[fb] Pointing to a wrong S3 region breaks with no information

ValueError at /filebrowser/view=s3a://cloudera-hostdata
<class 'boto.exception.S3ResponseError'>

Request Method: GET
Request URL: http://127.0.0.1:8000/filebrowser/view=s3a://cloudera-hostdata?pagesize=45&pagenum=1&filter=&sortby=name&descending=false&format=json
Django Version: 1.6.10
Python Executable: /home/romain/projects/hue/build/env/bin/python2.7
Python Version: 2.7.6
Python Path: ['/home/romain/projects/hue/build/env/bin', '/home/romain/projects/hue/apps/about/src', '/home/romain/projects/hue/apps/beeswax/gen-py', '/home/romain/projects/hue/apps/beeswax/src', '/home/romain/projects/hue/apps/filebrowser/src', '/home/romain/projects/hue/apps/hbase/gen-py', '/home/romain/projects/hue/apps/hbase/src', '/home/romain/projects/hue/apps/help/src', '/home/romain/projects/hue/apps/impala/gen-py', '/home/romain/projects/hue/apps/impala/src', '/home/romain/projects/hue/apps/jobbrowser/src', '/home/romain/projects/hue/apps/jobsub/src', '/home/romain/projects/hue/apps/metastore/src', '/home/romain/projects/hue/apps/oozie/src', '/home/romain/projects/hue/apps/pig/src', '/home/romain/projects/hue/apps/proxy/src', '/home/romain/projects/hue/apps/rdbms/src', '/home/romain/projects/hue/apps/search/src', '/home/romain/projects/hue/apps/security/src', '/home/romain/projects/hue/apps/spark/src', '/home/romain/projects/hue/apps/sqoop/src', '/home/romain/projects/hue/apps/useradmin/src', '/home/romain/projects/hue/apps/zookeeper/src', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/avro-1.7.6-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/Babel-0.9.6-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/BabelDjango-0.2.2-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/boto-2.42.0-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/cffi-1.5.2-py2.7-linux-x86_64.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/configobj-4.6.0-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/cryptography-1.3.1-py2.7-linux-x86_64.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/cx_Oracle-5.1.2-py2.7-linux-x86_64.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/Django-1.6.10-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/django_auth_ldap-1.2.0-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/django_axes-1.5.0-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/django_extensions-1.5.0-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/django_nose-1.3-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/django_openid_auth-0.5-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/djangosaml2-0.13.0-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/elementtree-1.2.6.post20050316-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/enum-0.4.4-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/guppy-0.1.10-py2.7-linux-x86_64.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/httplib2-0.8-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/importlib-1.0.3-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/jdcal-1.0-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/kazoo-2.0-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/kerberos-1.1.1-py2.7-linux-x86_64.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/lockfile-0.8-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/lxml-3.3.6-py2.7-linux-x86_64.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/Mako-0.8.1-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/Markdown-2.0.3-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/MarkupSafe-0.9.3-py2.7-linux-x86_64.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/MySQL_python-1.2.5-py2.7-linux-x86_64.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/ndg_httpsclient-0.4.0-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/openpyxl-2.3.0b2-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/ordereddict-1.1-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/pam-0.1.3-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/parquet-1.0-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/Paste-2.0.1-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/py4j-0.9-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/pyasn1-0.1.8-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/pycparser-2.14-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/pycrypto-2.6.1-py2.7-linux-x86_64.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/pyformance-0.3.2-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/Pygments-1.3.1-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/pyOpenSSL-0.15.1-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/pysaml2-2.4.0-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/pysqlite-2.5.5-py2.7-linux-x86_64.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/python_daemon-1.5.1-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/python_dateutil-2.4.2-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/python_ldap-2.3.13-py2.7-linux-x86_64.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/oauth2-1.5.211-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/python_openid-2.2.5-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/pytidylib-0.2.1-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/pytz-2015.2-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/requests-2.10.0-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/requests_kerberos-0.6.1-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/sasl-0.1.1-py2.7-linux-x86_64.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/simplejson-2.0.9-py2.7-linux-x86_64.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/six-1.9.0-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/South-1.0.2-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/tablib-0.10.0-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/thrift-0.9.1-py2.7-linux-x86_64.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/urllib2_kerberos-0.1.6-py2.7.egg', '/home/romain/projects/hue/desktop/core/src', '/home/romain/projects/hue/desktop/libs/aws/src', '/home/romain/projects/hue/desktop/libs/hadoop/src', '/home/romain/projects/hue/desktop/libs/indexer/src', '/home/romain/projects/hue/desktop/libs/liboauth/src', '/home/romain/projects/hue/desktop/libs/liboozie/src', '/home/romain/projects/hue/desktop/libs/libopenid/src', '/home/romain/projects/hue/desktop/libs/librdbms/src', '/home/romain/projects/hue/desktop/libs/libsaml/src', '/home/romain/projects/hue/desktop/libs/libsentry/src', '/home/romain/projects/hue/desktop/libs/libsolr/src', '/home/romain/projects/hue/desktop/libs/libzookeeper/src', '/home/romain/projects/hue/desktop/libs/metadata/src', '/home/romain/projects/hue/desktop/libs/notebook/src', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/ipdb-0.1dev_r1716-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/ipython-0.10-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/nose-0.11.3-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/coverage-3.7.1-py2.7-linux-x86_64.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/nosetty-0.4-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/Werkzeug-0.6-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/windmill-1.3-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/pylint-0.28.0-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/logilab_astng-0.24.3-py2.7.egg', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/logilab_common-1.2.2-py2.7.egg', '/home/romain/projects/hue/build/env/lib/python2.7', '/home/romain/projects/hue/build/env/lib/python2.7/plat-x86_64-linux-gnu', '/home/romain/projects/hue/build/env/lib/python2.7/lib-tk', '/home/romain/projects/hue/build/env/lib/python2.7/lib-old', '/home/romain/projects/hue/build/env/lib/python2.7/lib-dynload', '/usr/lib/python2.7', '/usr/lib/python2.7/plat-x86_64-linux-gnu', '/usr/lib/python2.7/lib-tk', '/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages', '/usr/local/lib/python2.7/dist-packages/virtualenv-1.10.1-py2.7.egg', '/usr/local/lib/python2.7/site-packages', '/usr/local/lib/python2.7/dist-packages', '/usr/lib/python2.7/site-packages', '/usr/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages/PILcompat', '/usr/lib/python2.7/dist-packages/gtk-2.0', '/usr/lib/python2.7/dist-packages/ubuntu-sso-client', '/home/romain/projects/hue/desktop/libs/libsentry/src/libsentry/../../gen-py', '/home/romain/projects/hue/apps/beeswax/src/beeswax/../../gen-py', '/home/romain/projects/hue/apps/hbase/src/hbase/../../gen-py', '/home/romain/projects/hue/apps/impala/src/impala/../../gen-py', '/home/romain/projects/hue/apps/jobbrowser/src/jobbrowser/../../gen-py', '/home/romain/projects/hue/apps/proxy/src/proxy/../../gen-py']
Server time: Fri, 9 Sep 2016 14:34:49 -0700
Installed Applications:
['django.contrib.auth',
 'django_openid_auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.sites',
 'django.contrib.staticfiles',
 'django.contrib.admin',
 'django_extensions',
 'south',
 'babeldjango',
 'desktop',
 'axes',
 'about',
 'beeswax',
 'filebrowser',
 'hbase',
 'help',
 'impala',
 'jobbrowser',
 'jobsub',
 'metastore',
 'oozie',
 'pig',
 'proxy',
 'rdbms',
 'search',
 'security',
 'spark',
 'sqoop',
 'useradmin',
 'zookeeper',
 'indexer',
 'metadata',
 'notebook']
Installed Middleware:
['desktop.middleware.MetricsMiddleware',
 'desktop.middleware.EnsureSafeMethodMiddleware',
 'desktop.middleware.AuditLoggingMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'desktop.middleware.SpnegoMiddleware',
 'desktop.middleware.HueRemoteUserMiddleware',
 'django.middleware.locale.LocaleMiddleware',
 'babeldjango.middleware.LocaleMiddleware',
 'desktop.middleware.AjaxMiddleware',
 'django.middleware.security.SecurityMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware',
 'desktop.middleware.ContentSecurityPolicyMiddleware',
 'desktop.middleware.LoginAndPermissionMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'desktop.middleware.NotificationMiddleware',
 'desktop.middleware.ExceptionMiddleware',
 'desktop.middleware.ClusterMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.middleware.http.ConditionalGetMiddleware',
 'axes.middleware.FailedLoginMiddleware',
 'desktop.middleware.EnsureSafeRedirectURLMiddleware',
 'useradmin.middleware.LastActivityMiddleware']

Traceback:
File "/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/Django-1.6.10-py2.7.egg/django/core/handlers/base.py" in get_response
  112.                     response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/romain/projects/hue/build/env/local/lib/python2.7/site-packages/Django-1.6.10-py2.7.egg/django/db/transaction.py" in inner
  371.                 return func(*args, **kwargs)
File "/home/romain/projects/hue/apps/filebrowser/src/filebrowser/views.py" in view
  175.         stats = request.fs.stats(path)
File "/home/romain/projects/hue/desktop/core/src/desktop/lib/fs/proxyfs.py" in stats
  102.     return self._get_fs(path).stats(path)
File "/home/romain/projects/hue/desktop/libs/aws/src/aws/s3/__init__.py" in wrapped
  52.       return fn(*args, **kwargs)
File "/home/romain/projects/hue/desktop/libs/aws/src/aws/s3/s3fs.py" in stats
  218.     stats = self._stats(path)
File "/home/romain/projects/hue/desktop/libs/aws/src/aws/s3/s3fs.py" in _stats
  125.       key = self._get_key(path, validate=True)
File "/home/romain/projects/hue/desktop/libs/aws/src/aws/s3/s3fs.py" in _get_key
  111.       raise ValueError(e)

Exception Type: ValueError at /filebrowser/view=s3a://cloudera-hostdata
Exception Value: <class 'boto.exception.S3ResponseError'>
Request information:
GET:
pagenum = u'1'
pagesize = u'45'
format = u'json'
filter = u''
descending = u'false'
sortby = u'name'

POST: No POST data

FILES: No FILES data

COOKIES: