При установке ftp vsftpd происходит ошибка tomcat7

root@Nanobi-05-PC:/home/dev# sudo apt-get install -f vsftpd
Reading package lists... Done
Building dependency tree       
Reading state information... Done
vsftpd is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 56 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 (7.0.52-1ubuntu0.3) ...
/var/lib/dpkg/info/tomcat7.config: 11: /etc/default/tomcat7: is: not found
dpkg: error processing package tomcat7 (--configure):
 subprocess installed post-installation script returned error exit status 127
Errors were encountered while processing:
 tomcat7
E: Sub-process /usr/bin/dpkg returned an error code (1)

как разрешить это