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=john-PC)(PORT= TNS-12541: TNS: 无监听程序 TNS-12560: TNS:...协议适配器错误 TNS-00511: 无监听程序 32-bit Windows Error: 61: Unknown error 正在连接到 (DESCRIPTION=(ADDRESS=(PROTOCOL...三、解决方案步骤 **网上有个解决TNS-12535错误的案例,平台和版本都很类似,如下: 1、在 sqlnet.ora文件中 增加如下行: DIAG_ADR_ENABLED = OFF 2、在listener.ora...LSNRCTL>set log_file mylog Will yield: TNS-01251: Cannot set trace/log directory under ADR.
TNS-12537: TNS:connection closed TNS-12560: TNS:protocol adapter error TNS-00507: Connection closed...-12560: TNS:protocol adapter error TNS-00511: No listener Linux Error: 111: Connection refused Connecting...-12560: TNS:protocol adapter error TNS-00511: No listener Linux Error: 111: Connection refused 查看主机名...TNSLSNR for Linux: Version 11.2.0.1.0 - Production System parameter file is /opt/oracle/11g/network/admin...Local OS Authentication SNMP OFF Listener Parameter File /opt/oracle/11g/network/admin
在微信群中有朋友提出一个问题:如何获得Oracle的TNS_ADMIN的变量值? TNS_ADMIN 是Oracle的一个环境变量,指向 SQL*Net 配置文件的位置。...通常在 Windows 上,环境变量的设置类似如下: set TNS_ADMIN=%ORACLE HOME%\network\admin 在 Unix/ Linux 设置类似如下: export TNS_ADMIN..._1/network/admin TNS_ADMIN 参数重要么?...现在,TNS_ADMIN指向的目录(下面简称TNS_ADMIN目录)和%ORACLE_HOME%\NETWORK\ADMIN(下面简称Oracle目录)下都有tnsnames.ora这个文件。...OEM在处理TNS_ADMIN上是有问题的。
1 [oracle@localhost ~]$ lsnrctl start 2 3 LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 06...All rights reserved. 6 7 Starting /opt/oracle/11g/bin/tnslsnr: please wait... 8 9 TNSLSNR for Linux...: Version 11.2.0.1.0 - Production 10 System parameter file is /opt/oracle/11g/network/admin/listener.ora...-12555: TNS:permission denied 14 TNS-12560: TNS:protocol adapter error 15 TNS-00525: Insufficient...privilege for operation 16 Linux Error: 1: Operation not permitted 17 18 Listener failed to start
network/admin/listener.ora Log messages written to /users/oracle/OraHome10g/network/log/listener_usmthly.log...TNS-00515: Connect failed because target host or object does not exist Linux Error: 99: Cannot assign...10.101.1.106)(PORT = 1504)) ) ) ) oracle@sysreportDB:/users/oracle/OraHome10g/network/admin...network/admin/listener.ora Log messages written to /users/oracle/OraHome10g/network/log/listener_usmthly.log...-12543: TNS:destination host unreachable TNS-12560: TNS:protocol adapter error TNS-00513: Destination
TNS-12531: TNS: 无法分配内存 解决方案 针对故障信息: 22-3月 -2019 06:21:54 * 12531 TNS-12531: TNS: 无法分配内存 解决优化方案: 方案一
for Linux: Version 11.2.0.1.0 - Production Oracle Bequeath NT Protocol Adapter for Linux: Version 11.2.0.1.0...Tns error struct: ns main err code: 12537 TNS-12537: TNS:connection closed ns secondary err code...for Linux: Version 11.2.0.1.0 - Production Oracle Bequeath NT Protocol Adapter for Linux: Version 11.2.0.1.0...Tns error struct: ns main err code: 12537 TNS-12537: TNS:connection closed ns secondary err code...Tns error struct: ns main err code: 12537 TNS-12537: TNS:connection closed ns secondary err code
tnsping 本机ok,tnsping其他机器均报错: [oracle@db11g ~]$ tnsping jingyu TNS Ping Utility for Linux: Version 11.2.0.3.0...Used parameter files: /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/sqlnet.ora Used TNSNAMES...-12543: TNS:destination host unreachable [oracle@db11g ~]$ tnsping jycas TNS Ping Utility for Linux:...[oracle@bogon ~]$ tnsping 192.168.1.18 TNS Ping Utility for Linux: Version 19.0.0.0.0 - Production on...记得早些时候这个Linux6查看防火墙的命令在Linux7中执行,重定向是可以变成正确命令的。
no listener TNS-12560: TNS:protocol adapter error TNS-00511: No listener Linux Error: 111: Connection...: TNS:protocol adapter error TNS-00511: No listener Linux Error: 111: Connection refused LSNRCTL.../db_1/network/admin/listener.ora Log messages written to /u01/app/ora10g/product/10.2.0/db_1/network/...:no listener TNS-12560: TNS:protocol adapter error TNS-00511: No listener Linux Error: 111: Connection...: TNS:protocol adapter error TNS-00511: No listener Linux Error: 111: Connection refused LSNRCTL
LSNRCTL for Linux...-12541: TNS:no listener TNS-12560: TNS:protocol...TNS-12560: TNS:protocol adapter error TNS-00511: No listener...配置listener.ora中ADMIN_RESTRICTIONS参数 参数作用: 当在listener.ora文件中设置了ADMIN_RESTRICTIONS参数后,在监听器运行时,...修改方法: 在listener.ora文件中手动加入下面这样一行 ADMIN_RESTRICTIONS_ = ON 7.
1.问题描述 在linux服务器centos7上新安装的oracle 19c,结果发现客户端怎么都连不上。...Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.161.120)(PORT=1521))) TNS-12541: TNS:...no listener TNS-12560: TNS:protocol adapter error TNS-00511: No listener Linux Error: 111: Connection...Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.161.120)(PORT=1521))) TNS-12541: TNS:...no listener TNS-12560: TNS:protocol adapter error TNS-00511: No listener Linux Error: 111: Connection
在 Linux下启动Oracle服务需要下面两步: 启动lsnrctl监听。 启动数据库实例。...TNS-12560: TNS:protocol adapter error TNS-00511: No listener Linux Error: 111: Connection refused...-12560: TNS:protocol adapter error TNS-00511: No listener Linux Error: 111: Connection refused 启动监听.../12.2.0/dbhome_1/network/admin/listener.ora Log messages written to /home/oracle/app/oracle/diag/tnslsnr...OFF Listener Parameter File /home/oracle/app/oracle/product/12.2.0/dbhome_1/network/admin
⭐️ Linux 主机安装教程可参考:实战篇:VMware Workstation 虚拟机安装 Linux 系统 ⭐️ Oracle 单机安装教程可参考:实战篇:Linux 安装 Oracle 11GR2...数据库保姆级教程 ⭐️ Oracle RAC 安装教程可参考:实战篇:一步步教你 Linux 7 安装 Oracle 11GR2 RAC ⭐️ Oracle 脚本一键安装可参考:开源项目:Install...3.3、配置监听 oracle 用户下,进入 $TNS_ADMIN 配置 listener.ora 文件: cat>$TNS_ADMIN/listener.ora SID_LIST_LISTENER...cat>$TNS_ADMIN/listener.ora SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (SID_NAME = lucifer...4.1、配置 TNS 通过配置 TNS 来连接透明网关,进入 TNS 配置文件目录 $TNS_ADMIN 配置 TNS: cat>$TNS_ADMIN/tnsnames.ora lucifer
2.TNS报错信息泄露数据库版本 如果TNS接到一个它无法识别的TNS命令(是格式正确,但内容不对),就会会送一个错误,在这个错误中包含VSNNUM,它保存了一个十进制数字,把该数字转成十六进制会得到数据库版本号...2.开启 Admin Restrictions 通过开启Admin Restrictions(管理限制)可防止对Listener的未授权管理。...随着Admin Restrictions的开启,一些命令将不能被远程调用。及时提供Listener口令也不行。...为开启Admin Restrictions,将下面的代码行添加到Listener.ora文件中。...ADMIN_RESTRICTIONS_listencername =ON 3.开启TCP有效节点检查 TCP有效节点检验可以用来允许某些主机连接到数据库而阻止其他服务器链接。
使用tnsping dcsopen测试,报错: ora11g>tnsping dcsopen TNS Ping Utility for Linux: Version 11.2.0.1.0 - Production...Used parameter files: /opt/app/ora11g/product/11.2.0/dcsopen/network/admin/sqlnet.ora TNS-03505: Failed...tnsping.trace_level=admin 执行tnsping报错后,查看tnsping.trc文件: tail: tnsping.trc: file truncated TNS Ping...远程访问tnsping和sqlplus报错TNS-12560: TNS:protocol adapter error,说明可能两台机器之间的连接有问题而不是监听自身的问题。...解决过程中,有的帖子说需要设置$TNS_ADMIN环境变量,尽管这是有两个Oracle版本同机,但后来测试不配置,也可以访问,说明这不是关键问题。
在未设置这些参数前,测试数据库可以正常访问: D:/>tnsping eygle TNS Ping Utility for 32-bit Windows: Version 10.2.0.3.0 -...]$ lsnrctl start LSNRCTL for Linux: Version 9.2.0.4.0 - Production on 28-JAN-2008 14:42:01 Copyright...TNSLSNR for Linux: Version 9.2.0.4.0 - Production System parameter file is /opt/oracle/product/9.2.0/...LISTENER ------------------------ Alias LISTENER Version TNSLSNR for Linux...-12547: TNS: 丢失连接 需要注意的是一定要将本地地址,或者Cluster群集其他节点的地址都加入到允许列表,否则监听器可能无法启动。
-dw # listener.ora Network Configuration File: C:\oracle\10.1.0\Db_1\network\admin\listener.ora # Generated
处理 1.登陆到oracle数据库服务器 [root@lzdk ~]# su - oracle 2.查看监听状态 [oracle@lzdk ~]$ lsnrctl status LSNRCTL for Linux...Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.91.116)(PORT=1521))) TNS-12541: TNS:no...listener TNS-12560: TNS:protocol adapter error TNS-00511: No listener Linux Error: 111: Connection refused.../dbhome_1/network/admin/listener.ora Log messages written to /u01/app/oracle/diag/tnslsnr/lzdk/listener...OFF Listener Parameter File /u01/app/oracle/product/11.2.0/dbhome_1/network/admin
$ time tnsping db84 TNS Ping Utility for Linux: Version 11.2.0.3.0 - Production on 18-MAY-2016 22:17:...$ tnsping --help TNS Ping Utility for Linux: Version 11.2.0.3.0 - Production on 18-MAY-2016 18:03:15...Used parameter files: /U01/app/oracle/product/11.2.3/db_1/network/admin/sqlnet.ora TNS-03505: Failed...to resolve name $ tnsping -h TNS Ping Utility for Linux: Version 11.2.0.3.0 - Production on 18-MAY-2016...Used parameter files: /U01/app/oracle/product/11.2.3/db_1/network/admin/sqlnet.ora TNS-03505: Failed
领取专属 10元无门槛券
手把手带您无忧上云