org.eclipse.jgit.api.errors
Exceptions 
CanceledException
CannotDeleteCurrentBranchException
CheckoutConflictException
ConcurrentRefUpdateException
DetachedHeadException
GitAPIException
InvalidConfigurationException
InvalidMergeHeadsException
InvalidRefNameException
InvalidRemoteException
InvalidTagNameException
JGitInternalException
MultipleParentsNotAllowedException
NoFilepatternException
NoHeadException
NoMessageException
NotMergedException
RefAlreadyExistsException
RefNotFoundException
UnmergedPathsException
WrongRepositoryStateException