process i/o failed: (())

ssh_could_not_resolve_host_name

127.0.0.1 - - [31/Jul/2014 09:50:58] "POST /job/submit HTTP/1.1" 500 -
Traceback (most recent call last):
  File "/W5/sade/workspace/sqmpy-env/lib/python2.7/site-packages/flask/app.py", line 1836, in __call__
    return self.wsgi_app(environ, start_response)
  File "/W5/sade/workspace/sqmpy-env/lib/python2.7/site-packages/flask/app.py", line 1820, in wsgi_app
    response = self.make_response(self.handle_exception(e))
  File "/W5/sade/workspace/sqmpy-env/lib/python2.7/site-packages/flask/app.py", line 1403, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "/W5/sade/workspace/sqmpy-env/lib/python2.7/site-packages/flask/app.py", line 1817, in wsgi_app
    response = self.full_dispatch_request()
  File "/W5/sade/workspace/sqmpy-env/lib/python2.7/site-packages/flask/app.py", line 1477, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/W5/sade/workspace/sqmpy-env/lib/python2.7/site-packages/flask/app.py", line 1381, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/W5/sade/workspace/sqmpy-env/lib/python2.7/site-packages/flask/app.py", line 1475, in full_dispatch_request
    rv = self.dispatch_request()
  File "/W5/sade/workspace/sqmpy-env/lib/python2.7/site-packages/flask/app.py", line 1461, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/W5/sade/workspace/sqmpy-env/lib/python2.7/site-packages/flask_login.py", line 758, in decorated_view
    return func(*args, **kwargs)
  File "/W5/sade/workspace/simple-queue-manager/sqmpy/job/views.py", line 107, in submit
    form.description.data)
  File "/W5/sade/workspace/simple-queue-manager/sqmpy/job/services.py", line 37, in submit_job
    description, **kwargs)
  File "/W5/sade/workspace/simple-queue-manager/sqmpy/job/manager.py", line 93, in submit_job
    saga_wrapper = SagaJobWrapper(job)
  File "/W5/sade/workspace/simple-queue-manager/sqmpy/job/saga_helper.py", line 52, in __init__
    session=self._session)
  File "/W5/sade/workspace/sqmpy-env/lib/python2.7/site-packages/saga_python-0.17-py2.7.egg/saga/job/service.py", line 109, in __init__
    url, session, ttype=_ttype)
  File "/W5/sade/workspace/sqmpy-env/lib/python2.7/site-packages/saga_python-0.17-py2.7.egg/saga/base.py", line 99, in __init__
    self._init_task = self._adaptor.init_instance (adaptor_state, *args, **kwargs)
  File "/W5/sade/workspace/sqmpy-env/lib/python2.7/site-packages/saga_python-0.17-py2.7.egg/saga/adaptors/cpi/decorators.py", line 51, in wrap_function
    return sync_function (self, *args, **kwargs)
  File "/W5/sade/workspace/sqmpy-env/lib/python2.7/site-packages/saga_python-0.17-py2.7.egg/saga/adaptors/shell/shell_job.py", line 357, in init_instance
    self._logger, opts=self.opts)
  File "/W5/sade/workspace/sqmpy-env/lib/python2.7/site-packages/saga_python-0.17-py2.7.egg/saga/utils/pty_shell.py", line 224, in __init__
    self.pty_info   = self.factory.initialize (self.url, self.session, self.prompt, self.logger)
  File "/W5/sade/workspace/sqmpy-env/lib/python2.7/site-packages/saga_python-0.17-py2.7.egg/saga/utils/pty_shell_factory.py", line 183, in initialize
    self._initialize_pty (info['pty'], info, is_shell=True)
  File "/W5/sade/workspace/sqmpy-env/lib/python2.7/site-packages/saga_python-0.17-py2.7.egg/saga/utils/pty_shell_factory.py", line 386, in _initialize_pty
    raise ptye.translate_exception (e)
NoSuccess: process I/O failed:  (/W5/sade/workspace/sqmpy-env/lib/python2.7/site-packages/saga_python-0.17-py2.7.egg/saga/utils/pty_process.py +533 (read)  :  raise se.NoSuccess ("process I/O failed: %s" % self.tail))