解决hue报错：timed out (code THRIFTSOCKET): None

报错栈：

[15/Jun/2017 19:25:15 +0800] decorators   ERROR    error running <function execute at 0x7fba2804ecf8>
Traceback (most recent call last):
  File "/home/work/hue-3.10.0/desktop/libs/notebook/src/notebook/decorators.py", line 81, in decorator
    return func(*args, **kwargs)
  File "/home/work/hue-3.10.0/desktop/libs/notebook/src/notebook/api.py", line 109, in execute
    response['handle'] = get_api(request, snippet).execute(notebook, snippet)
  File "/home/work/hue-3.10.0/desktop/libs/notebook/src/notebook/connectors/hiveserver2.py", line 64, in decorator
    return func(*args, **kwargs)
  File "/home/work/hue-3.10.0/desktop/libs/notebook/src/notebook/connectors/hiveserver2.py", line 199, in execute
    db.use(query.database)
  File "/home/work/hue-3.10.0/apps/beeswax/src/beeswax/server/dbms.py", line 613, in use
    return self.client.use(query)
  File "/home/work/hue-3.10.0/apps/beeswax/src/beeswax/server/hive_server2_lib.py", line 1053, in use
    data = self._client.execute_query(query)
  File "/home/work/hue-3.10.0/apps/beeswax/src/beeswax/server/hive_server2_lib.py", line 748, in execute_query
    return self.execute_query_statement(statement=query.query['query'], max_rows=max_rows, configuration=configuration)
  File "/home/work/hue-3.10.0/apps/beeswax/src/beeswax/server/hive_server2_lib.py", line 752, in execute_query_statement
    (results, schema), operation_handle = self.execute_statement(statement=statement, max_rows=max_rows, configuration=configuration, orientation=orientation)
  File "/home/work/hue-3.10.0/apps/beeswax/src/beeswax/server/hive_server2_lib.py", line 780, in execute_statement
    res = self.call(self._client.ExecuteStatement, req)
  File "/home/work/hue-3.10.0/apps/beeswax/src/beeswax/server/hive_server2_lib.py", line 636, in call
    res = getattr(self._client, fn.attr)(req)
  File "/home/work/hue-3.10.0/desktop/core/src/desktop/lib/thrift_util.py", line 376, in wrapper
    raise StructuredException('THRIFTSOCKET', str(e), data=None, error_code=502)
StructuredException: timed out (code THRIFTSOCKET): None

解决：适当调大超时时间

# Timeout in seconds for thrift calls to Hive service

server_conn_timeout=120