resolving cascading dependencies

Is there a solution the following dilemma in the tomcat[6,7,8\.
tomcat[6,7,8]-webapps and metaboanalyst-tomcat[6,7,8]-r[30.31] packages?
While the following fink commands properly resolve the package dependencies
and conflicts…

% fink install tomcat6-webapps
Information about 10283 packages read in 2 seconds.
The following package will be installed or updated:
 tomcat6-webapps
The following additional package will be installed:
 tomcat6
Do you want to continue? [Y/n]
Reading buildlock packages...
/sw/bin/dpkg-lockwait -i
/sw/fink/dists/stable/main/binary-darwin-x86_64/web/tomcat6-webapps_6.0.39-2_darwin-x86_64.deb
/sw/fink/dists/stable/main/binary-darwin-x86_64/web/tomcat6_6.0.39-2_darwin-x86_64.deb
dpkg: considering removing tomcat8-webapps in favour of tomcat6-webapps ...
dpkg: yes, will remove tomcat8-webapps in favour of tomcat6-webapps.
(Reading database ... 363596 files and directories currently installed.)
Unpacking tomcat6-webapps (from
.../tomcat6-webapps_6.0.39-2_darwin-x86_64.deb) ...
dpkg: considering removing tomcat8 in favour of tomcat6 ...
dpkg: yes, will remove tomcat8 in favour of tomcat6.
Unpacking tomcat6 (from .../tomcat6_6.0.39-2_darwin-x86_64.deb) ...
Setting up tomcat6 (6.0.39-2) ...

Setting up tomcat6-webapps (6.0.39-2) ...
Installing new version of config file
/sw/share/webapps/host-manager/manager.xml ...

% fink install tomcat7-webapps
Information about 10283 packages read in 1 seconds.
The following package will be installed or updated:
 tomcat7-webapps
The following additional package will be installed:
 tomcat7
Do you want to continue? [Y/n]
Reading buildlock packages...
/sw/bin/dpkg-lockwait -i
/sw/fink/dists/stable/main/binary-darwin-x86_64/web/tomcat7-webapps_7.0.53-2_darwin-x86_64.deb
/sw/fink/dists/stable/main/binary-darwin-x86_64/web/tomcat7_7.0.53-2_darwin-x86_64.deb
dpkg: considering removing tomcat6-webapps in favour of tomcat7-webapps ...
dpkg: yes, will remove tomcat6-webapps in favour of tomcat7-webapps.
(Reading database ... 363443 files and directories currently installed.)
Unpacking tomcat7-webapps (from
.../tomcat7-webapps_7.0.53-2_darwin-x86_64.deb) ...
dpkg: considering removing tomcat6 in favour of tomcat7 ...
dpkg: yes, will remove tomcat6 in favour of tomcat7.
Unpacking tomcat7 (from .../tomcat7_7.0.53-2_darwin-x86_64.deb) ...
Setting up tomcat7 (7.0.53-2) ...

Setting up tomcat7-webapps (7.0.53-2) ...
Installing new version of config file
/sw/share/webapps/host-manager/manager.xml ...

h% fink install tomcat8-webapps
Information about 10283 packages read in 1 seconds.
The following package will be installed or updated:
 tomcat8-webapps
The following additional package will be installed:
 tomcat8
Do you want to continue? [Y/n]
Reading buildlock packages...
/sw/bin/dpkg-lockwait -i
/sw/fink/dists/stable/main/binary-darwin-x86_64/web/tomcat8-webapps_8.0.5-3_darwin-x86_64.deb
/sw/fink/dists/stable/main/binary-darwin-x86_64/web/tomcat8_8.0.5-3_darwin-x86_64.deb
dpkg: considering removing tomcat7-webapps in favour of tomcat8-webapps ...
dpkg: yes, will remove tomcat7-webapps in favour of tomcat8-webapps.
(Reading database ... 363599 files and directories currently installed.)
Unpacking tomcat8-webapps (from
.../tomcat8-webapps_8.0.5-3_darwin-x86_64.deb) ...
dpkg: considering removing tomcat7 in favour of tomcat8 ...
dpkg: yes, will remove tomcat7 in favour of tomcat8.
Unpacking tomcat8 (from .../tomcat8_8.0.5-3_darwin-x86_64.deb) ...
Setting up tomcat8 (8.0.5-3) ...

Setting up tomcat8-webapps (8.0.5-3) ...
Installing new version of config file
/sw/share/webapps/host-manager/manager.xml ...

...when you try to do the same with the
metaboanalyst-tomcat[6,7,8]-r[30.31], fink fails to resolve the cascading
dependencies and conflicts…

% fink install metaboanalyst-tomcat8-r31
Information about 10283 packages read in 1 seconds.
The following package will be installed or updated:
 metaboanalyst-tomcat8-r31
Reading buildlock packages...
/sw/bin/dpkg-lockwait -i
/sw/fink/dists/stable/main/binary-darwin-x86_64/sci/metaboanalyst-tomcat8-r31_2.0-2_darwin-x86_64.deb
Selecting previously deselected package metaboanalyst-tomcat8-r31.
(Reading database ... 363596 files and directories currently installed.)
Unpacking metaboanalyst-tomcat8-r31 (from
.../metaboanalyst-tomcat8-r31_2.0-2_darwin-x86_64.deb) ...
Setting up metaboanalyst-tomcat8-r31 (2.0-2) ...

   MetaboAnalyst 2.0 installed for the combination of
   the tomcat8 and the r-base3.1 R server.

   The local MetaboAnalyst 2.0 server is started by...

   1) Start the tomcat8 first with...

       sudo -u tomcat tomcat8 start

   2) Start the Rserver next with...

       sudo -u tomcat R-3.1

   and then enter...

       library(Rserve)
       Rserve()

   at the R prompt. Leave the terminal window open
   to monitor R messages from MetaboAnalyst 2.0.

   3) Access the MetaboAnalyst 2.0 server via the url

       http://localhost:8080/MetaboAnalyst/

% fink install metaboanalyst-tomcat7-r31
Information about 10283 packages read in 1 seconds.
The following package will be installed or updated:
 metaboanalyst-tomcat7-r31
The following 2 additional packages will be installed:
 tomcat7 tomcat7-webapps
Do you want to continue? [Y/n]
Reading buildlock packages...
Could not resolve inconsistent dependencies!

Fink isn't sure how to install the above packages safely. You may be able
to fix things by running:

  fink scanpackages
  sudo apt-get update
  sudo apt-get install tomcat7-webapps=7.0.53-2 tomcat7=7.0.53-2

Failed: Fink::SysState: Could not resolve inconsistent dependencies

Is this beyond fink's capabilities or is there some trick which will allow
the installation of a different tomcat variant of metaboanalyst-tomcat*-r*
to properly remove the conflicting tomcat*/tomcat*-webapps packages?

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