i use multiple scm plugin to configure two git scms with the same git project , but two different branches. and i use the poll scm plugin as trigger . the poll always thinks there is new change even if there is no new changes.

the poll log:

Git Polling Log :

Started on Sep 28, 2015 1:32:00 AM
Polling SCM changes on master
Using strategy: Default
[poll] Last Built Revision: Revision c3b9bbfc4dfc3884fdd3e523e527c03ad97a5e04 (refs/remotes/origin/master)
using GIT_SSH to set credentials ui gitlab deploy key
> git --version # timeout=10
> git -c core.askpass=true ls-remote -h git@git.dev.fwmrm.net:af/engine.git # timeout=10
[poll] Latest remote head revision on origin/master is: c3b9bbfc4dfc3884fdd3e523e527c03ad97a5e04 - already built by 21
Using strategy: Default
[poll] Last Built Revision: Revision c3b9bbfc4dfc3884fdd3e523e527c03ad97a5e04 (refs/remotes/origin/master)
using GIT_SSH to set credentials ui gitlab deploy key
> git --version # timeout=10
> git -c core.askpass=true ls-remote -h git@git.dev.fwmrm.net:af/engine.git # timeout=10
[poll] Latest remote head revision on origin/6.3 is: 1993a6ce1f7192ba0b48b81c0948b1039a169f70
Done. Took 1 sec
Changes found