安装tomcat7时出错

Question

我正在尝试在ubuntu14.04上使用

$sudo apt-get install tomcat7，但是它给出了一个错误

The following NEW packages will be installed:
  tomcat7
0 upgraded, 1 newly installed, 0 to remove and 555 not upgraded.
Need to get 0 B/35.6 kB of archives.
After this operation, 374 kB of additional disk space will be used.
Preconfiguring packages ...
Selecting previously unselected package tomcat7.
(Reading database ... 221751 files and directories currently installed.)
Preparing to unpack .../tomcat7_7.0.52-1ubuntu0.3_all.deb ...
Unpacking tomcat7 (7.0.52-1ubuntu0.3) ...
Processing triggers for ureadahead (0.100.0-16) ...
Setting up tomcat7 (7.0.52-1ubuntu0.3) ...
chmod: cannot access ‘/etc/tomcat7/tomcat-users.xml’: No such file or directory
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)

如果我做错了什么，请纠正我？

Answer 1

删除此文件：/etc/tomcat7/tomcat-users.xml，重新启动系统并运行以下命令

 sudo apt-get update 

然后

 sudo apt-get install tomcat7 
 sudo service tomcat7 restart