[29/Aug/2016 09:21:28 -0700] connectionpool DEBUG    "DELETE /sessions/7 HTTP/1.1" 200 17
[29/Aug/2016 09:21:28 -0700] resource     DEBUG    DELETE Got response: {"msg":"deleted"}
[29/Aug/2016 09:21:28 -0700] access       INFO     216.145.54.44 rbernota - "POST /notebook/api/create_session HTTP/1.1"
[29/Aug/2016 09:21:28 -0700] connectionpool DEBUG    "POST /sessions HTTP/1.1" 500 311
[29/Aug/2016 09:21:28 -0700] decorators   ERROR    Error running <function create_session at 0x7fbc532cfe60>
Traceback (most recent call last):
  File "/home/y/libexec64/ygrid_hue/desktop/libs/notebook/src/notebook/decorators.py", line 81, in decorator
    return func(*args, **kwargs)
  File "/home/y/libexec64/ygrid_hue/desktop/libs/notebook/src/notebook/api.py", line 79, in create_session
    response['session'] = get_api(request, session).create_session(lang=session['type'], properties=properties)
  File "/home/y/libexec64/ygrid_hue/desktop/libs/notebook/src/notebook/connectors/spark_shell.py", line 163, in create_session
    response = api.create_session(**props)
  File "/home/y/libexec64/ygrid_hue/apps/spark/src/spark/job_server_api.py", line 101, in create_session
    return self._root.post('sessions', data=json.dumps(properties), contenttype=_JSON_CONTENT_TYPE)
  File "/home/y/libexec64/ygrid_hue/desktop/core/src/desktop/lib/rest/resource.py", line 132, in post
    allow_redirects=allow_redirects, clear_cookies=clear_cookies)
  File "/home/y/libexec64/ygrid_hue/desktop/core/src/desktop/lib/rest/resource.py", line 81, in invoke
    clear_cookies=clear_cookies)
  File "/home/y/libexec64/ygrid_hue/desktop/core/src/desktop/lib/rest/http_client.py", line 173, in execute
    raise self._exc_class(ex)
RestException: "com.fasterxml.jackson.databind.JsonMappingException: Can not deserialize instance of scala.collection.immutable.List out of VALUE_STRING token\n at [Source: HttpInputOverHTTP@7cb46d37; line: 1, column: 114] (through reference chain: com.cloudera.livy.server.interactive.CreateInteractiveRequest[\"archives\"])" (error 500)