I recently updated my git-client plugin to 2.7.5. After that jobs began to timeout during fetching repository. It happened on 2 different repositories before I made a rollback to the 2.7.4 version which fixed this issue for me. 

          [JENKINS-55471] Git fetch timeout

          Michał Gliniecki created issue -
          Mark Waite made changes -
          Resolution New: Not A Defect [ 7 ]
          Status Original: Open [ 1 ] New: Fixed but Unreleased [ 10203 ]
          Mark Waite made changes -
          Status Original: Fixed but Unreleased [ 10203 ] New: Closed [ 6 ]

            markewaite Mark Waite
            michal_gliniecki Michał Gliniecki
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