jenkins构建时git报错：hudson.plugins.git.GitException: Failed to fetch from

问题：

jenkins拉取远程代码构建git报错：hudson.plugins.git.GitException: Failed to fetch from 拉不到远程分支

提示信息如下

ERROR: Error fetching remote repo 'origin'
hudson.plugins.git.GitException: Failed to fetch from http://http://XXX:8086/root/XXX
	at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:1003)
	at hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1244)
	at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1308)
	at hudson.scm.SCM.checkout(SCM.java:540)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1217)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:647)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:85)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:519)
	at hudson.model.Run.execute(Run.java:1897)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:44)
	at hudson.model.ResourceController.execute(ResourceController.java:101)
	at hudson.model.Executor.run(Executor.java:442)
Caused by: hudson.plugins.git.GitException: Command "/usr/bin/git fetch --tags --progress http://XXX:8086/root/XXX +refs/heads/*:refs/remotes/origin/*" returned status code 128:
stdout: 
stderr: error: RPC failed; result=22, HTTP code = 404
fatal: The remote end hung up unexpectedly

	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:2675)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:2099)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$500(CliGitAPIImpl.java:85)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:619)
	at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:1001)
	... 11 more
ERROR: Error fetching remote repo 'origin'
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解决方法：

在拉取代码的url上加上.git 解决