Eclipse git Pull quote nothing-to-fetch exception reason

Eclipse git pull Error
Using this configuration there will be org.eclipse.jgit.api.errors.TransportException:Nothing to fetch. Abnormal
[Core]
repositoryformatversion = 0
FileMode = False
Logallrefupdates = True
[branch "master"]
Remote = origin
Merge = Refs/heads/master
[remote "origin"]
URL = https://code.jd.com/tree_new_bee/MySinaWeiboApp.git
Fetch = +refs/heads/*:refs/remotes/origin/*

Problem solving:
Using this configuration, you can pull normally.
[Core]
symlinks = false//added this same, specific why do not know, to these parameters also do not understand, want to have the understanding of friends to share under.
repositoryformatversion = 0
FileMode = False
Logallrefupdates = True
[branch "master"]
Remote = origin
Merge = Refs/heads/master
[remote "origin"]
URL = https://code.jd.com/tree_new_bee/MySinaWeiboApp.git
Fetch = +refs/heads/*:refs/remotes/origin/*

Eclipse git Pull quote nothing-to-fetch exception reason