Install Jenkins in Debian wheezy

$ aptitude install jenkins -y

Configure Apache Traffic Server as an proxy.

Issue

can't access projects configure page while Jenkins auto access ‘job/tiup/buildHistory/ajax’ and throughout exception “Missing the ‘n’ HTTP header”.

Configuring another server using nginx as the proxy, this issue was also appeared.

Solution

update the Jenkins to the newest version.

Uninstall all Jenkins related packages and add the official package repository.

$ aptitude update
$ aptitude install Jenkins.

Access Jenkins again, problem not appeared.