[Code] fixed the issue that the repository can not be deleted in some cases.#42841

Merged

fantapsody merged 3 commits intoelastic:masterfrom

fantapsody:fix_update_error

Aug 9, 2019

Commits on Aug 7, 2019

[Code] fixed the issue that the repository can not be deleted in some
Yang Yang
committed

Commits on Aug 8, 2019

[Code] catch the rejected exception while cancelling the job, and added
Yang Yang
committed
[Code] refined tests for CancellationService by deferred completion of
Yang Yang
committed