FailedConsole Output

Started by timer
Running as SYSTEM
Building on master in workspace /usr/share/tomcat8/.jenkins/jobs/DL-Learner_examples/workspace
No credentials specified
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url https://github.com/SmartDataAnalytics/DL-Learner.git # timeout=10
Fetching upstream changes from https://github.com/SmartDataAnalytics/DL-Learner.git
 > git --version # timeout=10
 > git fetch --tags --progress -- https://github.com/SmartDataAnalytics/DL-Learner.git +refs/heads/*:refs/remotes/origin/* # timeout=10
ERROR: Error fetching remote repo 'origin'
hudson.plugins.git.GitException: Failed to fetch from https://github.com/SmartDataAnalytics/DL-Learner.git
	at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:915)
	at hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1141)
	at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1177)
	at hudson.scm.SCM.checkout(SCM.java:505)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1206)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:574)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:499)
	at hudson.model.Run.execute(Run.java:1880)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
	at hudson.model.ResourceController.execute(ResourceController.java:97)
	at hudson.model.Executor.run(Executor.java:428)
Caused by: hudson.plugins.git.GitException: Command "git fetch --tags --progress -- https://github.com/SmartDataAnalytics/DL-Learner.git +refs/heads/*:refs/remotes/origin/*" returned status code 128:
stdout: 
stderr: fatal: unable to access 'https://github.com/SmartDataAnalytics/DL-Learner.git/': Empty reply from server

	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:2436)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:2050)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$500(CliGitAPIImpl.java:84)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:572)
	at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:913)
	... 11 more
ERROR: Error fetching remote repo 'origin'
Sending e-mails to: patrick.westphal@informatik.uni-leipzig.de sbin@informatik.uni-leipzig.de
Finished: FAILURE