Failed to fetch http://downloads.mongodb.org/distros/ubuntu/dists/10.4/Release

[hd-deman]

not working for me on Ubuntu Server 12.04.2 LTS

ubuntu@ip-xxxxxx:/usr/local/src/graylog2-bootstrap$ ./bootstrap.sh
Reading package lists... Done
Building dependency tree       
Reading state information... Done
python-software-properties is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 45 not upgraded.
Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring /tmp/tmp.W0ZT6tb7ld --trustdb-name /etc/apt/trustdb.gpg --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyserver keyserver.ubuntu.com --recv 7F0CEB10
gpg: requesting key 7F0CEB10 from hkp server keyserver.ubuntu.com
gpg: key 7F0CEB10: "Richard Kreuter <[email protected]>" not changed
gpg: Total number processed: 1
gpg:              unchanged: 1
Get:1 http://security.ubuntu.com precise-security Release.gpg [198 B]
Get:2 http://security.ubuntu.com precise-security Release [49.6 kB]                                                      
Get:3 http://security.ubuntu.com precise-security/main Sources [81.5 kB]                                                                               
Hit http://eu-west-1.ec2.archive.ubuntu.com precise Release.gpg               
Get:4 http://security.ubuntu.com precise-security/universe Sources [26.3 kB]                
Hit http://downloads.mongodb.org 10.4 Release.gpg                                                    
Get:5 http://security.ubuntu.com precise-security/main amd64 Packages [292 kB]              
Get:6 http://eu-west-1.ec2.archive.ubuntu.com precise-updates Release.gpg [198 B]                    
Hit http://downloads.mongodb.org 10.4 Release                                 
Get:7 http://security.ubuntu.com precise-security/universe amd64 Packages [76.0 kB]           
Hit http://eu-west-1.ec2.archive.ubuntu.com precise Release                                             
Get:8 http://security.ubuntu.com precise-security/main i386 Packages [308 kB]                 
Get:9 http://security.ubuntu.com precise-security/universe i386 Packages [78.7 kB]                    
Hit http://security.ubuntu.com precise-security/main TranslationIndex            
Get:10 http://eu-west-1.ec2.archive.ubuntu.com precise-updates Release [49.6 kB]
Hit http://security.ubuntu.com precise-security/universe TranslationIndex
Hit http://security.ubuntu.com precise-security/main Translation-en    
Hit http://security.ubuntu.com precise-security/universe Translation-en
Hit http://eu-west-1.ec2.archive.ubuntu.com precise/main Sources
Hit http://eu-west-1.ec2.archive.ubuntu.com precise/universe Sources
Hit http://eu-west-1.ec2.archive.ubuntu.com precise/main amd64 Packages
Hit http://eu-west-1.ec2.archive.ubuntu.com precise/universe amd64 Packages
Hit http://eu-west-1.ec2.archive.ubuntu.com precise/main i386 Packages
Hit http://eu-west-1.ec2.archive.ubuntu.com precise/universe i386 Packages
Hit http://eu-west-1.ec2.archive.ubuntu.com precise/main TranslationIndex
Hit http://eu-west-1.ec2.archive.ubuntu.com precise/universe TranslationIndex
Get:11 http://eu-west-1.ec2.archive.ubuntu.com precise-updates/main Sources [397 kB]
Get:12 http://eu-west-1.ec2.archive.ubuntu.com precise-updates/universe Sources [90.9 kB]
Get:13 http://eu-west-1.ec2.archive.ubuntu.com precise-updates/main amd64 Packages [642 kB]
Get:14 http://eu-west-1.ec2.archive.ubuntu.com precise-updates/universe amd64 Packages [206 kB]
Get:15 http://eu-west-1.ec2.archive.ubuntu.com precise-updates/main i386 Packages [661 kB]
Get:16 http://eu-west-1.ec2.archive.ubuntu.com precise-updates/universe i386 Packages [209 kB]
Hit http://eu-west-1.ec2.archive.ubuntu.com precise-updates/main TranslationIndex
Hit http://eu-west-1.ec2.archive.ubuntu.com precise-updates/universe TranslationIndex
Hit http://eu-west-1.ec2.archive.ubuntu.com precise/main Translation-en
Hit http://eu-west-1.ec2.archive.ubuntu.com precise/universe Translation-en
Hit http://eu-west-1.ec2.archive.ubuntu.com precise-updates/main Translation-en
Hit http://eu-west-1.ec2.archive.ubuntu.com precise-updates/universe Translation-en
Fetched 3,168 kB in 5s (528 kB/s)
W: Failed to fetch http://downloads.mongodb.org/distros/ubuntu/dists/10.4/Release  Unable to find expected entry '10gen/source/Sources' in Release file (Wrong sources.list entry or malformed file)

E: Some index files failed to download. They have been ignored, or old ones used instead.

and after run this line added to /etc/apt/sources.list

deb-src http://downloads.mongodb.org/distros/ubuntu 10.4 10gen