jde installation error

I tried doing the follow in ubuntu 7.10 but the package just doesn't instal=
l. I am a newbie to linux so I don't know what to do. My school uses emacs =
and jde for the java class so it would be helpful to have an ide environmen=
t to use with emacs for homeworks.=20

wei@wei-laptop:~$ sudo apt-get install jde
Reading package lists... Done
Building dependency tree      =20
Reading state information... Done
Suggested packages:
  ant checkstyle libtomcat5-java
Recommended packages:
  ecb
The following NEW packages will be installed:
  jde
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 0B/1572kB of archives.
After unpacking 3846kB of additional disk space will be used.
Selecting previously deselected package jde.
(Reading database ... 98912 files and directories currently installed.)
Unpacking jde (from .../archives/jde_2.3.5.1-2_all.deb) ...
Setting up jde (2.3.5.1-2) ...
Error in `/usr/share/doc-base/jde', line 1: the first line does not contain=
 valid `Document' field
dpkg: error processing jde (--configure):
 subprocess post-installation script returned error exit status 1
Errors were encountered while processing:
 jde
E: Sub-process /usr/bin/dpkg returned an error code (1)

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