apt-get install tomcat7 tomcat7-admin로 tomcat을 설치할때 E: Sub-process /usr/bin/dpkg returned an error code (1) 오류가 발생시

1. /var/lib/dpkg/info 폴더로 이동(cd /var/lib/dpkg/info)한후 파일들을 백업한다.
2. 에러가 나는 패키지를 삭제한다.

3. 재설치해준다.

-----------------------------오류 메세지------------------------

root@gsda1:/var/lib/dpkg/info# apt-get install tomcat7 tomcat7-admin
Reading package lists... Done
Building dependency tree      
Reading state information... Done
tomcat7 is already the newest version (7.0.68-1ubuntu0.1).
tomcat7-admin is already the newest version (7.0.68-1ubuntu0.1).
0 upgraded, 0 newly installed, 0 to remove and 89 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] Y
Setting up tomcat7 (7.0.68-1ubuntu0.1) ...
Job for tomcat7.service failed because the control process exited with error code. See "systemctl status tomcat7.service" and "journalctl -xe" for details.
invoke-rc.d: initscript tomcat7, action "start" failed.
dpkg: error processing package tomcat7 (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 tomcat7
E: Sub-process /usr/bin/dpkg returned an error code (1)