JJB update is failing due to BadHTTPException: Error communicating with server

I have installed ubuntu 14.04 on workstation and configured jenkins, while running jjb update im seeing the below error.

root@ubuntu:~# jenkins-jobs update ~/openstack/jjb/blr/
INFO:root:Updating jobs in ['/root/openstack/jjb/blr/'] ([])
/usr/local/lib/python2.7/dist-packages/jenkins/_init_.py:644: DeprecationWarning: get_plugins_info() is deprecated, use get_plugins()
DeprecationWarning)
Traceback (most recent call last):
File "/usr/local/bin/jenkins-jobs", line 10, in <module>
sys.exit(main())
File "/usr/local/lib/python2.7/dist-packages/jenkins_jobs/cli/entry.py", line 139, in main
jjb.execute()
File "/usr/local/lib/python2.7/dist-packages/jenkins_jobs/cli/entry.py", line 133, in execute
jenkins_jobs.cmd.execute(self._options, self._config_file_values)
File "/usr/local/lib/python2.7/dist-packages/jenkins_jobs/cmd.py", line 269, in execute
n_workers=options.n_workers)
File "/usr/local/lib/python2.7/dist-packages/jenkins_jobs/builder.py", line 348, in update_jobs
self.load_files(input_fn)
File "/usr/local/lib/python2.7/dist-packages/jenkins_jobs/builder.py", line 245, in load_files
self.parser = YamlParser(self.global_config, self.plugins_list)
File "/usr/local/lib/python2.7/dist-packages/jenkins_jobs/builder.py", line 241, in plugins_list
self._plugins_list = self.jenkins.get_plugins_info()
File "/usr/local/lib/python2.7/dist-packages/jenkins_jobs/builder.py", line 205, in get_plugins_info
raise e
jenkins.BadHTTPException: Error communicating with serverhttp://192.168.237.130:8080/
root@ubuntu:~#