Can't install Atlassian SDK in Linux

I’m running into an issue where I can not install the Atlas SDK in Ubuntu. I receive the following error now during an apt-get update:

Err:16 stable Release
Unknown date format Bad header data [IP: 443]

Is there anything I can do to work around this issue?

Already reported here:


Try to use instead of

just make sure to type SUDO SU before anything else

sudo sh -c 'echo "deb stable contrib" >>/etc/apt/sources.list'
sudo apt-key add public   
sudo apt-get update
sudo apt-get install atlassian-plugin-sdk
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