Hi Tomas, this is what the log file says: 18/Feb/2019 19:34:15 -0800] thrift_util  INFO     Thrift exception; retrying: TSocket read 0 bytes [18/Feb/2019 19:34:16 -0800] thrift_util  INFO     Thrift exception; retrying: TSocket read 0 bytes [18/Feb/2019 19:34:16 -0800] thrift_util  WARNING  Out of retries for thrift call: mutateRows [18/Feb/2019 19:34:16 -0800] thrift_util  INFO     Thrift saw a transport exception: TSocket read 0 bytes [18/Feb/2019 19:34:16 -0800] exceptions_renderable ERROR    Potential trace: [('/usr/lib/hue/apps/hbase/src/hbase/api.py', 46, 'query', 'return getattr(self, action)(*args)'), ('/usr/lib/hue/apps/hbase/src/hbase/api.py', 253, 'bulkUpload', 'client.mutateRows(tableName, batches, None, doas=self.user.username)'), ('/usr/lib/hue/desktop/core/src/desktop/lib/thrift_util.py', 389, 'wrapper', 'raise StructuredThriftTransportException(e, error_code=502)')] [18/Feb/2019 19:34:16 -0800] middleware   INFO     Processing exception: Api Error: TSocket read 0 bytes: Traceback (most recent call last):   File "/usr/lib/hue/build/env/lib/python2.6/site-packages/Django-1.6.10-py2.6.egg/django/core/handlers/base.py", line 112, in get_response     response = wrapped_callback(request, *callback_args, **callback_kwargs)   File "/usr/lib/hue/build/env/lib/python2.6/site-packages/Django-1.6.10-py2.6.egg/django/db/transaction.py", line 371, in inner     return func(*args, **kwargs)   File "/usr/lib/hue/apps/hbase/src/hbase/views.py", line 79, in api_router     return api_dump(HbaseApi(request.user).query(*url_params))   File "/usr/lib/hue/apps/hbase/src/hbase/api.py", line 54, in query     raise PopupException(_("Api Error: %s") % error_msg) PopupException: Api Error: TSocket read 0 bytes ... View more