the bug fixed, you are right about "sudo rm /var/lib/apt/lists/*" did not
remove the
.../lists/partial directory but the "sudo apt-get update" worked and now i
don't have any problem.

thank you

On Thu, Oct 11, 2012 at 10:10 AM, Kayode Odusote
<email address hidden>wrote:

> 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 <email address hidden> 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 no    Package: 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 <email address hidden>
> > + 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
> >
> > --
> > You received this bug notification because you are subscribed to a
> > duplicate bug report (1041914).
> > 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 no    Package: 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 <email address hidden>
> >   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
> >
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1049580).
> 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 no    Package: 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 <email address hidden>
>   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
>