HttpClient 3.x is not supported anymore and has several drawbacks, like HTTPCLIENT-799
Also, its connection manager is a pitty, see JENKINS-48019
Bitbucket branch source fail randomically
PR opened : https://github.com/jenkinsci/bitbucket-branch-source-plugin/pull/92
Any update on this one? Since Jenkins is now really getting unusable where 80% of all builds fail due to this
Solution has been merged to master.
Pim Jansen You can now build plugin from master branch or wait until next release.