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I tried to install Scala with the typesafe stack and got into trouble. Now I cannot do much with apt (except update), the broken package seems to be impossible to remove/clean:

Here's the result of apt-get -f install:

$ sudo apt-get -f install
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Correcting dependencies... Done
The following packages were automatically installed and are no longer required:
  gstreamer0.10-fluendo-mp3:i386 scala-library liboil0.3:i386
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
  scala
The following NEW packages will be installed:
  scala
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
4 not fully installed or removed.
Need to get 21.5 MB of archives.
After this operation, 0 B of additional disk space will be used.
Do you want to continue [Y/n]? Y
Get:1 http://apt.typesafe.com/ unicorn/main scala all 2.9.2-400 [21.5 MB]
Fetched 21.5 MB in 13s (1,567 kB/s)                                                                          
(Reading database ... 329381 files and directories currently installed.)
Unpacking scala (from .../scala_2.9.2-400_all.deb) ...
dpkg: error processing /var/cache/apt/archives/scala_2.9.2-400_all.deb (--unpack):
 trying to overwrite '/usr/share/java/scala-partest.jar', which is also in package scala-library 2.9.1.dfsg-3
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Errors were encountered while processing:
 /var/cache/apt/archives/scala_2.9.2-400_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

Here's my attempt to autoremove:

$ apt-get autoremove
E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?
phdp@desktop:~/work/manuscripts/ideas/ibm_food_webs$ sudo apt-get autoremove
Reading package lists... Done
Building dependency tree       
Reading state information... Done
You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
 typesafe-stack : Depends: scala but it is not installed
E: Unmet dependencies. Try using -f.
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marked as duplicate by Braiam, Eric Carvalho, David Foerster, Evandro Silva, kos Jan 21 at 8:47

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

I fixed my issue using this command:

sudo dpkg -i --force-overwrite path-to-the-deb-file
  • If --force-overwrite doesn't work, try:

    sudo dpkg -i --force-overwrite-all path-to-the-deb-file

In your case:

sudo dpkg -i --force-overwrite /var/cache/apt/archives/scala_2.9.2-400_all.deb
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That did put a 2 hour misery to an end. Thx. – xebo Nov 26 '15 at 21:07

It seems like removing the scala-library package and then reconfiguring might work. So you're on the right track. The correct commands are, in this order:

sudo apt-get autoremove
sudo apt-get install -f

Your autoremove command did not succeed because you did not run it as root (using sudo).

share|improve this answer
    
Actually, he reran the autoremove after it told him he was not root. Look at the third line. – Ethan Brouwer Jun 8 '15 at 19:05
    
doesn't work... – Mehdi Dec 22 '15 at 12:01

The following worked for me (although I'm on x86):

$ sudo vim /var/lib/apt/lists/apt.typesafe.com_dists_unicorn_main_binary-i386_Packages

Change the line reading

Filename: pool/main/s/scala/scala_     2.9.2-400_all.deb

to:

Filename: pool/main/s/scala/scala_%20%20%20%20%202.9.2-400_all.deb

Followed by:

sudo apt-get remove scala-library
sudo apt-get remove scala
sudo apt-get install scala
share|improve this answer
    
Nano is easier for some users. Perhaps you can document that one can also use sudo nano or gksudo gedit? – hexafraction Sep 26 '12 at 15:25

In my case this worked:

sudo dpkg -P package_name 

(not deb name)

share|improve this answer
    
dpkg: dependency problems prevent removal of collada-dom-dev: ros-indigo-collada-parser depends on collada-dom-dev. ros-indigo-collada-urdf depends on collada-dom-dev. dpkg: error processing package collada-dom-dev (--purge): dependency problems - not removing Errors were encountered while processing: collada-dom-dev – Mehdi Dec 22 '15 at 12:02

The easy way to open synaptic. It will states you that a broken packages are found so you have to locate the broken packages and just remove then you can do whatever you like.

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i had this problem once, for some reaspon i think it was a skype package

actually i recall i had it twice, once when the skype package only was broken in this case if its only a few 1.open software updater, and wait for it to load 2. click settings 3. click other software tab These are all your packages, look at your console output, use the last few lines to locate which package it is and remove it, or do it one by one until you no longer get the error

If it was like i had once, all packages were unable to be reieved correctly same as above, but click the Ubuntu Software tab

check only the first and third box Select main server from the dropdown, click close sudo apt-get update

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the following command worked.

sudo rm -rf /var/lib/dpkg/updates/*
sudo rm -rf /var/lib/apt/lists/*
sudo rm /var/cache/apt/*.bin
sudo apt-get clean
sudo apt-get autoremove
sudo apt-get update
sudo dpkg --configure -a
sudo apt-get install -f

if still getting same error then try

sudo dpkg --remove --force-remove-reinstreq package_name 

after removing package update your system and restart once.

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In my case I couldn't update the system because of the following error when trying sudo apt-get install -f:

update-alternatives: error: /var/lib/dpkg/alternatives/package_name broken: invalid status

A remedy was to remove the file from /var/lib/dpkg/alternatives and repeat the above command. I ran it a few times until all the invalid packages were fixed.

In my case it prevented me from configuring Java properly.

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protected by Community Jul 9 '14 at 11:33

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