Android source code[ 源代码]下载，问题和解决办法

My environments: Ubuntu 11.04
Android source code: Android-4.1.1.1_r4
How to download the Android source code?
   Referenced from:http://source.android.com/source/downloading.html
   But maybe you will get many error as below, you just need the constancy or re do the "repo sync" command!!
   =========Get error:===========================

[plain]
fatal: Not a git repository: '/home/yourname/android_source/.repo/projects/abi/cpp.git'
fatal: Not a git repository: '/home/yourname/android_source/.repo/projects/abi/cpp.git'
error: Cannot fetch platform/abi/cpp
warn: --force-broken, continuing to sync
Fetching projects:   3% (7/228) fatal: Not a git repository: '/home/yourname/android_source/.repo/projects/cts.git'
fatal: Not a git repository: '/home/yourname/android_source/.repo/projects/cts.git'
error: Cann ot fetch platform/cts
warn: --force-broken, continuing to sync
error: The requested URL returned error: 403 while accessing https://android.googlesource.com/platform/development/info/refs

fatal: HTTP request failed
error: gnutls_handshake() failed: A TLS packet with unexpected length was received. while accessing https://android.googlesource.com/platform/ development/info/refs

fatal: HTTP request failed
error: Cannot fetch platform/development
warn: --force-broken, continuing to sync

========Sovle above problem:============================

[plain]
cxl@cxl-ThinkPad-E420:~/android_source/.repo/projects/abi$ rm -f -r cpp.git
cxl@cxl-ThinkPad-E420:~/android_source/.repo/projects/rm -f -r cts.git

   ========Finish download the source code=================
[plain]
cxl@cxl-ThinkPad-E420:~/android_source$ repo sync
......
* [new tag]         android-4.1.1_r4 -> android-4.1.1_r4
remote: Counting objects: 1, done
remote: Finding sources: 100% (1/1)
remote: Total 1 (delta 0), reused 1 (delta 0)
Unpacking objects: 100% (1/1), done.
From https://android.googlesource.com/platform/packages/apps/BasicSmsReceiver
* [new tag]         android-4.1.1_r4 -> android-4.1.1_r4
remote: Counting objects: 65, done
remote: Finding sources: 100% (40/40)
remote: Getting sizes: 100% (40/40)
remote: Compressing objects: 100% (15/15)
remote: Total 40 (delta 21), reused 36 (delta 21)
Unpacking objects: 100% (40/40), done.
From https://android.googlesource.com/platform/sdk
   9d34dab..0920b8e master     -> aosp/master
Fetching projects: 100% (294/294), done.
info: A new version of repo is available

project .repo/repo/
Updating e8f75fa..5e7127d
Fast-forward
docs/manifest-format.txt |   13 ++++-
git_command.py           |    2 +-
manifest_xml.py          |   19 ++++--
project.py               | 148 +++++++++++++---------------------------------
subcmds/overview.py      |   80 +++++++++++++++++++++++++
subcmds/sync.py          |    6 +-
subcmds/upload.py        |    5 +-
7 files changed, 157 insertions(+), 116 deletions(-)
create mode 100644 subcmds/overview.py

info: Restarting repo with latest version
Fetching projects: 100% (294/294), done.
Checking out files: 100% (4587/4587), done.ut files: 36% (1666/4587)
Checking out files: 100% (6222/6222), done.out files: 26% (1625/6222)
Checking out files: 100% (8843/8843), done. out files:   8% (755/8843)
Checking out files: 100% (24601/24601), done.ut files: 40% (9923/24601)
Checking out files: 100% (17893/17893), done.ut files:   8% (1465/17893)
Checking out files: 100% (624/624), done.
Checking out files: 100% (974/974), done.ng out files:   1% (12/974)
Checking out files: 100% (667/667), done.ng out files: 15% (104/667)
Checking out files: 100% (370/370), done.ng out files:   8% (30/370)
Checking out files: 100% (2407/2407), done. out files: 29% (720/2407)
Checking out files: 100% (2412/2412), done. out files:   1% (27/2412)
Checking out files: 100% (974/974), done.
Checking out files: 100% (26958/26958), done.ut files: 32% (8780/26958)
Checking out files: 100% (81/81), done.
Checking out files: 100% (441/441), done.ng out files: 46% (205/441)
Checking out files: 100% (4344/4344), done.
Syncing work tree: 100% (294/294), done.

-----------------------------------------------------Below is another solution, but it is not fix my problem,my be you can try it-----------------------------------------------------------

The error:
[plain] view plaincopyprint?
Exception in thread Thread-119:
Traceback (most recent call last):
File "/usr/lib/python2.7/threading.py", line 552, in __bootstrap_inner
    self.run()
File "/usr/lib/python2.7/threading.py", line 505, in run
    self.__target(*self.__args, **self.__kwargs)
File "/home/cxl/android_source/.repo/repo/subcmds/sync.py", line 200, in _FetchHelper
    clone_bundle=not opt.no_clone_bundle)
File "/home/cxl/android_source/.repo/repo/project.py", line 968, in Sync_NetworkHalf
    and self._ApplyCloneBundle(initial=is_new, quiet=quiet):
File "/home/cxl/android_source/.repo/repo/project.py", line 1526, in _ApplyCloneBundle
    exist_dst = self._FetchBundle(bundle_url, bundle_tmp, bundle_dst, quiet)
File "/home/cxl/android_source/.repo/repo/project.py", line 1590, in _FetchBundle
    raise DownloadError('%s: %s ' % (req.get_host(), str(e)))
DownloadError: android.googlesource.com: <urlopen error [Errno 8] _ssl.c:503: EOF occurred in violation of protocol>

error: RPC failed; result=56, HTTP code = 200B
fatal: The remote end hung up unexpectedly
fatal: early EOF
fatal: index-pack failed
warning: https unexpectedly said: '0000'
error: Cannot fetch platform/external/qemu

===========solution:================

补充：移动开发 , Android ,