package libplexus-classworlds-java (not installed) failed to install/upgrade: trying to overwrite '/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/debian/plexus-classworlds-debian.pom', which is also in package libplexus-classworlds2-java 2.5.1-1

[Hans Joachim Desserud]

$ sudo apt-get install eclipse git maven
...
Selecting previously unselected package libkxml2-java.
Unpacking libkxml2-java (from .../libkxml2-java_2.3.0+ds1-2_all.deb) ...
Processing triggers for ca-certificates ...
Updating certificates in /etc/ssl/certs... 0 added, 0 removed; done.
Running hooks in /etc/ca-certificates/update.d....done.
Processing triggers for man-db ...
Processing triggers for doc-base ...
Processing 6 added doc-base files...
Processing triggers for gnome-menus ...
Processing triggers for desktop-file-utils ...
Processing triggers for bamfdaemon ...
Rebuilding /usr/share/applications/bamf-2.index...
Processing triggers for mime-support ...
Processing triggers for hicolor-icon-theme ...
Processing triggers for ureadahead ...
Processing triggers for install-info ...
Processing triggers for gconf2 ...
Processing triggers for fontconfig ...
Errors were encountered while processing:
 /var/cache/apt/archives/libplexus-classworlds-java_1.5.0-5_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

$ sudo apt-get install eclipse git maven
[sudo] password for ubuntu:
Reading package lists... Done
Building dependency tree
Reading state information... Done
git is already the newest version.
eclipse is already the newest version.
maven is already the newest version.
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
 libplexus-containers-java : Depends: libplexus-classworlds-java but it is not going to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).

$ sudo apt-get -f install
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following extra packages will be installed:
  libplexus-classworlds-java
Suggested packages:
  libplexus-classworlds-java-doc
The following NEW packages will be installed:
  libplexus-classworlds-java
0 upgraded, 1 newly installed, 0 to remove and 288 not upgraded.
202 not fully installed or removed.
Need to get 0 B/49,2 kB of archives.
After this operation, 117 kB of additional disk space will be used.
Do you want to continue [Y/n]?
(Reading database ... 188042 files and directories currently installed.)
Unpacking libplexus-classworlds-java (from .../libplexus-classworlds-java_1.5.0-5_all.deb) ...
dpkg: error processing /var/cache/apt/archives/libplexus-classworlds-java_1.5.0-5_all.deb (--unpack):
 trying to overwrite '/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/debian/plexus-classworlds-debian.pom', which is also in package libplexus-classworlds2-java 2.5.1-1
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libplexus-classworlds-java (not installed)
ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
Uname: Linux 3.11.0-12-generic i686
ApportVersion: 2.12.5-0ubuntu2
Architecture: i386
Date: Sat Oct 26 13:28:45 2013
DpkgTerminalLog:
 Unpacking libplexus-classworlds-java (from .../libplexus-classworlds-java_1.5.0-5_all.deb) ...
 dpkg: error processing /var/cache/apt/archives/libplexus-classworlds-java_1.5.0-5_all.deb (--unpack):
  trying to overwrite '/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/debian/plexus-classworlds-debian.pom', which is also in package libplexus-classworlds2-java 2.5.1-1
DuplicateSignature: package:libplexus-classworlds-java:(not installed):trying to overwrite '/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/debian/plexus-classworlds-debian.pom', which is also in package libplexus-classworlds2-java 2.5.1-1
ErrorMessage: trying to overwrite '/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/debian/plexus-classworlds-debian.pom', which is also in package libplexus-classworlds2-java 2.5.1-1
InstallationDate: Installed on 2013-10-26 (0 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20131021.1)
MarkForUpload: True
SourcePackage: plexus-classworlds
Title: package libplexus-classworlds-java (not installed) failed to install/upgrade: trying to overwrite '/usr/share/maven-repo/org/codehaus/plexus/plexus-classworlds/debian/plexus-classworlds-debian.pom', which is also in package libplexus-classworlds2-java 2.5.1-1
UpgradeStatus: No upgrade log present (probably fresh install)

[Hans Joachim Desserud (hjd)]

I am no longer able to reproduce this issue on an up to date 14.04 system. I noticed that libplexus-classworlds2-java has been updated to version 2.5.1-2, so I did some research and found a corresponding Debian bug which fixed this issue.