启监听时，报TNS-12560、TNS-00530错误

配置好listener.ora与tnsnames.ora后，执行启动监听命令后，报如下错误：[Oracle@gc1 admin]$ lsnrctl start LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 25-APR-2014 23:27:57 Copyright （c） 1991, 2005, Oracle. All rights reserved. Starting /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr: please wait... TNSLSNR for Linux: Version 10.2.0.1.0 - ProductionSystem parameter file is /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora

Log messages written to /u01/app/oracle/product/10.2.0/db_1/network/log/listener.log

Listening on: （DESCRIPTION=（ADDRESS=（PROTOCOL=tcp）（HOST=gc1）（PORT=1521））） Connecting to （DESCRIPTION=（ADDRESS=（PROTOCOL=tcp）（HOST=gc1）（PORT=1521）））TNS-12560: TNS:protocol adapter error TNS-00530: Protocol adapter error Linux Error: 113: No route to host
listener.ora与tnsnames.ora中配置内容如下：[oracle@gc1 admin]$ more listener.oraLISTENER= （DESCRIPTION= （ADDRESS_LIST= （ADDRESS=（PROTOCOL=tcp）（HOST=gc1）（PORT=1521））））SID_LIST_LISTENER= （SID_LIST= （SID_DESC= （SID_NAME=PROD）（ORACLE_HOME=/u01/app/oracle/product/10.2.0/db_1）（GLOBAL_DBNAME=PROD））（SID_DESC= （SID_NAME=EMREP）（ORACLE_HOME=/u01/app/oracle/product/10.2.0/db_1）（GLOBAL_DBNAME=EMREP））） LSNR2= （DESCRIPTION= （ADDRESS_LIST= （ADDRESS=（PROTOCOL=tcp）（HOST=gc1）（PORT=1526））（ADDRESS=（PROTOCOL=ipc）（KEY=extproc））））SID_LIST_LSNR2= （SID_LIST= （SID_DESC= （SID_NAME=plsextproc）（ORACLE_HOME=/u01/app/oracle/product/10.2.0/db_1）（PROGRAM=extproc）））[oracle@gc1 admin]$ more tnsnames.oraprod= （DESCRIPTION= （ADDRESS= （PROTOCOL=tcp）（HOST=gc1）（PORT=1521））（CONNECT_DATA= （SERVICE_NAME=PROD）（SERVER=dedicated））） prod_s= （DESCRIPTION= （ADDRESS= （PROTOCOL=tcp）（HOST=gc1）（PORT=1526））（CONNECT_DATA= （SERVICE_NAME=PROD）（SERVER=shared））） lsnr2= （DESCRIPTION= （ADDRESS= （PROTOCOL=tcp）（HOST=gc1）（PORT=1526））（CONNECT_DATA= （SERVICE_NAME=PROD）（SERVER=dedicated））） emrep= （DESCRIPTION= （ADDRESS= （PROTOCOL=tcp）（HOST=gc2）（PORT=1521））（CONNECT_DATA= （SERVICE_NAME=emrep）（SERVER=dedicated））） racdb= （DESCRIPTION= （LOAD_BALANCE=on）（FAILOVER=on）（ADDRESS=（PROTOCOL=tcp）（HOST=192.168.1.10）（PORT=1521））（ADDRESS=（PROTOCOL=tcp）（HOST=192.168.1.11）（PORT=1521））（CONNECT_DATA=（SERVICE_NAME=RACDB）））仔细检查这二配置文件，无语法错误。且tns文件都是使用主机名进行连接，怀疑可能/etc/hosts中ip配置有问题。--查看/etc/hosts内容[oracle@gc1 admin]$ vi /etc/hosts # Do not remove the following line, or various programs# that require network functionality will fail.# Do not remove the following line, or various programs# that require network functionality will fail.# Do not remove the following line, or various programs# that require network functionality will fail.127.0.0.1 node1 localhost.localdomain localhost::1 localhost6.localdomain6 localhost6192.168.188.116 gc1192.168.8.115 gc2--查看当前系统ip[root@gc1 ~]# ifconfigeth0 Link encap:Ethernet HWaddr 00:0C:29:F2:07:49 inet addr:10.1.55.129 Bcast:10.1.55.255 Mask:255.255.255.0 inet6 addr: fe80::20c:29ff:fef2:749/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:15906 errors:0 dropped:0 overruns:0 frame:0 TX packets:2524 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1438926 （1.3 MiB） TX bytes:305470 （298.3 KiB） Interrupt:67 Base address:0x2000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:414 errors:0 dropped:0 overruns:0 frame:0 TX packets:414 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:21738 （21.2 KiB） TX bytes:21738 （21.2 KiB）这二ip不同，于是root用户修改/etc/hosts中ip地址信息，如下：[oracle@gc1 oradata]$ su - rootPassword:[root@gc1 ~]# vi /etc/hosts # Do not remove the following line, or various programs# that require network functionality will fail.127.0.0.1 node1 localhost.localdomain localhost::1 localhost6.localdomain6 localhost6# 192.168.188.11610.1.55.129 gc1192.168.8.115 gc2修改保存后，再启动监听，成功[oracle@gc1 ~]$ lsnrctl start LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 25-APR-2014 23:38:00 Copyright （c） 1991, 2005, Oracle. All rights reserved. Starting /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr: please wait... TNSLSNR for Linux: Version 10.2.0.1.0 - ProductionSystem parameter file is /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora

Log messages written to /u01/app/oracle/product/10.2.0/db_1/network/log/listener.log

Listening on: （DESCRIPTION=（ADDRESS=（PROTOCOL=tcp）（HOST=gc1）（PORT=1521））） Connecting to （DESCRIPTION=（ADDRESS=（PROTOCOL=tcp）（HOST=gc1）（PORT=1521）））STATUS of the LISTENER------------------------Alias LISTENERVersion TNSLSNR for Linux: Version 10.2.0.1.0 - ProductionStart Date 25-APR-2014 23:38:00Uptime 0 days 0 hr. 0 min. 0 secTrace Level offSecurity ON: Local OS AuthenticationSNMP OFFListener Parameter File /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora

Listener Log File /u01/app/oracle/product/10.2.0/db_1/network/log/listener.logListening Endpoints Summary... （DESCRIPTION=（ADDRESS=（PROTOCOL=tcp）（HOST=gc1）（PORT=1521）））Services Summary...Service "EMREP" has 1 instance（s）. Instance "EMREP", status UNKNOWN, has 1 handler（s） for this service...Service "PROD" has 1 instance（s）. Instance "PROD", status UNKNOWN, has 1 handler（s） for this service...The command completed successfully更多Oracle相关信息见Oracle 专题页面 http://www.linuxidc.com/topicnews.aspx？tid=12本文永久更新链接地址