[Bug 346386] Re: [MASTER] Update fails with invalid package files with "Encountered a section with no Package: header"

[Julian Andres Klode]

** Changed in: apt (Ubuntu)
 Assignee: Pavel muhlheim (procomp26) => (unassigned)

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Title:
  [MASTER] Update fails with invalid package files with "Encountered a
  section with no Package: header"

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with "Encountered a section with no Package: header"

[Pavel muhlheim]

** Changed in: apt (Ubuntu)
 Assignee: (unassigned) => Pavel muhlheim (procomp26)

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Title:
  [MASTER] Update fails with invalid package files with "Encountered a
  section with no Package: header"

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[bijay_ant]

Similar Issue with me as well. The same problem occured with my regular
desktop computer, Then I tried to install fresh ubuntu 14.04 on another
computer yet same problem occured


E: Encountered a section with no Package: header
E: Problem with MergeList 
/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty_main_i18n_Translation-en%5fUS
E: The package lists or status file could not be parsed or opened.


Bug confirmed

Thanx in advance

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Ubuntu QA Website]

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/346386

** Tags added: iso-testing

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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[fulvio]

non sono in grado di farlo ora; grazie per i consigli e la disponibilità,
spero quanto prima di poter riparare il programma secondo le vostre precise
istruzioni.
Ancora molti ringraziamenti... :-)


2013/10/17 Vladimir Plotnikov 346...@bugs.launchpad.net

 same problem on dist-upgrade from 13.04 to 13.10

 --
 You received this bug notification because you are subscribed to a
 duplicate bug report (1095148).
 https://bugs.launchpad.net/bugs/346386

 Title:
   [MASTER] Update fails with invalid package files with Encountered a
   section with no Package: header

 Status in “apt” package in Ubuntu:
   Fix Released
 Status in “apt” source package in Natty:
   Fix Released
 Status in “apt” source package in Precise:
   Fix Released
 Status in “apt” package in Debian:
   Fix Released

 Bug description:
   Binary package hint: adept-updater

   Pertinent data printed when attempting to run Updater as follows:

   An unresolvable problem occurred while initializing the package
   information.

   Please report this bug against the 'update-manager' package and
   include the following error message:

   'E:Encountered a section with no Package: header, E:Problem with
   MergeList /var/lib/apt/lists/us.archive.ubuntu
   .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
   package lists or status file could not be parsed or opened.'

   WORKAROUND:
   Remove problematic files from /var/lib/apt/lists/ and rerun apt-get
 update.

   In the event that one is connected to a network with a proxy server
   that returns html pages (like a web page requesting you to login) and
   not package list files.   Those html files will get downloaded to
   /var/lib/apt/lists/ and prevent someone from using a package manager
   until the problem html pages are removed.

   TEST CASE:
   1) download the dummy-proxy attachment from this bug report
   2) run dummy-proxy (python dummy-proxy) on a precise system (this
 simulates a proxy that is not allowing access to archive.ubuntu.com and
 gives you   garbage html instead)
   2.5) Execute 'sudo -i' in a terminal
   3) Execute 'http_proxy=http://localhost:8080 apt-get update' in same
 terminal
   4) Observe the following error messages in your terminal:
   W: GPG error: http://archive.ubuntu.com precise InRelease: File
 /var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_InRelease
 doesn't  start with a clearsigned message
   W: Failed to fetch
 http://archive.ubuntu.com/ubuntu/dists/precise/multiverse/i18n/Index  No
 Hash entry in Release file /var/lib/apt/lists/partial/
  archive.ubuntu.com_ubuntu_dists_precise_multiverse_i18n_Index
   W: Failed to fetch
 gzip:/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_multiverse_source_Sources
 Encountered a section with noPackage: header
   5) Stop dummy-proxy
   6) Execute 'sudo apt-get update' in a terminal
   7) Observe the following error message:
   Reading package lists... Done
   W: GPG error: http://archive.ubuntu.com precise Release: The following
 signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic
Signing Key ftpmas...@ubuntu.com
   8) Remove the problematic files in /var/lib/apt/lists (sudo rm
 /var/lib/apt/lists/*)

   Install apt from -proposed
   1) run dummy-proxy (python dummy-proxy) on a precise system (this
 simulates a proxy that is not allowing access to archive.ubuntu.com and
 gives you   garbarge html instead)
   1.5) Execute 'sudo -i' in a terminal
   2) Execute 'http_proxy=http://localhost:8080 apt-get update' in same
 terminal
   3) Observe the following error messages in your terminal:
   W: A error occurred during the signature verification. The repository is
 not updated and the previous index files will be used. GPG error: http://
 archive.ubuntu.com precise Release: The following signatures were
 invalid: NODATA 1 NODATA 2
   W: Failed to fetch
 http://archive.ubuntu.com/ubuntu/dists/precise/Release
   W: Some index files failed to download. They have been ignored, or old
 ones used instead.
   4) Stop dummy-proxy
   5) Execute 'sudo apt-get update' in a terminal
   6) Observe the update succeed

 To manage notifications about this bug go to:
 https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions


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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Reyes Elena]

Merci beaucoup ! 
Avec votre méthode j'ai réussi à résoudre mon problème et cela est très 
gratifiant pour quelqu'un comme moi qui ne connais pas grand chose à 
l'informatique.
Aujourd'hui j'ai réalisé mon 1er. update depuis des mois.

Envoyé de mon iPad

Le 30 déc. 2013 à 11:09, Dany dany.kaiser...@gmail.com a écrit :

 The suggested work around was not correct in my case as there was a
 directory under the /lists directory named 'partial'. Work around was
 rmdir /var/lib/apt/lists/partial and then run apt-get update.
 
 -- 
 You received this bug notification because you are subscribed to a
 duplicate bug report (1256126).
 https://bugs.launchpad.net/bugs/346386
 
 Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header
 
 Status in “apt” package in Ubuntu:
  Fix Released
 Status in “apt” source package in Natty:
  Fix Released
 Status in “apt” source package in Precise:
  Fix Released
 Status in “apt” package in Debian:
  Fix Released
 
 Bug description:
  Binary package hint: adept-updater
 
  Pertinent data printed when attempting to run Updater as follows:
 
  An unresolvable problem occurred while initializing the package
  information.
 
  Please report this bug against the 'update-manager' package and
  include the following error message:
 
  'E:Encountered a section with no Package: header, E:Problem with
  MergeList /var/lib/apt/lists/us.archive.ubuntu
  .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
  package lists or status file could not be parsed or opened.'
 
  WORKAROUND:
  Remove problematic files from /var/lib/apt/lists/ and rerun apt-get update.
 
  In the event that one is connected to a network with a proxy server
  that returns html pages (like a web page requesting you to login) and
  not package list files.   Those html files will get downloaded to
  /var/lib/apt/lists/ and prevent someone from using a package manager
  until the problem html pages are removed.
 
  TEST CASE:
  1) download the dummy-proxy attachment from this bug report
  2) run dummy-proxy (python dummy-proxy) on a precise system (this simulates 
 a proxy that is not allowing access to archive.ubuntu.com and gives you   
 garbage html instead)
  2.5) Execute 'sudo -i' in a terminal
  3) Execute 'http_proxy=http://localhost:8080 apt-get update' in same terminal
  4) Observe the following error messages in your terminal:
  W: GPG error: http://archive.ubuntu.com precise InRelease: File 
 /var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_InRelease 
 doesn't  start with a clearsigned message
  W: Failed to fetch 
 http://archive.ubuntu.com/ubuntu/dists/precise/multiverse/i18n/Index  No Hash 
 entry in Release file /var/lib/apt/lists/partial/
 archive.ubuntu.com_ubuntu_dists_precise_multiverse_i18n_Index
  W: Failed to fetch 
 gzip:/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_multiverse_source_Sources
  Encountered a section with noPackage: header
  5) Stop dummy-proxy
  6) Execute 'sudo apt-get update' in a terminal
  7) Observe the following error message:
  Reading package lists... Done
  W: GPG error: http://archive.ubuntu.com precise Release: The following 
 signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic 
  Signing Key ftpmas...@ubuntu.com
  8) Remove the problematic files in /var/lib/apt/lists (sudo rm 
 /var/lib/apt/lists/*)
 
  Install apt from -proposed
  1) run dummy-proxy (python dummy-proxy) on a precise system (this simulates 
 a proxy that is not allowing access to archive.ubuntu.com and gives you   
 garbarge html instead)
  1.5) Execute 'sudo -i' in a terminal
  2) Execute 'http_proxy=http://localhost:8080 apt-get update' in same terminal
  3) Observe the following error messages in your terminal:
  W: A error occurred during the signature verification. The repository is not 
 updated and the previous index files will be used. GPG error: http://
 archive.ubuntu.com precise Release: The following signatures were invalid: 
 NODATA 1 NODATA 2
  W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/precise/Release
  W: Some index files failed to download. They have been ignored, or old ones 
 used instead.
  4) Stop dummy-proxy
  5) Execute 'sudo apt-get update' in a terminal
  6) Observe the update succeed
 
 To manage notifications about this bug go to:
 https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Dany]

The suggested work around was not correct in my case as there was a
directory under the /lists directory named 'partial'. Work around was
rmdir /var/lib/apt/lists/partial and then run apt-get update.

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[fulvio]

Many thanks for the help, i'll try to do every step you advice me :-)


2013/10/17 Vladimir Plotnikov 346...@bugs.launchpad.net

 same problem on dist-upgrade from 13.04 to 13.10

 --
 You received this bug notification because you are subscribed to a
 duplicate bug report (1095148).
 https://bugs.launchpad.net/bugs/346386

 Title:
   [MASTER] Update fails with invalid package files with Encountered a
   section with no Package: header

 Status in “apt” package in Ubuntu:
   Fix Released
 Status in “apt” source package in Natty:
   Fix Released
 Status in “apt” source package in Precise:
   Fix Released
 Status in “apt” package in Debian:
   Fix Released

 Bug description:
   Binary package hint: adept-updater

   Pertinent data printed when attempting to run Updater as follows:

   An unresolvable problem occurred while initializing the package
   information.

   Please report this bug against the 'update-manager' package and
   include the following error message:

   'E:Encountered a section with no Package: header, E:Problem with
   MergeList /var/lib/apt/lists/us.archive.ubuntu
   .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
   package lists or status file could not be parsed or opened.'

   WORKAROUND:
   Remove problematic files from /var/lib/apt/lists/ and rerun apt-get
 update.

   In the event that one is connected to a network with a proxy server
   that returns html pages (like a web page requesting you to login) and
   not package list files.   Those html files will get downloaded to
   /var/lib/apt/lists/ and prevent someone from using a package manager
   until the problem html pages are removed.

   TEST CASE:
   1) download the dummy-proxy attachment from this bug report
   2) run dummy-proxy (python dummy-proxy) on a precise system (this
 simulates a proxy that is not allowing access to archive.ubuntu.com and
 gives you   garbage html instead)
   2.5) Execute 'sudo -i' in a terminal
   3) Execute 'http_proxy=http://localhost:8080 apt-get update' in same
 terminal
   4) Observe the following error messages in your terminal:
   W: GPG error: http://archive.ubuntu.com precise InRelease: File
 /var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_InRelease
 doesn't  start with a clearsigned message
   W: Failed to fetch
 http://archive.ubuntu.com/ubuntu/dists/precise/multiverse/i18n/Index  No
 Hash entry in Release file /var/lib/apt/lists/partial/
  archive.ubuntu.com_ubuntu_dists_precise_multiverse_i18n_Index
   W: Failed to fetch
 gzip:/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_multiverse_source_Sources
 Encountered a section with noPackage: header
   5) Stop dummy-proxy
   6) Execute 'sudo apt-get update' in a terminal
   7) Observe the following error message:
   Reading package lists... Done
   W: GPG error: http://archive.ubuntu.com precise Release: The following
 signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic
Signing Key ftpmas...@ubuntu.com
   8) Remove the problematic files in /var/lib/apt/lists (sudo rm
 /var/lib/apt/lists/*)

   Install apt from -proposed
   1) run dummy-proxy (python dummy-proxy) on a precise system (this
 simulates a proxy that is not allowing access to archive.ubuntu.com and
 gives you   garbarge html instead)
   1.5) Execute 'sudo -i' in a terminal
   2) Execute 'http_proxy=http://localhost:8080 apt-get update' in same
 terminal
   3) Observe the following error messages in your terminal:
   W: A error occurred during the signature verification. The repository is
 not updated and the previous index files will be used. GPG error: http://
 archive.ubuntu.com precise Release: The following signatures were
 invalid: NODATA 1 NODATA 2
   W: Failed to fetch
 http://archive.ubuntu.com/ubuntu/dists/precise/Release
   W: Some index files failed to download. They have been ignored, or old
 ones used instead.
   4) Stop dummy-proxy
   5) Execute 'sudo apt-get update' in a terminal
   6) Observe the update succeed

 To manage notifications about this bug go to:
 https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions


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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Vladimir Plotnikov]

same problem on dist-upgrade from 13.04 to 13.10

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Launchpad Bug Tracker]

This bug was fixed in the package apt - 0.8.16~exp12ubuntu10.5

---
apt (0.8.16~exp12ubuntu10.5) precise-proposed; urgency=low

  * apt-pkg/pkgcachegen.cc:
- Fix crash if the cache is remapped while writing a Provides version
  (LP: #1066445).

apt (0.8.16~exp12ubuntu10.4) precise-proposed; urgency=low

  [ David Kalnischkies ]
  * apt-pkg/packagemanager.cc:
- do not run into loop on new-pre-depends-breaks (Closes: #673536)
  LP: #1050791
  * apt-pkg/cachefile.cc:
- clean up lost atomic cachefiles with 'clean' (Closes: #650513)
  LP: #1050779

  [ TJ ]
  * apt-pkg/contrib/netrc.cc:
- increase LOGINSIZE/PASSWORDSIZE limits and add proper error
  if the limits are reached (LP: #1065429)

  [ Michael Vogt ]
  * lp:~mvo/apt/lp346386-precise:
- fail gracefully when a InRelease file is not valid, e.g. behind
  paywalls (LP: #346386)
 -- Colin Watson cjwat...@ubuntu.com   Mon, 15 Oct 2012 05:42:45 +0100

** Changed in: apt (Ubuntu Precise)
   Status: Fix Committed = Fix Released

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Brian Murray]

Using apt version 0.8.16~exp12ubuntu10.5 from precise-proposed I
followed the test case in the bug description and observed the behavior
expected from the package in proposed and no longer received the merge
list error message.

** Description changed:

  Binary package hint: adept-updater
  
  Pertinent data printed when attempting to run Updater as follows:
  
  An unresolvable problem occurred while initializing the package
  information.
  
  Please report this bug against the 'update-manager' package and include
  the following error message:
  
  'E:Encountered a section with no Package: header, E:Problem with
  MergeList /var/lib/apt/lists/us.archive.ubuntu
  .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The package
  lists or status file could not be parsed or opened.'
  
  WORKAROUND:
  Remove problematic files from /var/lib/apt/lists/ and rerun apt-get update.
  
  In the event that one is connected to a network with a proxy server that
  returns html pages (like a web page requesting you to login) and not
  package list files.   Those html files will get downloaded to
  /var/lib/apt/lists/ and prevent someone from using a package manager
  until the problem html pages are removed.
  
  TEST CASE:
  1) download the dummy-proxy attachment from this bug report
  2) run dummy-proxy (python dummy-proxy) on a precise system (this simulates a 
proxy that is not allowing access to archive.ubuntu.com and gives you   garbage 
html instead)
- 3) Execute 'http://localhost:8080 sudo apt-get update' in a terminal
+ 2.5) Execute 'sudo -i' in a terminal
+ 3) Execute 'http://localhost:8080 apt-get update' in same terminal
  4) Observe the following error messages in your terminal:
  W: GPG error: http://archive.ubuntu.com precise InRelease: File 
/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_InRelease 
doesn't  start with a clearsigned message
  W: Failed to fetch 
http://archive.ubuntu.com/ubuntu/dists/precise/multiverse/i18n/Index  No Hash 
entry in Release file /var/lib/apt/lists/partial/
archive.ubuntu.com_ubuntu_dists_precise_multiverse_i18n_Index
  W: Failed to fetch 
gzip:/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_multiverse_source_Sources
 Encountered a section with noPackage: header
  5) Stop dummy-proxy
  6) Execute 'sudo apt-get update' in a terminal
  7) Observe the following error message:
  Reading package lists... Done
  W: GPG error: http://archive.ubuntu.com precise Release: The following 
signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic  
Signing Key ftpmas...@ubuntu.com
  8) Remove the problematic files in /var/lib/apt/lists (sudo rm 
/var/lib/apt/lists/*)
  
  Install apt from -proposed
  1) run dummy-proxy (python dummy-proxy) on a precise system (this simulates a 
proxy that is not allowing access to archive.ubuntu.com and gives you   
garbarge html instead)
- 2) Execute 'http://localhost:8080 sudo apt-get update' in a terminal
+ 1.5) Execute 'sudo -i' in a terminal
+ 2) Execute 'http://localhost:8080 apt-get update' in same terminal
  3) Observe the following error messages in your terminal:
  W: A error occurred during the signature verification. The repository is not 
updated and the previous index files will be used. GPG error: http://
archive.ubuntu.com precise Release: The following signatures were invalid: 
NODATA 1 NODATA 2
  W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/precise/Release
  W: Some index files failed to download. They have been ignored, or old ones 
used instead.
  4) Stop dummy-proxy
  5) Execute 'sudo apt-get update' in a terminal
  6) Observe the update succeed

** Tags removed: verification-needed
** Tags added: verification-done

** Description changed:

  Binary package hint: adept-updater
  
  Pertinent data printed when attempting to run Updater as follows:
  
  An unresolvable problem occurred while initializing the package
  information.
  
  Please report this bug against the 'update-manager' package and include
  the following error message:
  
  'E:Encountered a section with no Package: header, E:Problem with
  MergeList /var/lib/apt/lists/us.archive.ubuntu
  .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The package
  lists or status file could not be parsed or opened.'
  
  WORKAROUND:
  Remove problematic files from /var/lib/apt/lists/ and rerun apt-get update.
  
  In the event that one is connected to a network with a proxy server that
  returns html pages (like a web page requesting you to login) and not
  package list files.   Those html files will get downloaded to
  /var/lib/apt/lists/ and prevent someone from using a package manager
  until the problem html pages are removed.
  
  TEST CASE:
  1) download the dummy-proxy attachment from this bug report
  2) run dummy-proxy (python dummy-proxy) on a precise system (this simulates a 
proxy that is not allowing access to archive.ubuntu.com and gives you   garbage 
html 

Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Chris Hunt]

Brian
Thanks for this.
When I go to delete the file I don’t have permission.
Why is that, can you help.
Thanks
Chris Hunt


On 10/10/12 22:17, Brian Murray wrote:
 ** Changed in: apt (Ubuntu Precise)
 Status: Confirmed = Fix Committed

 ** Changed in: apt (Ubuntu Precise)
 Importance: Undecided = High


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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

To manage notifications about this bug go to:
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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Manuel Spuhler]

Hey Chris

You can delete it in the Terminal with root:
sudo rm /...
or you can open Nautilus with root:
sudo nautilus
an there delete it.

Bye
Manuel Spuhler

Am 12.10.2012 09:25, schrieb Chris Hunt:
 Brian
 Thanks for this.
 When I go to delete the file I don’t have permission.
 Why is that, can you help.
 Thanks
 Chris Hunt


 On 10/10/12 22:17, Brian Murray wrote:
 ** Changed in: apt (Ubuntu Precise)
  Status: Confirmed = Fix Committed

 ** Changed in: apt (Ubuntu Precise)
  Importance: Undecided = High


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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[David Parry]

sudo before the command then you will
David Parry


On Fri, Oct 12, 2012 at 3:25 AM, Chris Hunt 346...@bugs.launchpad.net wrote:
 Brian
 Thanks for this.
 When I go to delete the file I don’t have permission.
 Why is that, can you help.
 Thanks
 Chris Hunt


 On 10/10/12 22:17, Brian Murray wrote:
 ** Changed in: apt (Ubuntu Precise)
 Status: Confirmed = Fix Committed

 ** Changed in: apt (Ubuntu Precise)
 Importance: Undecided = High


 --
 You received this bug notification because you are subscribed to a
 duplicate bug report (1064994).
 https://bugs.launchpad.net/bugs/346386

 Title:
   [MASTER] Update fails with invalid package files with Encountered a
   section with no Package: header

 Status in “apt” package in Ubuntu:
   Fix Released
 Status in “apt” source package in Natty:
   Fix Released
 Status in “apt” source package in Precise:
   Fix Committed
 Status in “apt” package in Debian:
   Fix Released

 Bug description:
   Binary package hint: adept-updater

   Pertinent data printed when attempting to run Updater as follows:

   An unresolvable problem occurred while initializing the package
   information.

   Please report this bug against the 'update-manager' package and
   include the following error message:

   'E:Encountered a section with no Package: header, E:Problem with
   MergeList /var/lib/apt/lists/us.archive.ubuntu
   .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
   package lists or status file could not be parsed or opened.'

   WORKAROUND:
   Remove problematic files from /var/lib/apt/lists/ and rerun apt-get update.

   In the event that one is connected to a network with a proxy server
   that returns html pages (like a web page requesting you to login) and
   not package list files.   Those html files will get downloaded to
   /var/lib/apt/lists/ and prevent someone from using a package manager
   until the problem html pages are removed.

   TEST CASE:
   1) download the dummy-proxy attachment from this bug report
   2) run dummy-proxy (python dummy-proxy) on a precise system (this simulates 
 a proxy that is not allowing access to archive.ubuntu.com and gives you   
 garbage html instead)
   3) Execute 'http://localhost:8080 sudo apt-get update' in a terminal
   4) Observe the following error messages in your terminal:
   W: GPG error: http://archive.ubuntu.com precise InRelease: File 
 /var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_InRelease 
 doesn't  start with a clearsigned message
   W: Failed to fetch 
 http://archive.ubuntu.com/ubuntu/dists/precise/multiverse/i18n/Index  No Hash 
 entry in Release file /var/lib/apt/lists/partial/
 archive.ubuntu.com_ubuntu_dists_precise_multiverse_i18n_Index
   W: Failed to fetch 
 gzip:/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_multiverse_source_Sources
  Encountered a section with noPackage: header
   5) Stop dummy-proxy
   6) Execute 'sudo apt-get update' in a terminal
   7) Observe the following error message:
   Reading package lists... Done
   W: GPG error: http://archive.ubuntu.com precise Release: The following 
 signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic 
  Signing Key ftpmas...@ubuntu.com
   8) Remove the problematic files in /var/lib/apt/lists (sudo rm 
 /var/lib/apt/lists/*)

   Install apt from -proposed
   1) run dummy-proxy (python dummy-proxy) on a precise system (this simulates 
 a proxy that is not allowing access to archive.ubuntu.com and gives you   
 garbarge html instead)
   2) Execute 'http://localhost:8080 sudo apt-get update' in a terminal
   3) Observe the following error messages in your terminal:
   W: A error occurred during the signature verification. The repository is 
 not updated and the previous index files will be used. GPG error: http://
 archive.ubuntu.com precise Release: The following signatures were invalid: 
 NODATA 1 NODATA 2
   W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/precise/Release
   W: Some index files failed to download. They have been ignored, or old ones 
 used instead.
   4) Stop dummy-proxy
   5) Execute 'sudo apt-get update' in a terminal
   6) Observe the update succeed

 To manage notifications about this bug go to:
 https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Kayode Odusote]

Has this bug been fixed or not and if it is has been fixed is the
update available with Update Manager?

I had the same problem recently whilst doing an update with the Update
Manager of 12.04 LTS and had to resort to the work around to fix it.

In fact, sudo rm /var/lib/apt/lists/* did not remove the
.../lists/partial directory but I left it and did the sudo apt-get
update successfully.

Hope someone can find a permanent solution to this.

Kayode



On 10/10/12, Brian Murray br...@ubuntu.com wrote:
 Attached you'll find dummy-proxy referred to in the test case and from
 Colin Watson in bug 24061.

 ** Description changed:

   Binary package hint: adept-updater

   Pertinent data printed when attempting to run Updater as follows:

   An unresolvable problem occurred while initializing the package
   information.

   Please report this bug against the 'update-manager' package and include
   the following error message:

   'E:Encountered a section with no Package: header, E:Problem with
   MergeList /var/lib/apt/lists/us.archive.ubuntu
   .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The package
   lists or status file could not be parsed or opened.'

   WORKAROUND:
   Remove problematic files from /var/lib/apt/lists/ and rerun apt-get
 update.

   In the event that one is connected to a network with a proxy server that
   returns html pages (like a web page requesting you to login) and not
   package list files.   Those html files will get downloaded to
   /var/lib/apt/lists/ and prevent someone from using a package manager
   until the problem html pages are removed.

   TEST CASE:
 - 1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
 - 2) Setup proxy server to block access to archive.ubuntu.com and return
 something like http://people.canonical.com/~brian/tmp/not-packages.html
 - 3) Execute 'sudo apt-get update' in a terminal
 - 4) Observe the following:
 - 'E: Encountered a section with no Package: header
 -  E: Problem with MergeList
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
 -  E: The package lists or status file could not be parsed or opened.'
 - 5) Try 'apt-cache policy apt' and be sad that it doesn't work
 - 6) run 'sudo rm /var/lib/apt/lists/*Packages' to clear the error.
 + 1) download the dummy-proxy attachment from this bug report
 + 2) run dummy-proxy (python dummy-proxy) on a precise system (this
 simulates a proxy that is not allowing access to archive.ubuntu.com and
 gives you   garbage html instead)
 + 3) Execute 'http://localhost:8080 sudo apt-get update' in a terminal
 + 4) Observe the following error messages in your terminal:
 + W: GPG error: http://archive.ubuntu.com precise InRelease: File
 /var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_InRelease
 doesn't  start with a clearsigned message
 + W: Failed to fetch
 http://archive.ubuntu.com/ubuntu/dists/precise/multiverse/i18n/Index  No
 Hash entry in Release file /var/lib/apt/lists/partial/
 archive.ubuntu.com_ubuntu_dists_precise_multiverse_i18n_Index
 + W: Failed to fetch
 gzip:/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_multiverse_source_Sources
 Encountered a section with noPackage: header
 + 5) Stop dummy-proxy
 + 6) Execute 'sudo apt-get update' in a terminal
 + 7) Observe the following error message:
 + Reading package lists... Done
 + W: GPG error: http://archive.ubuntu.com precise Release: The following
 signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic
   Signing Key ftpmas...@ubuntu.com
 + 8) Remove the problematic files in /var/lib/apt/lists (sudo rm
 /var/lib/apt/lists/*)

 - With the proposed package installed repeat steps 1 to 3.
 - 4) Observe the following:
 - ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
 - Ign http://archive.ubuntu.com oneiric InRelease
 - E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following
 signatures were invalid: NODATA 1 NODATA 2'
 - 5) Try 'apt-cache policy apt' and be happy that it works
 + Install apt from -proposed
 + 1) run dummy-proxy (python dummy-proxy) on a precise system (this
 simulates a proxy that is not allowing access to archive.ubuntu.com and
 gives you   garbarge html instead)
 + 2) Execute 'http://localhost:8080 sudo apt-get update' in a terminal
 + 3) Observe the following error messages in your terminal:
 + W: A error occurred during the signature verification. The repository is
 not updated and the previous index files will be used. GPG error: http://
 archive.ubuntu.com precise Release: The following signatures were invalid:
 NODATA 1 NODATA 2
 + W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/precise/Release
 + W: Some index files failed to download. They have been ignored, or old
 ones used instead.
 + 4) Stop dummy-proxy
 + 5) Execute 'sudo apt-get update' in a terminal
 + 6) Observe the update succeed

 ** Attachment added: dummy-proxy

 

RE: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[ric]

Hi Kayode.

Pls close case then.


Thank you,



_
Privileged / Confidential information may be contained in this message. If you 
are not the intended recipient, you must not copy, distribute or use it for any 
purpose, nor disclose its contents to any other person. Please notify the 
sender immediately if you have received this in error.
 
 
 

 
 


-Original Message-
From: boun...@canonical.com [mailto:boun...@canonical.com] On Behalf Of Kayode 
Odusote
Sent: Thursday, October 11, 2012 5:11 PM
To: Ricarte Malda Jr
Subject: Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files 
with Encountered a section with no Package: header

Has this bug been fixed or not and if it is has been fixed is the update
available with Update Manager?

I had the same problem recently whilst doing an update with the Update
Manager of 12.04 LTS and had to resort to the work around to fix it.

In fact, sudo rm /var/lib/apt/lists/* did not remove the
.../lists/partial directory but I left it and did the sudo apt-get
update successfully.

Hope someone can find a permanent solution to this.

Kayode


On 10/10/12, Brian Murray br...@ubuntu.com wrote:
 Attached you'll find dummy-proxy referred to in the test case and from 
 Colin Watson in bug 24061.

 ** Description changed:

   Binary package hint: adept-updater

   Pertinent data printed when attempting to run Updater as follows:

   An unresolvable problem occurred while initializing the package
   information.

   Please report this bug against the 'update-manager' package and include
   the following error message:

   'E:Encountered a section with no Package: header, E:Problem with
   MergeList /var/lib/apt/lists/us.archive.ubuntu
   .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The package
   lists or status file could not be parsed or opened.'

   WORKAROUND:
   Remove problematic files from /var/lib/apt/lists/ and rerun apt-get 
 update.

   In the event that one is connected to a network with a proxy server that
   returns html pages (like a web page requesting you to login) and not
   package list files.   Those html files will get downloaded to
   /var/lib/apt/lists/ and prevent someone from using a package manager
   until the problem html pages are removed.

   TEST CASE:
 - 1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
 - 2) Setup proxy server to block access to archive.ubuntu.com and 
 return something like 
 http://people.canonical.com/~brian/tmp/not-packages.html
 - 3) Execute 'sudo apt-get update' in a terminal
 - 4) Observe the following:
 - 'E: Encountered a section with no Package: header
 -  E: Problem with MergeList
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-a
 md64_Packages
 -  E: The package lists or status file could not be parsed or opened.'
 - 5) Try 'apt-cache policy apt' and be sad that it doesn't work
 - 6) run 'sudo rm /var/lib/apt/lists/*Packages' to clear the error.
 + 1) download the dummy-proxy attachment from this bug report
 + 2) run dummy-proxy (python dummy-proxy) on a precise system (this
 simulates a proxy that is not allowing access to archive.ubuntu.com and
 gives you   garbage html instead)
 + 3) Execute 'http://localhost:8080 sudo apt-get update' in a terminal
 + 4) Observe the following error messages in your terminal:
 + W: GPG error: http://archive.ubuntu.com precise InRelease: File
 /var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_InR
 elease doesn't  start with a clearsigned message
 + W: Failed to fetch
 http://archive.ubuntu.com/ubuntu/dists/precise/multiverse/i18n/Index  
 No Hash entry in Release file /var/lib/apt/lists/partial/ 
 archive.ubuntu.com_ubuntu_dists_precise_multiverse_i18n_Index
 + W: Failed to fetch
 gzip:/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_multiverse_source_Sources
 Encountered a section with noPackage: header
 + 5) Stop dummy-proxy
 + 6) Execute 'sudo apt-get update' in a terminal
 + 7) Observe the following error message:
 + Reading package lists... Done
 + W: GPG error: http://archive.ubuntu.com precise Release: The 
 + following
 signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic
   Signing Key ftpmas...@ubuntu.com
 + 8) Remove the problematic files in /var/lib/apt/lists (sudo rm
 /var/lib/apt/lists/*)

 - With the proposed package installed repeat steps 1 to 3.
 - 4) Observe the following:
 - ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
 - Ign http://archive.ubuntu.com oneiric InRelease
 - E: GPG error: http://archive.ubuntu.com oneiric InRelease: The 
 following signatures were invalid: NODATA 1 NODATA 2'
 - 5) Try 'apt-cache policy apt' and be happy that it works
 + Install apt from -proposed
 + 1) run dummy-proxy (python dummy-proxy) on a precise system (this
 simulates a proxy that is not allowing access to archive.ubuntu.com and
 gives you   garbarge html 

Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Kayode Odusote]

Dear Ric,

If we close the case now then it would never be fixed and we would be
dependent of the work around permanently.

Kayode



On 10/11/12, ric ricar...@sim.edu.sg wrote:
 Hi Kayode.

 Pls close case then.


 Thank you,



 _
 Privileged / Confidential information may be contained in this message. If
 you are not the intended recipient, you must not copy, distribute or use it
 for any purpose, nor disclose its contents to any other person. Please
 notify the sender immediately if you have received this in error.








 -Original Message-
 From: boun...@canonical.com [mailto:boun...@canonical.com] On Behalf Of
 Kayode Odusote
 Sent: Thursday, October 11, 2012 5:11 PM
 To: Ricarte Malda Jr
 Subject: Re: [Bug 346386] Re: [MASTER] Update fails with invalid package
 files with Encountered a section with no Package: header

 Has this bug been fixed or not and if it is has been fixed is the update
 available with Update Manager?

 I had the same problem recently whilst doing an update with the Update
 Manager of 12.04 LTS and had to resort to the work around to fix it.

 In fact, sudo rm /var/lib/apt/lists/* did not remove the
 .../lists/partial directory but I left it and did the sudo apt-get
 update successfully.

 Hope someone can find a permanent solution to this.

 Kayode


 On 10/10/12, Brian Murray br...@ubuntu.com wrote:
 Attached you'll find dummy-proxy referred to in the test case and from
 Colin Watson in bug 24061.

 ** Description changed:

   Binary package hint: adept-updater

   Pertinent data printed when attempting to run Updater as follows:

   An unresolvable problem occurred while initializing the package
   information.

   Please report this bug against the 'update-manager' package and include
   the following error message:

   'E:Encountered a section with no Package: header, E:Problem with
   MergeList /var/lib/apt/lists/us.archive.ubuntu
   .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
 package
   lists or status file could not be parsed or opened.'

   WORKAROUND:
   Remove problematic files from /var/lib/apt/lists/ and rerun apt-get
 update.

   In the event that one is connected to a network with a proxy server
 that
   returns html pages (like a web page requesting you to login) and not
   package list files.   Those html files will get downloaded to
   /var/lib/apt/lists/ and prevent someone from using a package manager
   until the problem html pages are removed.

   TEST CASE:
 - 1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
 - 2) Setup proxy server to block access to archive.ubuntu.com and
 return something like
 http://people.canonical.com/~brian/tmp/not-packages.html
 - 3) Execute 'sudo apt-get update' in a terminal
 - 4) Observe the following:
 - 'E: Encountered a section with no Package: header
 -  E: Problem with MergeList
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-a
 md64_Packages
 -  E: The package lists or status file could not be parsed or opened.'
 - 5) Try 'apt-cache policy apt' and be sad that it doesn't work
 - 6) run 'sudo rm /var/lib/apt/lists/*Packages' to clear the error.
 + 1) download the dummy-proxy attachment from this bug report
 + 2) run dummy-proxy (python dummy-proxy) on a precise system (this
 simulates a proxy that is not allowing access to archive.ubuntu.com and
 gives you   garbage html instead)
 + 3) Execute 'http://localhost:8080 sudo apt-get update' in a terminal
 + 4) Observe the following error messages in your terminal:
 + W: GPG error: http://archive.ubuntu.com precise InRelease: File
 /var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_InR
 elease doesn't  start with a clearsigned message
 + W: Failed to fetch
 http://archive.ubuntu.com/ubuntu/dists/precise/multiverse/i18n/Index
 No Hash entry in Release file /var/lib/apt/lists/partial/
 archive.ubuntu.com_ubuntu_dists_precise_multiverse_i18n_Index
 + W: Failed to fetch
 gzip:/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_multiverse_source_Sources
 Encountered a section with noPackage: header
 + 5) Stop dummy-proxy
 + 6) Execute 'sudo apt-get update' in a terminal
 + 7) Observe the following error message:
 + Reading package lists... Done
 + W: GPG error: http://archive.ubuntu.com precise Release: The
 + following
 signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic
   Signing Key ftpmas...@ubuntu.com
 + 8) Remove the problematic files in /var/lib/apt/lists (sudo rm
 /var/lib/apt/lists/*)

 - With the proposed package installed repeat steps 1 to 3.
 - 4) Observe the following:
 - ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
 - Ign http://archive.ubuntu.com oneiric InRelease
 - E: GPG error: http://archive.ubuntu.com oneiric InRelease: The
 following signatures were invalid: NODATA 1 NODATA 2'
 - 5) Try 'apt-cache policy apt' and be happy that it works
 + Install apt 

[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Brian Murray]

This bug report has multiple 'tasks' for the different releases in which
it needs to be fixed.  We have fixed this in the Quantal release of
Ubuntu which will become 12.10.  We are also actively working on fixing
this in the 12.04 release of Ubuntu.  When an updated version of apt is
in the -proposed repository for 12.04 there will be a comment made on
this bug report and it will contain information about how you can help
test the fix so that we can move the package to the -updates repository.

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

To manage notifications about this bug go to:
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Brian Murray]

Hello RonParent, or anyone else affected,

Accepted apt into precise-proposed. The package will build now and be
available at
http://launchpad.net/ubuntu/+source/apt/0.8.16~exp12ubuntu10.4 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please change the bug tag from
verification-needed to verification-done.  If it does not, change the
tag to verification-failed.  In either case, details of your testing
will help us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Tags removed: verification-done

** Tags added: verification-needed

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Launchpad Bug Tracker]

** Branch linked: lp:ubuntu/precise-proposed/apt

-- 
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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Brian Murray]

** Changed in: apt (Ubuntu Precise)
   Status: Confirmed = Fix Committed

** Changed in: apt (Ubuntu Precise)
   Importance: Undecided = High

-- 
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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Brian Murray]

Attached you'll find dummy-proxy referred to in the test case and from
Colin Watson in bug 24061.

** Description changed:

  Binary package hint: adept-updater
  
  Pertinent data printed when attempting to run Updater as follows:
  
  An unresolvable problem occurred while initializing the package
  information.
  
  Please report this bug against the 'update-manager' package and include
  the following error message:
  
  'E:Encountered a section with no Package: header, E:Problem with
  MergeList /var/lib/apt/lists/us.archive.ubuntu
  .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The package
  lists or status file could not be parsed or opened.'
  
  WORKAROUND:
  Remove problematic files from /var/lib/apt/lists/ and rerun apt-get update.
  
  In the event that one is connected to a network with a proxy server that
  returns html pages (like a web page requesting you to login) and not
  package list files.   Those html files will get downloaded to
  /var/lib/apt/lists/ and prevent someone from using a package manager
  until the problem html pages are removed.
  
  TEST CASE:
- 1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
- 2) Setup proxy server to block access to archive.ubuntu.com and return 
something like http://people.canonical.com/~brian/tmp/not-packages.html
- 3) Execute 'sudo apt-get update' in a terminal
- 4) Observe the following:
- 'E: Encountered a section with no Package: header
-  E: Problem with MergeList 
/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
-  E: The package lists or status file could not be parsed or opened.'
- 5) Try 'apt-cache policy apt' and be sad that it doesn't work
- 6) run 'sudo rm /var/lib/apt/lists/*Packages' to clear the error.
+ 1) download the dummy-proxy attachment from this bug report
+ 2) run dummy-proxy (python dummy-proxy) on a precise system (this simulates a 
proxy that is not allowing access to archive.ubuntu.com and gives you   garbage 
html instead)
+ 3) Execute 'http://localhost:8080 sudo apt-get update' in a terminal
+ 4) Observe the following error messages in your terminal:
+ W: GPG error: http://archive.ubuntu.com precise InRelease: File 
/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_InRelease 
doesn't  start with a clearsigned message
+ W: Failed to fetch 
http://archive.ubuntu.com/ubuntu/dists/precise/multiverse/i18n/Index  No Hash 
entry in Release file /var/lib/apt/lists/partial/
archive.ubuntu.com_ubuntu_dists_precise_multiverse_i18n_Index
+ W: Failed to fetch 
gzip:/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_precise_multiverse_source_Sources
 Encountered a section with noPackage: header
+ 5) Stop dummy-proxy
+ 6) Execute 'sudo apt-get update' in a terminal
+ 7) Observe the following error message:
+ Reading package lists... Done
+ W: GPG error: http://archive.ubuntu.com precise Release: The following 
signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic  
Signing Key ftpmas...@ubuntu.com
+ 8) Remove the problematic files in /var/lib/apt/lists (sudo rm 
/var/lib/apt/lists/*)
  
- With the proposed package installed repeat steps 1 to 3.
- 4) Observe the following:
- ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
- Ign http://archive.ubuntu.com oneiric InRelease
- E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following 
signatures were invalid: NODATA 1 NODATA 2'
- 5) Try 'apt-cache policy apt' and be happy that it works
+ Install apt from -proposed
+ 1) run dummy-proxy (python dummy-proxy) on a precise system (this simulates a 
proxy that is not allowing access to archive.ubuntu.com and gives you   
garbarge html instead)
+ 2) Execute 'http://localhost:8080 sudo apt-get update' in a terminal
+ 3) Observe the following error messages in your terminal:
+ W: A error occurred during the signature verification. The repository is not 
updated and the previous index files will be used. GPG error: http://
archive.ubuntu.com precise Release: The following signatures were invalid: 
NODATA 1 NODATA 2
+ W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/precise/Release
+ W: Some index files failed to download. They have been ignored, or old ones 
used instead.
+ 4) Stop dummy-proxy
+ 5) Execute 'sudo apt-get update' in a terminal
+ 6) Observe the update succeed

** Attachment added: dummy-proxy
   
https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+attachment/3393829/+files/dummy-proxy

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: apt (Ubuntu Precise)
   Status: New = Confirmed

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Clint Byrum]

** Also affects: apt (Ubuntu Precise)
   Importance: Undecided
   Status: New

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Ursula Junque]

I'm using quantal and I can confirm it still happens. (I'd mark the bug
as affecting me too, but LP is timing out consistently)

Using apt version 0.9.7.5ubuntu2.

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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Tadhg McSherry]

Thank you, appreciated.

On 6 September 2012 20:36, Launchpad Bug Tracker
346...@bugs.launchpad.netwrote:

 This bug was fixed in the package apt - 0.9.7.5ubuntu2

 ---
 apt (0.9.7.5ubuntu2) quantal; urgency=low

   Merged from lp:~donkult/apt/experimental:

   [ David Kalnischkies ]
   * apt-pkg/contrib/strutl.cc:
 - support \n and \r\n line endings in ReadMessages

   [ Michael Vogt ]
   * lp:~mvo/apt/webserver-simulate-broken-with-fix346386:
 - merge fix for LP: #346386


   Merged from http://bzr.debian.org/bzr/apt/apt/debian-sid:

   [ David Kalnischkies ]
   * apt-pkg/cdrom.cc:
 - copy only configured translation files from a CD-ROM and not all
   available translation files preventing new installs with d-i from
   being initialized with all translations (Closes: #678227)
 - handle Components in the reduction for the source.list as multi-arch
 CDs
   otherwise create duplicated source entries (e.g. wheezy main main)
   * apt-pkg/packagemanager.cc:
 - unpack versions only in case a different version from the package
   is currently in unpack state to recover from broken system states
   (like different file in M-A:same package and other dpkg errors)
   and avoid re-unpack otherwise (Closes: #670900)
   * debian/control:
 - let libapt-pkg break apt  0.9.4 to ensure that the installed http-
   method supports the new redirection-style, thanks to Raphael Geissert
   for reporting  testing (Closes: #685192)
   * doc/apt_preferences.5.xml:
 - use the correct interval (x = P  y) for pin value documentation as
   these are the intervals used by the code (Closes: #685989)
   * apt-pkg/indexcopy.cc:
 - do not create duplicated flat-archive CD-ROM sources for foreign
   architectures on multi-arch CD-ROMs
 - do not warn about files which have a record in the Release file, but
   are not present on the CD to mirror the behavior of the other methods
   and to allow uncompressed indexes to be dropped without scaring users
  -- Michael Vogt michael.v...@ubuntu.com   Tue, 04 Sep 2012 15:42:09
 +0200

 ** Changed in: apt (Ubuntu)
Status: Triaged = Fix Released

 --
 You received this bug notification because you are subscribed to a
 duplicate bug report (1000848).
 https://bugs.launchpad.net/bugs/346386

 Title:
   [MASTER] Update fails with invalid package files with Encountered a
   section with no Package: header

 Status in “apt” package in Ubuntu:
   Fix Released
 Status in “apt” source package in Natty:
   Fix Released
 Status in “apt” package in Debian:
   Fix Released

 Bug description:
   Binary package hint: adept-updater

   Pertinent data printed when attempting to run Updater as follows:

   An unresolvable problem occurred while initializing the package
   information.

   Please report this bug against the 'update-manager' package and
   include the following error message:

   'E:Encountered a section with no Package: header, E:Problem with
   MergeList /var/lib/apt/lists/us.archive.ubuntu
   .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
   package lists or status file could not be parsed or opened.'

   WORKAROUND:
   Remove problematic files from /var/lib/apt/lists/ and rerun apt-get
 update.

   In the event that one is connected to a network with a proxy server
   that returns html pages (like a web page requesting you to login) and
   not package list files.   Those html files will get downloaded to
   /var/lib/apt/lists/ and prevent someone from using a package manager
   until the problem html pages are removed.

   TEST CASE:
   1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
   2) Setup proxy server to block access to archive.ubuntu.com and return
 something like http://people.canonical.com/~brian/tmp/not-packages.html
   3) Execute 'sudo apt-get update' in a terminal
   4) Observe the following:
   'E: Encountered a section with no Package: header
E: Problem with MergeList
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
E: The package lists or status file could not be parsed or opened.'
   5) Try 'apt-cache policy apt' and be sad that it doesn't work
   6) run 'sudo rm /var/lib/apt/lists/*Packages' to clear the error.

   With the proposed package installed repeat steps 1 to 3.
   4) Observe the following:
   ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
   Ign http://archive.ubuntu.com oneiric InRelease
   E: GPG error: http://archive.ubuntu.com oneiric InRelease: The
 following signatures were invalid: NODATA 1 NODATA 2'
   5) Try 'apt-cache policy apt' and be happy that it works

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-- 
Tadhg McSherry,
Westbury,
Newtown,
Bonnettstown,
Co. Kilkenny

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Rod J]

This bug is still affecting me  in Kubuntu 12.04 (it's happened twice
this week).  The workaround is fine but why on earth can't the update
manager check that it is actually connected with a bona-fide update
server before downloading anything?

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Scott T Rogers]

Rod J, good question. My system is behind a corporate Barracuda firewall
that resets access every day at midnight. At LEAST once a week,
sometimes daily, I encounter this bug. If this was truly fixed, would it
continue to occur? When I update my system daily?

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Launchpad Bug Tracker]

This bug was fixed in the package apt - 0.9.7.5ubuntu2

---
apt (0.9.7.5ubuntu2) quantal; urgency=low

  Merged from lp:~donkult/apt/experimental:

  [ David Kalnischkies ]
  * apt-pkg/contrib/strutl.cc:
- support \n and \r\n line endings in ReadMessages

  [ Michael Vogt ]
  * lp:~mvo/apt/webserver-simulate-broken-with-fix346386:
- merge fix for LP: #346386


  Merged from http://bzr.debian.org/bzr/apt/apt/debian-sid:

  [ David Kalnischkies ]
  * apt-pkg/cdrom.cc:
- copy only configured translation files from a CD-ROM and not all
  available translation files preventing new installs with d-i from
  being initialized with all translations (Closes: #678227)
- handle Components in the reduction for the source.list as multi-arch CDs
  otherwise create duplicated source entries (e.g. wheezy main main)
  * apt-pkg/packagemanager.cc:
- unpack versions only in case a different version from the package
  is currently in unpack state to recover from broken system states
  (like different file in M-A:same package and other dpkg errors)
  and avoid re-unpack otherwise (Closes: #670900)
  * debian/control:
- let libapt-pkg break apt  0.9.4 to ensure that the installed http-
  method supports the new redirection-style, thanks to Raphael Geissert
  for reporting  testing (Closes: #685192)
  * doc/apt_preferences.5.xml:
- use the correct interval (x = P  y) for pin value documentation as
  these are the intervals used by the code (Closes: #685989)
  * apt-pkg/indexcopy.cc:
- do not create duplicated flat-archive CD-ROM sources for foreign
  architectures on multi-arch CD-ROMs
- do not warn about files which have a record in the Release file, but
  are not present on the CD to mirror the behavior of the other methods
  and to allow uncompressed indexes to be dropped without scaring users
 -- Michael Vogt michael.v...@ubuntu.com   Tue, 04 Sep 2012 15:42:09 +0200

** Changed in: apt (Ubuntu)
   Status: Triaged = Fix Released

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Scott T Rogers]

Has that been released yet? If so, I call shenanigans as this bug still
exists. Case in point: I update my system everyday between 12pm-3pm
Eastern Time. Yet, I had to use the workaround for this bug as recently
as yesterday (September 5, 2012).

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Vincenzo D'Andrea]

I have a 12.04, installed shortly after the release and kept up to date.
Yesterday I was connected to a network with a proxy of the kind
described in the bug description above and today I saw the error
message. The issue was easiily solved removing the files as described in
the workaround.

My conclusion would be that the bug is still around...

thanks!
v.

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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Gustavo Hernandez]

Hello, good afternoon Marc.
  Thank you so much for your directions, I appreciate it. Fortunately I resolve 
the problem about the bug in apt-get, so my laptop is up and running now. 
Thanks again for your time and consideration. Actions like yours consolidate 
the essence of Open Access!

Sincerely,

Gustavo



 De: Marc Deslauriers marc.deslauri...@canonical.com
Para: ghernan...@yahoo.com.mx 
Enviado: Sábado, 11 de agosto, 2012 14:09:12
Asunto: [Bug 346386] Re: [MASTER] Update fails with invalid package files with 
Encountered a section with no Package: header
 
** Tags added: rls-q-incoming

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

Status in “apt” package in Ubuntu:
  Triaged
Status in “apt” source package in Natty:
  Fix Released
Status in “apt” package in Debian:
  Fix Released

Bug description:
  Binary package hint: adept-updater

  Pertinent data printed when attempting to run Updater as follows:

  An unresolvable problem occurred while initializing the package
  information.

  Please report this bug against the 'update-manager' package and
  include the following error message:

  'E:Encountered a section with no Package: header, E:Problem with
  MergeList /var/lib/apt/lists/us.archive.ubuntu
  .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
  package lists or status file could not be parsed or opened.'

  WORKAROUND:
  Remove problematic files from /var/lib/apt/lists/ and rerun apt-get update.

  In the event that one is connected to a network with a proxy server
  that returns html pages (like a web page requesting you to login) and
  not package list files.   Those html files will get downloaded to
  /var/lib/apt/lists/ and prevent someone from using a package manager
  until the problem html pages are removed.

  TEST CASE:
  1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
  2) Setup proxy server to block access to archive.ubuntu.com and return 
something like http://people.canonical.com/~brian/tmp/not-packages.html
  3) Execute 'sudo apt-get update' in a terminal
  4) Observe the following:
  'E: Encountered a section with no Package: header
   E: Problem with MergeList 
/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
   E: The package lists or status file could not be parsed or opened.'
  5) Try 'apt-cache policy apt' and be sad that it doesn't work
  6) run 'sudo rm /var/lib/apt/lists/*Packages' to clear the error.

  With the proposed package installed repeat steps 1 to 3.
  4) Observe the following:
  ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
  Ign http://archive.ubuntu.com oneiric InRelease
  E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following 
signatures were invalid: NODATA 1 NODATA 2'
  5) Try 'apt-cache policy apt' and be happy that it works

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Marc Deslauriers]

** Tags added: rls-q-incoming

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Ravi Kumar]

Thanks the workaround helped me. I am running ubuntu 12.04..

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[abdullahi]

** Changed in: apt (Ubuntu Natty)
 Assignee: (unassigned) = abdullahi (abdupesi)

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Andrea Corbellini]

** Changed in: apt (Ubuntu Natty)
 Assignee: abdullahi (abdupesi) = (unassigned)

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Robert Schroll]

I can confirm this bug on a brand-new install of 12.04.  The files of
/var/lib/apt/lists/ all seem to contain the text about logging in from
the proxy server.  Clearing out this directory solves the problem.

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Michael Vogt]

** Branch linked: lp:~mvo/apt/lp346386

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Michael Vogt]

I can reproduce this problem with:
$ bzr branch lp:~mvo/+junk/fault-injecting-proxy
$ cd fault-injecting-proxy
$ ./faulty-proxy.py --always-send-bogus-page

in a different terminal:
$ sudo http_proxy=http://localhost:8000 apt-get update -qq
W: GPG error: http://ppa.launchpad.net precise InRelease: File 
/var/lib/apt/lists/partial/ppa.launchpad.net_raof_precise-colorhug_ubuntu_dists_precise_InRelease
 doesn't start with a clearsigned message
...

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Julian Andres Klode]

W: GPG error: http://ppa.launchpad.net precise InRelease: File
/var/lib/apt/lists/partial/ppa.launchpad.net_raof_precise-
colorhug_ubuntu_dists_precise_InRelease doesn't start with a clearsigned
message seems like a good thing, not the problem of this bug.

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  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Michael Vogt]

** Patch added: potential fix
   
https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+attachment/3195930/+files/lp346386.diff

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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Michael Vogt]

** Patch added: slightly cleaner alternative, abi risk plus open error no 
longer captured
   
https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+attachment/3195940/+files/lp346386-slightly-cleaner.diff

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Michael Vogt]

Meh, the patch in #79 will need work as the string is a translated
string.

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Julian Andres Klode]

Why is this bug being reused for totally distinct things? This bug was
about invalid files being copied to the /var/lib/apt/lists, not about
something else about InRelease files. This bug should be closed again,
and a new bug should be opened for that other stuff, that actually
explains what the new problem is about.

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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Brian Murray]

The reason that we reopened this bug report is that we are seeing
duplicates of it reported from precise users, which should have a fixed
version of apt installed.  Using the tool lp-bug-dupe-properties from
lptools we can see the following:

./lp-bug-dupe-properties --bug 346386 --rtags
…
precise: 946692 948744 967411 989262 989270 989293 989602 996030 1001769 
1001932 1006103

Of those bug 1006103 has the most details.

I am also able to recreate this bug by performing the following steps:

1) Edit some packages file in  /var/lib/apt/lists/ to be missing a Package: 
line or just remove the whole file
2) Run 'sudo apt-get update'
3) Observe the message 'Encountered a section with no Package: header' … 
'Problem with MergeList'

I took the above steps instead of trying to create a proxy server that
would block access to the archive.  Even if this test is bad it is still
worrisome that we are actively receiving duplicates of this bug.

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Brian Murray]

When I said remove the whole file I meant remove the contents of the
file.

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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Hans Unland]

Hallo Gongqin,

Many thanks for your appreciated answer. This helped a lot. Problem has 
been solved.

Kind regards
Hans


On 07.06.2012 10:51, Gongqin Chen wrote:
 On Thursday, June 7, 2012, Brian Murray wrote:

 The change that fixed this bug was modified in the following merge with
 Debian:

 http://bazaar.launchpad.net/~ubuntu-
 branches/ubuntu/precise/apt/precise/revision/1.5.24

 which states:

 * apt-pkg/acquire-item.{cc,h}:
   - do not check for a Package tag in optional index targets
 like the translations index

 and we can see the code change at:

 http://bazaar.launchpad.net/~ubuntu-
 branches/ubuntu/precise/apt/precise/revision/1.5.24/apt-pkg/acquire-
 item.cc#apt-pkg/acquire-item.cc

 However it is not clear to me how optional and non-optional targets are
 defined and I wonder if these are not misdefined somehow.

 --
 You received this bug notification because you are subscribed to a
 duplicate bug report (783015).
 https://bugs.launchpad.net/bugs/346386

 Title:
   [MASTER] Update fails with invalid package files with Encountered a
   section with no Package: header

 Status in “apt” package in Ubuntu:
   Triaged
 Status in “apt” source package in Natty:
   Fix Released
 Status in “apt” package in Debian:
   Fix Released

 Bug description:
   Binary package hint: adept-updater

   Pertinent data printed when attempting to run Updater as follows:

   An unresolvable problem occurred while initializing the package
   information.

   Please report this bug against the 'update-manager' package and
   include the following error message:

   'E:Encountered a section with no Package: header, E:Problem with
   MergeList /var/lib/apt/lists/us.archive.ubuntu
   .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
   package lists or status file could not be parsed or opened.'

   WORKAROUND:
   Remove problematic files from /var/lib/apt/lists/ and rerun apt-get
 update.

   In the event that one is connected to a network with a proxy server
   that returns html pages (like a web page requesting you to login) and
   not package list files.   Those html files will get downloaded to
   /var/lib/apt/lists/ and prevent someone from using a package manager
   until the problem html pages are removed.

   TEST CASE:
   1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
   2) Setup proxy server to block access to archive.ubuntu.com and return
 something like http://people.canonical.com/~brian/tmp/not-packages.html
   3) Execute 'sudo apt-get update' in a terminal
   4) Observe the following:
   'E: Encountered a section with no Package: header
E: Problem with MergeList
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
E: The package lists or status file could not be parsed or opened.'
   5) Try 'apt-cache policy apt' and be sad that it doesn't work
   6) run 'sudo rm /var/lib/apt/lists/*Packages' to clear the error.

   With the proposed package installed repeat steps 1 to 3.
   4) Observe the following:
   ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
   Ign http://archive.ubuntu.com oneiric InRelease
   E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following
 signatures were invalid: NODATA 1 NODATA 2'
   5) Try 'apt-cache policy apt' and be happy that it works

 To manage notifications about this bug go to:
 https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions


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Title:
  [MASTER] Update fails with invalid package files with Encountered a
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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Gongqin Chen]

On Thursday, June 7, 2012, Brian Murray wrote:

 The change that fixed this bug was modified in the following merge with
 Debian:

 http://bazaar.launchpad.net/~ubuntu-
 branches/ubuntu/precise/apt/precise/revision/1.5.24

 which states:

 * apt-pkg/acquire-item.{cc,h}:
  - do not check for a Package tag in optional index targets
like the translations index

 and we can see the code change at:

 http://bazaar.launchpad.net/~ubuntu-
 branches/ubuntu/precise/apt/precise/revision/1.5.24/apt-pkg/acquire-
 item.cc#apt-pkg/acquire-item.cc

 However it is not clear to me how optional and non-optional targets are
 defined and I wonder if these are not misdefined somehow.

 --
 You received this bug notification because you are subscribed to a
 duplicate bug report (783015).
 https://bugs.launchpad.net/bugs/346386

 Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

 Status in “apt” package in Ubuntu:
  Triaged
 Status in “apt” source package in Natty:
  Fix Released
 Status in “apt” package in Debian:
  Fix Released

 Bug description:
  Binary package hint: adept-updater

  Pertinent data printed when attempting to run Updater as follows:

  An unresolvable problem occurred while initializing the package
  information.

  Please report this bug against the 'update-manager' package and
  include the following error message:

  'E:Encountered a section with no Package: header, E:Problem with
  MergeList /var/lib/apt/lists/us.archive.ubuntu
  .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
  package lists or status file could not be parsed or opened.'

  WORKAROUND:
  Remove problematic files from /var/lib/apt/lists/ and rerun apt-get
 update.

  In the event that one is connected to a network with a proxy server
  that returns html pages (like a web page requesting you to login) and
  not package list files.   Those html files will get downloaded to
  /var/lib/apt/lists/ and prevent someone from using a package manager
  until the problem html pages are removed.

  TEST CASE:
  1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
  2) Setup proxy server to block access to archive.ubuntu.com and return
 something like http://people.canonical.com/~brian/tmp/not-packages.html
  3) Execute 'sudo apt-get update' in a terminal
  4) Observe the following:
  'E: Encountered a section with no Package: header
   E: Problem with MergeList
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
   E: The package lists or status file could not be parsed or opened.'
  5) Try 'apt-cache policy apt' and be sad that it doesn't work
  6) run 'sudo rm /var/lib/apt/lists/*Packages' to clear the error.

  With the proposed package installed repeat steps 1 to 3.
  4) Observe the following:
  ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
  Ign http://archive.ubuntu.com oneiric InRelease
  E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following
 signatures were invalid: NODATA 1 NODATA 2'
  5) Try 'apt-cache policy apt' and be happy that it works

 To manage notifications about this bug go to:
 https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions


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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Steve Langasek]

** Changed in: apt (Ubuntu)
   Status: Fix Released = Triaged

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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Brian Murray]

The change that fixed this bug was modified in the following merge with
Debian:

http://bazaar.launchpad.net/~ubuntu-
branches/ubuntu/precise/apt/precise/revision/1.5.24

which states:

* apt-pkg/acquire-item.{cc,h}:
  - do not check for a Package tag in optional index targets
like the translations index

and we can see the code change at:

http://bazaar.launchpad.net/~ubuntu-
branches/ubuntu/precise/apt/precise/revision/1.5.24/apt-pkg/acquire-
item.cc#apt-pkg/acquire-item.cc

However it is not clear to me how optional and non-optional targets are
defined and I wonder if these are not misdefined somehow.

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[mazurkin]

It seems the problem still exists in Precise

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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[papukaija]

This bug is fixed. Please open a new bug if you still have issues with
apt. Thanks.

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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[mazurkin]

Look to the right.  There are aprox. 100 new and opened bugs marked as
duplicate of this one. I think moderators should stop mark these as
duplicates then.

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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Verónica B .]

Now I have no problems with update.

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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[maboiteaspam]

In my case i finally changed the source of the repository for the
packages and everything gone well right after.

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  [MASTER] Update fails with invalid package files with Encountered a
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RE: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Jiayao Xie]

Thanks a lot. The problem has been solved. The instruction provided by 
https://bugs.launchpad.net/bugs/346386 can solve the problem.


 


 Date: Tue, 20 Sep 2011 15:37:55 +
 From: 346...@bugs.launchpad.net
 To: vebud...@hotmail.com
 Subject: Re: [Bug 346386] Re: [MASTER] Update fails with invalid package 
 fileswith Encountered a section with no Package: header
 
 Is there anything I can do to correct the problem?
 
 --- On Tue, 9/20/11, Diego Alcántara 346...@bugs.launchpad.net wrote:
 
 From: Diego Alcántara 346...@bugs.launchpad.net
 Subject: [Bug 346386] Re: [MASTER] Update fails with invalid package files 
 with Encountered a section with no Package: header
 To: chrisbound...@yahoo.com
 Date: Tuesday, September 20, 2011, 1:50 PM
 
 This bug doesn't affect me anymore: the problem -in my case- was that a
 firewall in my network was filtering packages coming from ubuntu's
 repos.
 
 -- 
 You received this bug notification because you are subscribed to a
 duplicate bug report (837840).
 https://bugs.launchpad.net/bugs/346386
 
 Title:
   [MASTER] Update fails with invalid package files with Encountered a
   section with no Package: header
 
 Status in “apt” package in Ubuntu:
   Fix Released
 Status in “apt” source package in Natty:
   Fix Released
 Status in “apt” package in Debian:
   Fix Released
 
 Bug description:
   Binary package hint: adept-updater
 
   Pertinent data printed when attempting to run Updater as follows:
 
   An unresolvable problem occurred while initializing the package
   information.
 
   Please report this bug against the 'update-manager' package and
   include the following error message:
 
   'E:Encountered a section with no Package: header, E:Problem with
   MergeList /var/lib/apt/lists/us.archive.ubuntu
   .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
   package lists or status file could not be parsed or opened.'
 
   WORKAROUND:
   Remove problematic files from /var/lib/apt/lists/ and rerun apt-get update.
 
   In the event that one is connected to a network with a proxy server
   that returns html pages (like a web page requesting you to login) and
   not package list files.   Those html files will get downloaded to
   /var/lib/apt/lists/ and prevent someone from using a package manager
   until the problem html pages are removed.
 
   TEST CASE:
   1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
   2) Setup proxy server to block access to archive.ubuntu.com and return 
 something like http://people.canonical.com/~brian/tmp/not-packages.html
   3) Execute 'sudo apt-get update' in a terminal
   4) Observe the following:
   'E: Encountered a section with no Package: header
E: Problem with MergeList 
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
E: The package lists or status file could not be parsed or opened.'
   5) Try 'apt-cache policy apt' and be sad that it doesn't work
   6) run 'sudo rm /var/lib/apt/lists/*Packages' to clear the error.
 
   With the proposed package installed repeat steps 1 to 3.
   4) Observe the following:
   ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
   Ign http://archive.ubuntu.com oneiric InRelease
   E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following 
 signatures were invalid: NODATA 1 NODATA 2'
   5) Try 'apt-cache policy apt' and be happy that it works
 
 To manage notifications about this bug go to:
 https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions
 
 -- 
 You received this bug notification because you are subscribed to a
 duplicate bug report (826842).
 https://bugs.launchpad.net/bugs/346386
 
 Title:
   [MASTER] Update fails with invalid package files with Encountered a
   section with no Package: header
 
 Status in “apt” package in Ubuntu:
   Fix Released
 Status in “apt” source package in Natty:
   Fix Released
 Status in “apt” package in Debian:
   Fix Released
 
 Bug description:
   Binary package hint: adept-updater
 
   Pertinent data printed when attempting to run Updater as follows:
 
   An unresolvable problem occurred while initializing the package
   information.
 
   Please report this bug against the 'update-manager' package and
   include the following error message:
 
   'E:Encountered a section with no Package: header, E:Problem with
   MergeList /var/lib/apt/lists/us.archive.ubuntu
   .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
   package lists or status file could not be parsed or opened.'
 
   WORKAROUND:
   Remove problematic files from /var/lib/apt/lists/ and rerun apt-get update.
 
   In the event that one is connected to a network with a proxy server
   that returns html pages (like a web page requesting you to login) and
   not package list files.   Those html files will get downloaded to
   /var/lib/apt/lists/ and prevent someone from using a package manager
   until the problem html pages are removed.
 
   TEST CASE:
   1) Ensure 

RE: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[soohyun]

Thanks Chris,
 
I don't know what I did/didn't but it got updated ok but things works little 
different.
 
Without knowing much, I still like to log onto Ubuntu.  Now my desktop panal 
goes away each time I boot up. I type the sudo nohup no-panel(something like 
that), then the panal re-appears. I wish I can have them stay.
 
Thanks~~Kitty


  
 
 


 
  
 


 Date: Tue, 20 Sep 2011 15:37:55 +
 From: 346...@bugs.launchpad.net
 To: ks...@hotmail.com
 Subject: Re: [Bug 346386] Re: [MASTER] Update fails with invalid package 
 files with Encountered a section with no Package: header
 
 Is there anything I can do to correct the problem?
 
 --- On Tue, 9/20/11, Diego Alcántara 346...@bugs.launchpad.net wrote:
 
 From: Diego Alcántara 346...@bugs.launchpad.net
 Subject: [Bug 346386] Re: [MASTER] Update fails with invalid package files 
 with Encountered a section with no Package: header
 To: chrisbound...@yahoo.com
 Date: Tuesday, September 20, 2011, 1:50 PM
 
 This bug doesn't affect me anymore: the problem -in my case- was that a
 firewall in my network was filtering packages coming from ubuntu's
 repos.
 
 -- 
 You received this bug notification because you are subscribed to a
 duplicate bug report (837840).
 https://bugs.launchpad.net/bugs/346386
 
 Title:
   [MASTER] Update fails with invalid package files with Encountered a
   section with no Package: header
 
 Status in “apt” package in Ubuntu:
   Fix Released
 Status in “apt” source package in Natty:
   Fix Released
 Status in “apt” package in Debian:
   Fix Released
 
 Bug description:
   Binary package hint: adept-updater
 
   Pertinent data printed when attempting to run Updater as follows:
 
   An unresolvable problem occurred while initializing the package
   information.
 
   Please report this bug against the 'update-manager' package and
   include the following error message:
 
   'E:Encountered a section with no Package: header, E:Problem with
   MergeList /var/lib/apt/lists/us.archive.ubuntu
   .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
   package lists or status file could not be parsed or opened.'
 
   WORKAROUND:
   Remove problematic files from /var/lib/apt/lists/ and rerun apt-get update.
 
   In the event that one is connected to a network with a proxy server
   that returns html pages (like a web page requesting you to login) and
   not package list files.   Those html files will get downloaded to
   /var/lib/apt/lists/ and prevent someone from using a package manager
   until the problem html pages are removed.
 
   TEST CASE:
   1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
   2) Setup proxy server to block access to archive.ubuntu.com and return 
 something like http://people.canonical.com/~brian/tmp/not-packages.html
   3) Execute 'sudo apt-get update' in a terminal
   4) Observe the following:
   'E: Encountered a section with no Package: header
E: Problem with MergeList 
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
E: The package lists or status file could not be parsed or opened.'
   5) Try 'apt-cache policy apt' and be sad that it doesn't work
   6) run 'sudo rm /var/lib/apt/lists/*Packages' to clear the error.
 
   With the proposed package installed repeat steps 1 to 3.
   4) Observe the following:
   ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
   Ign http://archive.ubuntu.com oneiric InRelease
   E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following 
 signatures were invalid: NODATA 1 NODATA 2'
   5) Try 'apt-cache policy apt' and be happy that it works
 
 To manage notifications about this bug go to:
 https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions
 
 -- 
 You received this bug notification because you are subscribed to a
 duplicate bug report (809075).
 https://bugs.launchpad.net/bugs/346386
 
 Title:
 [MASTER] Update fails with invalid package files with Encountered a
 section with no Package: header
 
 Status in “apt” package in Ubuntu:
 Fix Released
 Status in “apt” source package in Natty:
 Fix Released
 Status in “apt” package in Debian:
 Fix Released
 
 Bug description:
 Binary package hint: adept-updater
 
 Pertinent data printed when attempting to run Updater as follows:
 
 An unresolvable problem occurred while initializing the package
 information.
 
 Please report this bug against the 'update-manager' package and
 include the following error message:
 
 'E:Encountered a section with no Package: header, E:Problem with
 MergeList /var/lib/apt/lists/us.archive.ubuntu
 .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
 package lists or status file could not be parsed or opened.'
 
 WORKAROUND:
 Remove problematic files from /var/lib/apt/lists/ and rerun apt-get update.
 
 In the event that one is connected to a network with a proxy server
 that returns html pages (like a web page requesting you to login) and
 not package list files. Those html files will 

Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Hobson Lane]

I had to do a grep on my LAN gateway/proxy IP or a bit of the URL it uses
for login. That turned up the corrupted entries for me. My local gateway is
10.10.0.1 so:
sudo grep -ri '10.10.' /var/lib/apt/lists

On Sun, Jul 10, 2011 at 3:01 AM, Steven Avampato
avam...@hotmail.comwrote:

 The suggested fix:

  sudo rm /var/lib/apt/lists/* -vf
  sudo apt-get clean
  sudo apt-get update
  sudo apt-get upgrade

 is not working for me.  Is there another solution to get an updated
 version of apt that doesn't have the problem?  Or a list of files in the
 /var/lib/apt/lists that are causing the bad version of apt to fail that
 can be deleted?

 --
 You received this bug notification because you are subscribed to a
 duplicate bug report (800438).
 https://bugs.launchpad.net/bugs/346386

 Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

 Status in “apt” package in Ubuntu:
  Fix Released
 Status in “apt” source package in Natty:
  Fix Released
 Status in “apt” package in Debian:
  Fix Released

 Bug description:
  Binary package hint: adept-updater

  Pertinent data printed when attempting to run Updater as follows:

  An unresolvable problem occurred while initializing the package
  information.

  Please report this bug against the 'update-manager' package and
  include the following error message:

  'E:Encountered a section with no Package: header, E:Problem with
  MergeList /var/lib/apt/lists/us.archive.ubuntu
  .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
  package lists or status file could not be parsed or opened.'

  WORKAROUND:
  Remove problematic files from /var/lib/apt/lists/ and rerun apt-get
 update.

  In the event that one is connected to a network with a proxy server
  that returns html pages (like a web page requesting you to login) and
  not package list files.   Those html files will get downloaded to
  /var/lib/apt/lists/ and prevent someone from using a package manager
  until the problem html pages are removed.

  TEST CASE:
  1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
  2) Setup proxy server to block access to archive.ubuntu.com and return
 something like http://people.canonical.com/~brian/tmp/not-packages.html
  3) Execute 'sudo apt-get update' in a terminal
  4) Observe the following:
  'E: Encountered a section with no Package: header
   E: Problem with MergeList
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
   E: The package lists or status file could not be parsed or opened.'
  5) Try 'apt-cache policy apt' and be sad that it doesn't work
  6) run 'sudo rm /var/lib/apt/lists/*Packages' to clear the error.

  With the proposed package installed repeat steps 1 to 3.
  4) Observe the following:
  ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
  Ign http://archive.ubuntu.com oneiric InRelease
  E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following
 signatures were invalid: NODATA 1 NODATA 2'
  5) Try 'apt-cache policy apt' and be happy that it works

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 https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions


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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Jeff Hill]

I seem to be experiencing this issue also but sudo rm -rf /var/lib/apt/lists 
doesn't seem to help (I think maybe it did during the first install but my 
memory of the magic spells the first time isn't that good at this point). We do 
have a firewall here that returns configuration instructions for the proxy 
script. This may go south even during the install because I configured the 
script as soon as the system came up and have spent the rest of the day trying 
to get around this issue with apt-get. This is Ubuntu 11.04 (a 2nd install due 
catastrophic hard drive failure last weekend).


hill@Taz:~$ ls /var/lib/apt/lists/lock
/var/lib/apt/lists/lock
hill@Taz:~$ sudo apt-get update
Ign http://us.archive.ubuntu.com natty InRelease
Ign http://us.archive.ubuntu.com natty-updates InRelease
Ign http://extras.ubuntu.com natty InRelease   
Ign http://security.ubuntu.com natty-security InRelease
Ign http://us.archive.ubuntu.com natty Release.gpg
Ign http://extras.ubuntu.com natty Release.gpg 
..

sudo rm -rf /var/lib/apt/lists

hill@Taz:~$ sudo apt-get update
Ign http://us.archive.ubuntu.com natty InRelease
Ign http://security.ubuntu.com natty-security InRelease
Ign http://us.archive.ubuntu.com natty-updates InRelease   
Ign http://security.ubuntu.com natty-security Release.gpg
Ign http://us.archive.ubuntu.com natty Release.gpg 
Ign http://security.ubuntu.com natty-security Release  
...

hill@Taz:~$ sudo fuser -vvv /var/lib/dpkg/lock
hill@Taz:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=11.04
DISTRIB_CODENAME=natty
DISTRIB_DESCRIPTION=Ubuntu 11.04
hill@Taz:~$ uname -a
Linux dingy 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:50 UTC 2011 i686 
athlon i386 GNU/Linux
hill@Taz:~$ sudo rm /var/lib/apt/lists/lock 
hill@Taz:~$ sudo cp -arf /var/lib/dpkg /var/lib/dpkg.backup
hill@Taz:~$ sudo cp /var/lib/dpkg/status-old /var/lib/dpkg/status
hill@Taz:~$ sudo cp /var/lib/dpkg/available-old /var/lib/dpkg/available
hill@Taz:~$ sudo rm -rf /var/lib/dpkg/updates/*
hill@Taz:~$ sudo rm -rf /var/lib/apt/lists
hill@Taz:~$ sudo rm /var/cache/apt/*.bin
hill@Taz:~$ sudo mkdir /var/lib/apt/lists
hill@Taz:~$ sudo mkdir /var/lib/apt/lists/partial
hill@Taz:~$ LANG=C;sudo apt-get clean
[sudo] password for hill: 
hill@Taz:~$ LANG=C;sudo apt-get autoclean
Reading package lists... Done
Building dependency tree   
Reading state information... Done
hill@Taz:~$ LANG=C;sudo apt-get --purge autoremove
Reading package lists... Done
Building dependency tree   
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
hill@Taz:~$ LANG=C;sudo apt-get update -o APT::Cache-Limit=25165824
Ign http://security.ubuntu.com natty-security InRelease
Ign http://us.archive.ubuntu.com natty InRelease   
Ign http://us.archive.ubuntu.com natty-updates InRelease   
...

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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Diego Alcántara]

This bug doesn't affect me anymore: the problem -in my case- was that a
firewall in my network was filtering packages coming from ubuntu's
repos.

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  [MASTER] Update fails with invalid package files with Encountered a
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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Chris Bounds]

Is there anything I can do to correct the problem?

--- On Tue, 9/20/11, Diego Alcántara 346...@bugs.launchpad.net wrote:

From: Diego Alcántara 346...@bugs.launchpad.net
Subject: [Bug 346386] Re: [MASTER] Update fails with invalid package files with 
Encountered a section with no Package: header
To: chrisbound...@yahoo.com
Date: Tuesday, September 20, 2011, 1:50 PM

This bug doesn't affect me anymore: the problem -in my case- was that a
firewall in my network was filtering packages coming from ubuntu's
repos.

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

Status in “apt” package in Ubuntu:
  Fix Released
Status in “apt” source package in Natty:
  Fix Released
Status in “apt” package in Debian:
  Fix Released

Bug description:
  Binary package hint: adept-updater

  Pertinent data printed when attempting to run Updater as follows:

  An unresolvable problem occurred while initializing the package
  information.

  Please report this bug against the 'update-manager' package and
  include the following error message:

  'E:Encountered a section with no Package: header, E:Problem with
  MergeList /var/lib/apt/lists/us.archive.ubuntu
  .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
  package lists or status file could not be parsed or opened.'

  WORKAROUND:
  Remove problematic files from /var/lib/apt/lists/ and rerun apt-get update.

  In the event that one is connected to a network with a proxy server
  that returns html pages (like a web page requesting you to login) and
  not package list files.   Those html files will get downloaded to
  /var/lib/apt/lists/ and prevent someone from using a package manager
  until the problem html pages are removed.

  TEST CASE:
  1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
  2) Setup proxy server to block access to archive.ubuntu.com and return 
something like http://people.canonical.com/~brian/tmp/not-packages.html
  3) Execute 'sudo apt-get update' in a terminal
  4) Observe the following:
  'E: Encountered a section with no Package: header
   E: Problem with MergeList 
/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
   E: The package lists or status file could not be parsed or opened.'
  5) Try 'apt-cache policy apt' and be sad that it doesn't work
  6) run 'sudo rm /var/lib/apt/lists/*Packages' to clear the error.

  With the proposed package installed repeat steps 1 to 3.
  4) Observe the following:
  ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
  Ign http://archive.ubuntu.com oneiric InRelease
  E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following 
signatures were invalid: NODATA 1 NODATA 2'
  5) Try 'apt-cache policy apt' and be happy that it works

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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Manfred Hampl]

@Steven and others:
The package management programs store information about available packages, 
their versions, and their sources in some files on your computer.
The problem that you encounter is caused by wrong contents in some of these 
files.
The recently published changes in the apt package prevent that running a 
package management update command creates new files with wrong contents, but 
they do not solve the problem if you have already such situation on your system.

To clean up this status please see
https://answers.launchpad.net/ubuntu/+faq/1591

Either run:
sudo rm -rf /var/lib/apt/lists
sudo mkdir /var/lib/apt/lists
sudo mkdir /var/lib/apt/lists/partial

or perform a full package management troubleshooting as described in
https://help.ubuntu.com/community/PackageManagerTroubleshootingProcedure

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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[papukaija]

This bug is fixed in Natty and newever so using the proposed package is
not useful. If you have issues with installing the update, you should
try to do do sixth step from the test case and try the update again.

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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Steven Avampato]

I was already at Natty when the error was introduced.  Step 6 of the
test case is essentially the same as step 1 of the suggested fix.  Do I
need to do a clean install to get a functioning version of apt again?

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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[papukaija]

@Steven: Please try to follow the instruction in the test case (part of
the bug's description) and then run the update with update-manager but
don't forget that the fix is only available to Natty and newer.

** Tags added: metabug

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Steven Avampato]

Not sure how to accomplish step 2 in the test case.  Also how to get the
proposed package installed as described after step 5.

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Steven Avampato]

The suggested fix:

 sudo rm /var/lib/apt/lists/* -vf
 sudo apt-get clean
 sudo apt-get update
 sudo apt-get upgrade

is not working for me.  Is there another solution to get an updated
version of apt that doesn't have the problem?  Or a list of files in the
/var/lib/apt/lists that are causing the bad version of apt to fail that
can be deleted?

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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Julian Andres Klode]

There are no security implications here. A malicious transparent proxy
can send any data it want, but it cannot send any signed repository
data. So if the proxy were to send malicious package information, the
packages would not be marked as trusted and the user would be warned
about it. If a proxy is sending invalid files, those files are rejected
at some stage in the process.  In short, no security problems for APT.

If other programs try to parse APT-internal files themselves, they may
have problems, but such use of the files is in no way supported and the
contents of /var/lib/apt/lists are implementation-internal files, not
meant for public use. I am not aware of any programs having problems
with this.

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[typo]

I don't get this. I thought debian packages where signed? How could a
hotel's wireless inject data into your system? I mean, if the creators
of apt did not check this case, what about about other cases? There'll
be probably more security gaps, which are yet unknown, because nobody
tested the software for security.

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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Brian Murray]

@typo - Documentation regarding how this can occur appears in the bug's
description.

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Launchpad Bug Tracker]

This bug was fixed in the package apt - 0.8.13.2ubuntu4

---
apt (0.8.13.2ubuntu4) natty-proposed; urgency=low

  [ Julian Andres Klode ]
  * apt-pkg/acquire-item.cc:
- Reject files known to be invalid (LP: #346386) (Closes: #627642)

  [ Michael Vogt ]
  * apt-pkg/acquire-item.cc:
- do not reject empty Packages files when checking them for
  correctness
 -- Brian Murray br...@ubuntu.com   Fri, 10 Jun 2011 12:05:03 -0700

** Changed in: apt (Ubuntu Natty)
   Status: Fix Committed = Fix Released

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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Zarir Syafiqie]

for me, just delete the folder and reboot the pc.. try to update again after
finished booting...

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[papukaija]

** Changed in: apt (Debian)
 Assignee: Heru Herdianto (herdiantoheru-yahoo) = papukaija (papukaija)

** Changed in: apt (Ubuntu)
 Assignee: Heru Herdianto (herdiantoheru-yahoo) = papukaija (papukaija)

** Changed in: apt (Ubuntu Natty)
 Assignee: Heru Herdianto (herdiantoheru-yahoo) = papukaija (papukaija)

** Changed in: apt (Debian)
 Assignee: papukaija (papukaija) = (unassigned)

** Changed in: apt (Ubuntu Natty)
 Assignee: papukaija (papukaija) = (unassigned)

** Changed in: apt (Ubuntu)
 Assignee: papukaija (papukaija) = (unassigned)

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[papukaija]

@Heru: Please *STOP* changing the bug statuses. Thanks.

@ubuntu-bugcontrol: Please set this bug back to 'Fix committed' as
0.8.13.2ubuntu4 is still in proposed. Thanks in advance.

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Jean-Baptiste Lallement]

** Changed in: apt (Ubuntu Natty)
   Status: Fix Released = Fix Committed

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 802061] Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Edward Goldstick]

*** This bug is a duplicate of bug 346386 ***
https://bugs.launchpad.net/bugs/346386

Hello,

I just got back to the machine that had this problem and that led me to
submit bug #863742...

... so thanks for your pointer to #802061 within 48 hours.  It seems to
have worked just fine.  I wish I had been able to dig it up myself but
the process is rather convoluted (and while I'm an 'old' Unix user
(fwiw, I remember System III), I am not experimenting with Ubuntu other
than as aa definitive low-cost alternative to Windows XP...

I also thought I'd share this with the last person to post on this
subject because you seem to have made the fix permanent...

... so thanks for that, too, but I must admit that I'm intrigued by the
fact that I still get announcements.  I may try to unsubscribe from
the reports but am more curious by the long tail of issues that people
experience.

In any event, keep up the good work.  Thanks again.

Edward


First and foremost,


On Jun 26, 2011, at 1:58 PM, William Ranvaud wrote:

 This issue was reported on ubuntuforums:
 http://ubuntuforums.org/showthread.php?t=863742
 
 The solution was to type on terminal :
 
 sudo rm /var/lib/apt/lists/* -vf
 sudo apt-get update
 
 Many people are having this issue, have to manually type this to get it
 fixed.
 
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 report.
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On Jun 29, 2011, at 5:26 AM, papukaija wrote:

 @Heru: Please *STOP* changing the bug statuses. Thanks.
 
 @ubuntu-bugcontrol: Please set this bug back to 'Fix committed' as
 0.8.13.2ubuntu4 is still in proposed. Thanks in advance.
 
 -- 
 You received this bug notification because you are subscribed to a
 duplicate bug report (802061).
 https://bugs.launchpad.net/bugs/346386
 
 Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header
 
 Status in “apt” package in Ubuntu:
  Fix Released
 Status in “apt” source package in Natty:
  Fix Released
 Status in “apt” package in Debian:
  Fix Released
 
 Bug description:
  Binary package hint: adept-updater
 
  Pertinent data printed when attempting to run Updater as follows:
 
  An unresolvable problem occurred while initializing the package
  information.
 
  Please report this bug against the 'update-manager' package and
  include the following error message:
 
  'E:Encountered a section with no Package: header, E:Problem with
  MergeList /var/lib/apt/lists/us.archive.ubuntu
  .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
  package lists or status file could not be parsed or opened.'
 
  WORKAROUND:
  Remove problematic files from /var/lib/apt/lists/ and rerun apt-get update.
 
  In the event that one is connected to a network with a proxy server
  that returns html pages (like a web page requesting you to login) and
  not package list files.   Those html files will get downloaded to
  /var/lib/apt/lists/ and prevent someone from using a package manager
  until the problem html pages are removed.
 
  TEST CASE:
  1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
  2) Setup proxy server to block access to archive.ubuntu.com and return 
 something like http://people.canonical.com/~brian/tmp/not-packages.html
  3) Execute 'sudo apt-get update' in a terminal
  4) Observe the following:
  'E: Encountered a section with no Package: header
   E: Problem with MergeList 
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
   E: The package lists or status file could not be parsed or opened.'
  5) Try 'apt-cache policy apt' and be sad that it doesn't work
  6) run 'sudo rm /var/lib/apt/lists/*Packages' to clear the error.
 
  With the proposed package installed repeat steps 1 to 3.
  4) Observe the following:
  ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
  Ign http://archive.ubuntu.com oneiric InRelease
  E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following 
 signatures were invalid: NODATA 1 NODATA 2'
  5) Try 'apt-cache policy apt' and be happy that it works
 
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 https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions

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Title:
  update-manager fails

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Heru Herdianto]

** Changed in: apt (Ubuntu)
 Assignee: Julian Andres Klode (juliank) = Heru Herdianto 
(herdiantoheru-yahoo)

** Changed in: apt (Ubuntu Natty)
 Assignee: (unassigned) = Heru Herdianto (herdiantoheru-yahoo)

** Changed in: apt (Debian)
   Importance: Unknown = Undecided

** Changed in: apt (Debian)
   Status: Unknown = New

** Changed in: apt (Debian)
 Remote watch: Debian Bug tracker #627642 = None

** Changed in: apt (Debian)
 Assignee: (unassigned) = Heru Herdianto (herdiantoheru-yahoo)

** Changed in: apt (Debian)
   Status: New = Fix Released

** Changed in: apt (Ubuntu Natty)
   Status: Fix Committed = Fix Released

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Laxman Poudel]

'E:Encountered a section with no Package: header, E:Problem with MergeList 
/var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_natty_main_binary-i386_Packages,
 E:The package lists or status file could not be parsed or opened.

I have this problem

Can this be fixed automatically? please help me I am new to the bug
fixing.

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[PMPope]

Did you try the Xillix fix described earlier in this thread? It worked like
a charm for me.
On Jun 28, 2011 10:11 PM, Laxman Poudel 346...@bugs.launchpad.net wrote:
 'E:Encountered a section with no Package: header, E:Problem with MergeList
/var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_natty_main_binary-i386_Packages,
E:The package lists or status file could not be parsed or opened.

 I have this problem

 Can this be fixed automatically? please help me I am new to the bug
 fixing.

 --
 You received this bug notification because you are subscribed to a
 duplicate bug report (791696).
 https://bugs.launchpad.net/bugs/346386

 Title:
 [MASTER] Update fails with invalid package files with Encountered a
 section with no Package: header

 Status in “apt” package in Ubuntu:
 Fix Released
 Status in “apt” source package in Natty:
 Fix Released
 Status in “apt” package in Debian:
 Fix Released

 Bug description:
 Binary package hint: adept-updater

 Pertinent data printed when attempting to run Updater as follows:

 An unresolvable problem occurred while initializing the package
 information.

 Please report this bug against the 'update-manager' package and
 include the following error message:

 'E:Encountered a section with no Package: header, E:Problem with
 MergeList /var/lib/apt/lists/us.archive.ubuntu
 .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
 package lists or status file could not be parsed or opened.'

 WORKAROUND:
 Remove problematic files from /var/lib/apt/lists/ and rerun apt-get
update.

 In the event that one is connected to a network with a proxy server
 that returns html pages (like a web page requesting you to login) and
 not package list files. Those html files will get downloaded to
 /var/lib/apt/lists/ and prevent someone from using a package manager
 until the problem html pages are removed.

 TEST CASE:
 1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
 2) Setup proxy server to block access to archive.ubuntu.com and return
something like http://people.canonical.com/~brian/tmp/not-packages.html
 3) Execute 'sudo apt-get update' in a terminal
 4) Observe the following:
 'E: Encountered a section with no Package: header
  E: Problem with MergeList
/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
  E: The package lists or status file could not be parsed or opened.'
 5) Try 'apt-cache policy apt' and be sad that it doesn't work
 6) run 'sudo rm /var/lib/apt/lists/*Packages' to clear the error.

 With the proposed package installed repeat steps 1 to 3.
 4) Observe the following:
 ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
 Ign http://archive.ubuntu.com oneiric InRelease
 E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following
signatures were invalid: NODATA 1 NODATA 2'
 5) Try 'apt-cache policy apt' and be happy that it works

 To manage notifications about this bug go to:
 https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Steve Langasek]

fix verified here using the test case in the bug description.

** Description changed:

  Binary package hint: adept-updater
  
  Pertinent data printed when attempting to run Updater as follows:
  
  An unresolvable problem occurred while initializing the package
  information.
  
  Please report this bug against the 'update-manager' package and include
  the following error message:
  
  'E:Encountered a section with no Package: header, E:Problem with
  MergeList /var/lib/apt/lists/us.archive.ubuntu
  .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The package
  lists or status file could not be parsed or opened.'
  
  WORKAROUND:
  Remove problematic files from /var/lib/apt/lists/ and rerun apt-get update.
  
  In the event that one is connected to a network with a proxy server that
  returns html pages (like a web page requesting you to login) and not
  package list files.   Those html files will get downloaded to
  /var/lib/apt/lists/ and prevent someone from using a package manager
  until the problem html pages are removed.
  
  TEST CASE:
  1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
  2) Setup proxy server to block access to archive.ubuntu.com and return 
something like http://people.canonical.com/~brian/tmp/not-packages.html
  3) Execute 'sudo apt-get update' in a terminal
  4) Observe the following:
  'E: Encountered a section with no Package: header
-  E: Problem with MergeList 
/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
-  E: The package lists or status file could not be parsed or opened.'
+  E: Problem with MergeList 
/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
+  E: The package lists or status file could not be parsed or opened.'
  5) Try 'apt-cache policy apt' and be sad that it doesn't work
+ 6) run 'sudo rm /var/lib/apt/lists/*Packages' to clear the error.
  
  With the proposed package installed repeat steps 1 to 3.
  4) Observe the following:
  ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
  Ign http://archive.ubuntu.com oneiric InRelease
  E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following 
signatures were invalid: NODATA 1 NODATA 2'
  5) Try 'apt-cache policy apt' and be happy that it works

** Tags added: verification-done
** Tags removed: verification-needed

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Hobson Lane]

Thanks. Sorry for the duplicate bug report. Glad it's fixed. Will make
it much safer to update on public WiFi.

On Mon, Jun 27, 2011 at 4:57 PM, Steve Langasek
steve.langa...@canonical.com wrote:
 fix verified here using the test case in the bug description.

 ** Description changed:

  Binary package hint: adept-updater

  Pertinent data printed when attempting to run Updater as follows:

  An unresolvable problem occurred while initializing the package
  information.

  Please report this bug against the 'update-manager' package and include
  the following error message:

  'E:Encountered a section with no Package: header, E:Problem with
  MergeList /var/lib/apt/lists/us.archive.ubuntu
  .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The package
  lists or status file could not be parsed or opened.'

  WORKAROUND:
  Remove problematic files from /var/lib/apt/lists/ and rerun apt-get update.

  In the event that one is connected to a network with a proxy server that
  returns html pages (like a web page requesting you to login) and not
  package list files.   Those html files will get downloaded to
  /var/lib/apt/lists/ and prevent someone from using a package manager
  until the problem html pages are removed.

  TEST CASE:
  1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
  2) Setup proxy server to block access to archive.ubuntu.com and return 
 something like http://people.canonical.com/~brian/tmp/not-packages.html
  3) Execute 'sudo apt-get update' in a terminal
  4) Observe the following:
  'E: Encountered a section with no Package: header
 -  E: Problem with MergeList 
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
 -  E: The package lists or status file could not be parsed or opened.'
 +  E: Problem with MergeList 
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
 +  E: The package lists or status file could not be parsed or opened.'
  5) Try 'apt-cache policy apt' and be sad that it doesn't work
 + 6) run 'sudo rm /var/lib/apt/lists/*Packages' to clear the error.

  With the proposed package installed repeat steps 1 to 3.
  4) Observe the following:
  ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
  Ign http://archive.ubuntu.com oneiric InRelease
  E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following 
 signatures were invalid: NODATA 1 NODATA 2'
  5) Try 'apt-cache policy apt' and be happy that it works

 ** Tags added: verification-done
 ** Tags removed: verification-needed

 --
 You received this bug notification because you are subscribed to a
 duplicate bug report (800438).
 https://bugs.launchpad.net/bugs/346386

 Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

 Status in “apt” package in Ubuntu:
  Fix Released
 Status in “apt” source package in Natty:
  Fix Committed
 Status in “apt” package in Debian:
  Unknown

 Bug description:
  Binary package hint: adept-updater

  Pertinent data printed when attempting to run Updater as follows:

  An unresolvable problem occurred while initializing the package
  information.

  Please report this bug against the 'update-manager' package and
  include the following error message:

  'E:Encountered a section with no Package: header, E:Problem with
  MergeList /var/lib/apt/lists/us.archive.ubuntu
  .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
  package lists or status file could not be parsed or opened.'

  WORKAROUND:
  Remove problematic files from /var/lib/apt/lists/ and rerun apt-get update.

  In the event that one is connected to a network with a proxy server
  that returns html pages (like a web page requesting you to login) and
  not package list files.   Those html files will get downloaded to
  /var/lib/apt/lists/ and prevent someone from using a package manager
  until the problem html pages are removed.

  TEST CASE:
  1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
  2) Setup proxy server to block access to archive.ubuntu.com and return 
 something like http://people.canonical.com/~brian/tmp/not-packages.html
  3) Execute 'sudo apt-get update' in a terminal
  4) Observe the following:
  'E: Encountered a section with no Package: header
   E: Problem with MergeList 
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
   E: The package lists or status file could not be parsed or opened.'
  5) Try 'apt-cache policy apt' and be sad that it doesn't work
  6) run 'sudo rm /var/lib/apt/lists/*Packages' to clear the error.

  With the proposed package installed repeat steps 1 to 3.
  4) Observe the following:
  ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
  Ign http://archive.ubuntu.com oneiric InRelease
  E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following 
 signatures were invalid: NODATA 1 NODATA 2'
  5) Try 'apt-cache policy apt' and be happy that it 

[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Sumudu]

** Changed in: apt (Ubuntu Natty)
   Status: Fix Committed = Fix Released

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Brian Murray]

I've set this back to Fix Committed as the package with the fix is only
available in the proposed repository for Natty.

   apt | 0.8.13.2ubuntu3 | natty-updates | source, amd64, i386
   apt | 0.8.13.2ubuntu4 | natty-proposed | source, amd64, i386


** Changed in: apt (Ubuntu Natty)
   Status: Fix Released = Fix Committed

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Martin Pitt]

Accepted apt into natty-proposed, the package will build now and be
available in a few hours. Please test and give feedback here. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed. Thank you in advance!

** Changed in: apt (Ubuntu Natty)
   Status: In Progress = Fix Committed

** Tags added: verification-needed

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Tyler Kasper]

Go ahead and take me off of this email list. Because honestly I just don't
give a shit anymore.

On Jun 24, 2011 11:12 AM, Martin Pitt martin.p...@ubuntu.com wrote:

Accepted apt into natty-proposed, the package will build now and be
available in a few hours. Please test and give feedback here. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed. Thank you in advance!


** Changed in: apt (Ubuntu Natty)
  Status: In Progress = Fix Committed

** Tags added: verification-needed


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duplicate bug report (741716...
 Fix Committed

Status in “apt” package in Debian:
Unknown

Bug description:
Binary package hint: adept-updater
...

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Launchpad Bug Tracker]

** Branch linked: lp:ubuntu/natty-proposed/apt

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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Hobson Lane]

Doesn't this bug allow malicious users to root any Ubuntu system
connected to a wifi cafe that uses web logon and no encryption?

I'm not sure if I understand this, but it seems like proxies can insert
URLs into the apt lists at will. And at logon-style wifi cafe's, a
malicious user sitting at the table next to you could impersonate the
cafe proxy (MITM), potentially inserting whatever they like into the
lists URL. Wouldn't this then affect the Ubuntu upgrade and update
cycles, redirecting requests to those chosen by the malicious laptop
owner, perhaps weeks late while not connected to the malicious proxy?
Perhaps the user would be required to accept some bogus security
certificate before downloading the malicious code--so maybe only 10% of
infected Ubuntu users would be caught. But might it be possible that if
the user updates/upgrades while still connected through the malicious
proxy, the proxy could peform a MITM on the certificates and still get
the user to unknowingly install whatever upgrades the malicious user
intends, to root the wifi user's system.

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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Launchpad Bug Tracker]

** Branch linked: lp:ubuntu/natty-updates/apt

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  [MASTER] Update fails with invalid package files with Encountered a
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Michael Vogt]

** Changed in: apt (Ubuntu Natty)
   Status: Triaged = In Progress

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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Hideki Tawarayama]

I fixed this bug.
Thank you.


(2011年06月17日 02:51), Dalison Rocha wrote:
 Obrigado!(Thank you!)

 2011/6/14 Med Idriss Taki346...@bugs.launchpad.net

 Thank you all of you
 I had this bug too on Ubuntu 11.04.
 Now it is fixed with this:

 sudo rm /var/lib/apt/lists/* -vf
 sudo apt-get clean
 sudo apt-get update
 sudo apt-get upgrade
 God bless you

 --
 You received this bug notification because you are subscribed to a
 duplicate bug report (796740).
 https://bugs.launchpad.net/bugs/346386

 Title:
   [MASTER] Update fails with invalid package files with Encountered a
   section with no Package: header

 Status in “apt” package in Ubuntu:
   Fix Released
 Status in “apt” source package in Natty:
   Triaged
 Status in “apt” package in Debian:
   Unknown

 Bug description:
   Binary package hint: adept-updater

   Pertinent data printed when attempting to run Updater as follows:

   An unresolvable problem occurred while initializing the package
   information.

   Please report this bug against the 'update-manager' package and
   include the following error message:

   'E:Encountered a section with no Package: header, E:Problem with
   MergeList /var/lib/apt/lists/us.archive.ubuntu
   .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
   package lists or status file could not be parsed or opened.'

   WORKAROUND:
   Remove problematic files from /var/lib/apt/lists/ and rerun apt-get
 update.

   In the event that one is connected to a network with a proxy server
   that returns html pages (like a web page requesting you to login) and
   not package list files.   Those html files will get downloaded to
   /var/lib/apt/lists/ and prevent someone from using a package manager
   until the problem html pages are removed.

   TEST CASE:
   1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
   2) Setup proxy server to block access to archive.ubuntu.com and return
 something like http://people.canonical.com/~brian/tmp/not-packages.html
   3) Execute 'sudo apt-get update' in a terminal
   4) Observe the following:
   'E: Encountered a section with no Package: header
E: Problem with MergeList
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
E: The package lists or status file could not be parsed or opened.'
   5) Try 'apt-cache policy apt' and be sad that it doesn't work

   With the proposed package installed repeat steps 1 to 3.
   4) Observe the following:
   ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
   Ign http://archive.ubuntu.com oneiric InRelease
   E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following
 signatures were invalid: NODATA 1 NODATA 2'
   5) Try 'apt-cache policy apt' and be happy that it works

 To manage notifications about this bug go to:
 https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions


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https://bugs.launchpad.net/bugs/346386

Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Dalison Rocha]

Obrigado!(Thank you!)

2011/6/14 Med Idriss Taki 346...@bugs.launchpad.net

 Thank you all of you
 I had this bug too on Ubuntu 11.04.
 Now it is fixed with this:

  sudo rm /var/lib/apt/lists/* -vf
  sudo apt-get clean
  sudo apt-get update
  sudo apt-get upgrade

 God bless you

 --
 You received this bug notification because you are subscribed to a
 duplicate bug report (796740).
 https://bugs.launchpad.net/bugs/346386

 Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

 Status in “apt” package in Ubuntu:
  Fix Released
 Status in “apt” source package in Natty:
  Triaged
 Status in “apt” package in Debian:
  Unknown

 Bug description:
  Binary package hint: adept-updater

  Pertinent data printed when attempting to run Updater as follows:

  An unresolvable problem occurred while initializing the package
  information.

  Please report this bug against the 'update-manager' package and
  include the following error message:

  'E:Encountered a section with no Package: header, E:Problem with
  MergeList /var/lib/apt/lists/us.archive.ubuntu
  .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
  package lists or status file could not be parsed or opened.'

  WORKAROUND:
  Remove problematic files from /var/lib/apt/lists/ and rerun apt-get
 update.

  In the event that one is connected to a network with a proxy server
  that returns html pages (like a web page requesting you to login) and
  not package list files.   Those html files will get downloaded to
  /var/lib/apt/lists/ and prevent someone from using a package manager
  until the problem html pages are removed.

  TEST CASE:
  1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
  2) Setup proxy server to block access to archive.ubuntu.com and return
 something like http://people.canonical.com/~brian/tmp/not-packages.html
  3) Execute 'sudo apt-get update' in a terminal
  4) Observe the following:
  'E: Encountered a section with no Package: header
   E: Problem with MergeList
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
   E: The package lists or status file could not be parsed or opened.'
  5) Try 'apt-cache policy apt' and be sad that it doesn't work

  With the proposed package installed repeat steps 1 to 3.
  4) Observe the following:
  ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
  Ign http://archive.ubuntu.com oneiric InRelease
  E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following
 signatures were invalid: NODATA 1 NODATA 2'
  5) Try 'apt-cache policy apt' and be happy that it works

 To manage notifications about this bug go to:
 https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions


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https://bugs.launchpad.net/bugs/346386

Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

To manage notifications about this bug go to:
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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Dalison Rocha]

Obrigado!(Thank you!)

2011/6/14 jim carlson 346...@bugs.launchpad.net

 Absolutely perfect solution.  Worked extremely well.  I knew I had a
 problem with one of the files, and it should have been deleted.  However I
 didn't known about clean, update and upgrade (which I guess is what the
 Update-Manager does).

 Thank you for the quick response.

 JIM

  Date: Tue, 14 Jun 2011 16:40:21 +
  From: 346...@bugs.launchpad.net
  To: carxf...@hotmail.com
  Subject: [Bug 346386] Re: [MASTER] Update fails with invalid package
 fileswith Encountered a section with no Package: header
 
  Thank you all of you
  I had this bug too on Ubuntu 11.04.
  Now it is fixed with this:
 
   sudo rm /var/lib/apt/lists/* -vf
   sudo apt-get clean
   sudo apt-get update
   sudo apt-get upgrade
 
  God bless you
 
  --
  You received this bug notification because you are subscribed to a
  duplicate bug report (796583).
  https://bugs.launchpad.net/bugs/346386
 
  Title:
[MASTER] Update fails with invalid package files with Encountered a
section with no Package: header
 
  Status in “apt” package in Ubuntu:
Fix Released
  Status in “apt” source package in Natty:
Triaged
  Status in “apt” package in Debian:
Unknown
 
  Bug description:
Binary package hint: adept-updater
 
Pertinent data printed when attempting to run Updater as follows:
 
An unresolvable problem occurred while initializing the package
information.
 
Please report this bug against the 'update-manager' package and
include the following error message:
 
'E:Encountered a section with no Package: header, E:Problem with
MergeList /var/lib/apt/lists/us.archive.ubuntu
.com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
package lists or status file could not be parsed or opened.'
 
WORKAROUND:
Remove problematic files from /var/lib/apt/lists/ and rerun apt-get
 update.
 
In the event that one is connected to a network with a proxy server
that returns html pages (like a web page requesting you to login) and
not package list files.   Those html files will get downloaded to
/var/lib/apt/lists/ and prevent someone from using a package manager
until the problem html pages are removed.
 
TEST CASE:
1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
2) Setup proxy server to block access to archive.ubuntu.com and return
 something like http://people.canonical.com/~brian/tmp/not-packages.html
3) Execute 'sudo apt-get update' in a terminal
4) Observe the following:
'E: Encountered a section with no Package: header
 E: Problem with MergeList
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
 E: The package lists or status file could not be parsed or opened.'
5) Try 'apt-cache policy apt' and be sad that it doesn't work
 
With the proposed package installed repeat steps 1 to 3.
4) Observe the following:
''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
Ign http://archive.ubuntu.com oneiric InRelease
E: GPG error: http://archive.ubuntu.com oneiric InRelease: The
 following signatures were invalid: NODATA 1 NODATA 2'
5) Try 'apt-cache policy apt' and be happy that it works
 
  To manage notifications about this bug go to:
  https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions

 --
 You received this bug notification because you are subscribed to a
 duplicate bug report (796740).
 https://bugs.launchpad.net/bugs/346386

 Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

 Status in “apt” package in Ubuntu:
  Fix Released
 Status in “apt” source package in Natty:
  Triaged
 Status in “apt” package in Debian:
  Unknown

 Bug description:
  Binary package hint: adept-updater

  Pertinent data printed when attempting to run Updater as follows:

  An unresolvable problem occurred while initializing the package
  information.

  Please report this bug against the 'update-manager' package and
  include the following error message:

  'E:Encountered a section with no Package: header, E:Problem with
  MergeList /var/lib/apt/lists/us.archive.ubuntu
  .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
  package lists or status file could not be parsed or opened.'

  WORKAROUND:
  Remove problematic files from /var/lib/apt/lists/ and rerun apt-get
 update.

  In the event that one is connected to a network with a proxy server
  that returns html pages (like a web page requesting you to login) and
  not package list files.   Those html files will get downloaded to
  /var/lib/apt/lists/ and prevent someone from using a package manager
  until the problem html pages are removed.

  TEST CASE:
  1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
  2) Setup proxy server to block access to archive.ubuntu.com and return
 something like 

Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Dalison Rocha]

Obrigado!(Thank you!)

2011/6/14 Brian Murray br...@ubuntu.com

 Attached is a debdiff suitable for SRU to Natty.

 ** Patch added: apt_0.8.13.2ubuntu4.debdiff

 https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+attachment/2169144/+files/apt_0.8.13.2ubuntu4.debdiff

 --
 You received this bug notification because you are subscribed to a
 duplicate bug report (796740).
 https://bugs.launchpad.net/bugs/346386

 Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

 Status in “apt” package in Ubuntu:
  Fix Released
 Status in “apt” source package in Natty:
  Triaged
 Status in “apt” package in Debian:
  Unknown

 Bug description:
  Binary package hint: adept-updater

  Pertinent data printed when attempting to run Updater as follows:

  An unresolvable problem occurred while initializing the package
  information.

  Please report this bug against the 'update-manager' package and
  include the following error message:

  'E:Encountered a section with no Package: header, E:Problem with
  MergeList /var/lib/apt/lists/us.archive.ubuntu
  .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
  package lists or status file could not be parsed or opened.'

  WORKAROUND:
  Remove problematic files from /var/lib/apt/lists/ and rerun apt-get
 update.

  In the event that one is connected to a network with a proxy server
  that returns html pages (like a web page requesting you to login) and
  not package list files.   Those html files will get downloaded to
  /var/lib/apt/lists/ and prevent someone from using a package manager
  until the problem html pages are removed.

  TEST CASE:
  1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
  2) Setup proxy server to block access to archive.ubuntu.com and return
 something like http://people.canonical.com/~brian/tmp/not-packages.html
  3) Execute 'sudo apt-get update' in a terminal
  4) Observe the following:
  'E: Encountered a section with no Package: header
   E: Problem with MergeList
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
   E: The package lists or status file could not be parsed or opened.'
  5) Try 'apt-cache policy apt' and be sad that it doesn't work

  With the proposed package installed repeat steps 1 to 3.
  4) Observe the following:
  ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
  Ign http://archive.ubuntu.com oneiric InRelease
  E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following
 signatures were invalid: NODATA 1 NODATA 2'
  5) Try 'apt-cache policy apt' and be happy that it works

 To manage notifications about this bug go to:
 https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions


-- 
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/346386

Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

To manage notifications about this bug go to:
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Re: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[PMPope]

Thanks for the help! It worked like a charm!

Pace e bene
Philip

*MultiMedia*

by *P*M*P*o*p*e

[image: Creative Commons
License]http://creativecommons.org/licenses/by-nc-sa/3.0/
Works by PMPope 2011

by PMPope, Philip M.
Popehttp://creativecommons.org/choose/www.edgedata.blogspot.com

is licensed under a
http://creativecommons.org/licenses/by-nc-sa/3.0/

Creative Commons Attribution-NonCommercial-ShareAlike
http://creativecommons.org/licenses/by-nc-sa/3.0/

3.0 Unported License http://creativecommons.org/licenses/by-nc-
sa/3.0/.

*704-726-2780*

*2011*
Signature powered by
http://www.wisestamp.com/email-install?utm_source=extensionutm_medium=emailutm_campaign=footer
WiseStamphttp://www.wisestamp.com/email-install?utm_source=extensionutm_medium=emailutm_campaign=footer


On Thu, Jun 9, 2011 at 9:19 PM, Xillix 346...@bugs.launchpad.net
wrote:

 I had this issue and fixed it by the following. Make sure you are
 authenticated before running the rm.

 sudo rm /var/lib/apt/lists/* -vf
 sudo apt-get clean
 sudo apt-get update
 sudo apt-get upgrade

 --
 You received this bug notification because you are subscribed to a
 duplicate bug report (791696).
 https://bugs.launchpad.net/bugs/346386

 Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

 Status in “apt” package in Ubuntu:
  Fix Released
 Status in “apt” package in Debian:
  Unknown

 Bug description:
  Binary package hint: adept-updater

  Pertinent data printed when attempting to run Updater as follows:

  An unresolvable problem occurred while initializing the package
  information.

  Please report this bug against the 'update-manager' package and
  include the following error message:

  'E:Encountered a section with no Package: header, E:Problem with
  MergeList /var/lib/apt/lists/us.archive.ubuntu
  .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
  package lists or status file could not be parsed or opened.'

  Ubuntu 8.10

  Need workaround to permit updating - usual apt-get commands (clean,
  update) haven't worked; message as follows:

  Reading package lists... Error!
  E: Encountered a section with no Package: header
  E: Problem with MergeList
 /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_intrepid_universe_binary-amd64_Packages
  E: The package lists or status file could not be parsed or opened.

 To manage notifications about this bug go to:
 https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions


-- 
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/346386

Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

To manage notifications about this bug go to:
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Med Idriss Taki]

Thank you all of you
I had this bug too on Ubuntu 11.04.
Now it is fixed with this:

 sudo rm /var/lib/apt/lists/* -vf
 sudo apt-get clean
 sudo apt-get update
 sudo apt-get upgrade

God bless you

-- 
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/346386

Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions

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RE: [Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[jim carlson]

Absolutely perfect solution.  Worked extremely well.  I knew I had a problem 
with one of the files, and it should have been deleted.  However I didn't known 
about clean, update and upgrade (which I guess is what the Update-Manager does).

Thank you for the quick response.

JIM

 Date: Tue, 14 Jun 2011 16:40:21 +
 From: 346...@bugs.launchpad.net
 To: carxf...@hotmail.com
 Subject: [Bug 346386] Re: [MASTER] Update fails with invalid package files
 with Encountered a section with no Package: header
 
 Thank you all of you
 I had this bug too on Ubuntu 11.04.
 Now it is fixed with this:
 
  sudo rm /var/lib/apt/lists/* -vf
  sudo apt-get clean
  sudo apt-get update
  sudo apt-get upgrade
 
 God bless you
 
 -- 
 You received this bug notification because you are subscribed to a
 duplicate bug report (796583).
 https://bugs.launchpad.net/bugs/346386
 
 Title:
   [MASTER] Update fails with invalid package files with Encountered a
   section with no Package: header
 
 Status in “apt” package in Ubuntu:
   Fix Released
 Status in “apt” source package in Natty:
   Triaged
 Status in “apt” package in Debian:
   Unknown
 
 Bug description:
   Binary package hint: adept-updater
 
   Pertinent data printed when attempting to run Updater as follows:
 
   An unresolvable problem occurred while initializing the package
   information.
 
   Please report this bug against the 'update-manager' package and
   include the following error message:
 
   'E:Encountered a section with no Package: header, E:Problem with
   MergeList /var/lib/apt/lists/us.archive.ubuntu
   .com_ubuntu_dists_intrepid_universe_binary-amd64_Packages, E:The
   package lists or status file could not be parsed or opened.'
 
   WORKAROUND:
   Remove problematic files from /var/lib/apt/lists/ and rerun apt-get update.
 
   In the event that one is connected to a network with a proxy server
   that returns html pages (like a web page requesting you to login) and
   not package list files.   Those html files will get downloaded to
   /var/lib/apt/lists/ and prevent someone from using a package manager
   until the problem html pages are removed.
 
   TEST CASE:
   1) Ensure /etc/apt/sources.list points to archive.ubuntu.com
   2) Setup proxy server to block access to archive.ubuntu.com and return 
 something like http://people.canonical.com/~brian/tmp/not-packages.html
   3) Execute 'sudo apt-get update' in a terminal
   4) Observe the following:
   'E: Encountered a section with no Package: header
E: Problem with MergeList 
 /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_natty_main_binary-amd64_Packages
E: The package lists or status file could not be parsed or opened.'
   5) Try 'apt-cache policy apt' and be sad that it doesn't work
 
   With the proposed package installed repeat steps 1 to 3.
   4) Observe the following:
   ''Get:1 http://archive.ubuntu.com oneiric InRelease [189 B]
   Ign http://archive.ubuntu.com oneiric InRelease
   E: GPG error: http://archive.ubuntu.com oneiric InRelease: The following 
 signatures were invalid: NODATA 1 NODATA 2'
   5) Try 'apt-cache policy apt' and be happy that it works
 
 To manage notifications about this bug go to:
 https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions

-- 
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/346386

Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

To manage notifications about this bug go to:
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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Brian Murray]

Attached is a debdiff suitable for SRU to Natty.

** Patch added: apt_0.8.13.2ubuntu4.debdiff
   
https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+attachment/2169144/+files/apt_0.8.13.2ubuntu4.debdiff

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Launchpad Bug Tracker]

** Branch linked: lp:debian/experimental/apt

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Michael Vogt]

** Also affects: apt (Ubuntu Natty)
   Importance: Undecided
   Status: New

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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[Bug 346386] Re: [MASTER] Update fails with invalid package files with Encountered a section with no Package: header

[Brian Murray]

** Changed in: apt (Ubuntu Natty)
   Importance: Undecided = High

** Changed in: apt (Ubuntu Natty)
   Status: New = Triaged

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Title:
  [MASTER] Update fails with invalid package files with Encountered a
  section with no Package: header

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