主要修改/etc/hosts配置文件。
修改前配置：
127.0.0.1    localhost
192.168.2.50    ABC-DBSERVER

# The following lines are desirable for IPv6 capable hosts
::1     localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts

修改后配置：

127.0.0.1    localhost
192.168.1.55    ABC-DBSERVER

# The following lines are desirable for IPv6 capable hosts
::1     localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts

修改后，重启Oracle，就可以了。



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