Cannot install libwagon2-java due to path collision and libwagon-java

Just typed
apt-get install libwagon2-java
as root and libwagon-java get installed but libwagon2-java cannot get installed afterward ...
This was found while trying to install maven.

Here is the log:

# apt-get install libwagon2-java
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  libmaven-scm-java libmaven2-core-java libwagon-java
Suggested packages:
  libmaven-scm-java-doc libwagon-java-doc
The following NEW packages will be installed:
  libmaven-scm-java libmaven2-core-java libwagon-java libwagon2-java
0 upgraded, 4 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/2 918 kB of archives.
After this operation, 5 086 kB of additional disk space will be used.
Do you want to continue [Y/n]? Y
Selecting previously unselected package libwagon-java.
(Reading database ... 422231 files and directories currently installed.)
Unpacking libwagon-java (from .../libwagon-java_1.0.0-2ubuntu2_all.deb) ...
Selecting previously unselected package libmaven2-core-java.
Unpacking libmaven2-core-java (from .../libmaven2-core-java_2.2.1-8_all.deb) ...
Selecting previously unselected package libmaven-scm-java.
Unpacking libmaven-scm-java (from .../libmaven-scm-java_1.3-4_all.deb) ...
Unpacking libwagon2-java (from .../libwagon2-java_2.2-3+nmu1_all.deb) ...
dpkg: error processing /var/cache/apt/archives/libwagon2-java_2.2-3+nmu1_all.deb (--unpack):
 trying to overwrite '/usr/share/java/wagon-tck-http.jar', which is also in package libwagon-java 1.0.0-2ubuntu2
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Errors were encountered while processing:
 /var/cache/apt/archives/libwagon2-java_2.2-3+nmu1_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)