Due to the change of the IP address due to the address relocation, the IP address of the entire confluence server is changed and the corresponding database address is changed.
root@computer-PowerEdge-T30:/opt/atlassian/confluence/confluence/WEB-INF/classes#
root@computer-PowerEdge-T30:/opt/atlassian/confluence/confluence/WEB-INF/classes# ll
total 260
drwxr-xr-x 3 root root 4096 3月 27 15:20 ./
drwxr-xr-x 6 root root 4096 3月 27 15:20 ../
drwxr-xr-x 3 root root 4096 3月 27 15:20 com/
-rw-r--r-- 1 root root 1040 3月 27 15:20 confluence-init.properties
-rw-r--r-- 1 root root 549 12月 1 2014 crowd.properties
-rw-r--r-- 1 root root 178501 12月 1 2014 hash-registry.properties
-rw-r--r-- 1 root root 514 12月 1 2014 lgplTemplate.soy
-rw-r--r-- 1 root root 7379 12月 1 2014 log4j-diagnostic.properties
-rw-r--r-- 1 root root 12898 12月 1 2014 log4j.properties
-rw-r--r-- 1 root root 280 12月 1 2014 logging.properties
-rw-r--r-- 1 root root 5849 12月 1 2014 mime.types
-rw-r--r-- 1 root root 2741 12月 1 2014 osuser.xml
-rw-r--r-- 1 root root 2811 12月 1 2014 seraph-config.xml
-rw-r--r-- 1 root root 311 12月 1 2014 seraph-paths.xml
-rw-r--r-- 1 root root 3437 12月 1 2014 velocity_implicit.vm
-rw-r--r-- 1 root root 7613 12月 1 2014 velocity.properties
root@computer-PowerEdge-T30:/opt/atlassian/confluence/confluence/WEB-INF/classes# nano confluence-init.properties 
Open the file directory of confluence home
root@computer-PowerEdge-T30:/var/atlassian/application-data/confluence# ll
total 72
drwx------ 15 confluence3 root 4096 4月 25 09:06 ./
drwxr-xr-x 3 root root 4096 3月 27 15:20 ../
drwxrwxr-x 2 confluence3 confluence3 4096 4月 25 09:06 analytics-logs/
drwxrwxr-x 3 confluence3 confluence3 4096 3月 27 16:03 attachments/
drwxrwxr-x 2 confluence3 confluence3 4096 4月 24 02:00 backups/
drwxrwxr-x 2 confluence3 confluence3 4096 3月 27 15:32 bundled-plugins/
-rw-rw-r-- 1 confluence3 confluence3 2401 4月 25 09:06 confluence.cfg.xml
drwxrwxr-x 3 confluence3 confluence3 4096 4月 25 09:06 index/
drwxrwxr-x 2 confluence3 confluence3 4096 4月 23 15:43 journal/
drwxrwxr-x 2 confluence3 confluence3 4096 4月 25 07:44 logs/
drwxrwxr-x 2 confluence3 confluence3 4096 4月 25 09:06 plugins-cache/
drwxrwxr-x 5 confluence3 confluence3 4096 3月 27 15:32 plugins-osgi-cache/
drwxrwxr-x 2 confluence3 confluence3 4096 3月 27 15:32 plugins-temp/
drwxrwxr-x 3 confluence3 confluence3 4096 3月 27 15:32 shared-home/
drwxrwxr-x 2 confluence3 confluence3 4096 4月 24 04:00 temp/
drwxrwxr-x 2 confluence3 confluence3 12288 4月 25 09:38 webresource-temp/
root@computer-PowerEdge-T30:/var/atlassian/application-data/confluence#
root@computer-PowerEdge-T30:/var/atlassian/application-data/confluence# nano confluence.cfg.xml 
restart complete