用stanfordcorenlp生成解析树时报错json.decoder.JSONDecodeError:Expecting value:line 1 column 1 (char 0)

Traceback (most recent call last):
  File "parser_tree.py", line 145, in 
    main()
  File "parser_tree.py", line 141, in main
    convert_file(input_dir,output_dir)
  File "parser_tree.py", line 21, in convert_file
    l1 = nlp.parse(text)
  File "/home/jsj201-5/anaconda3/envs/parser_tree/lib/python3.6/site-packages/stanfordcorenlp/corenlp.py", line 205, in parse
    r_dict = self._request('pos,parse', sentence)
  File "/home/jsj201-5/anaconda3/envs/parser_tree/lib/python3.6/site-packages/stanfordcorenlp/corenlp.py", line 239, in _request
    r_dict = json.loads(r.text)
  File "/home/jsj201-5/anaconda3/envs/parser_tree/lib/python3.6/json/__init__.py", line 354, in loads
    return _default_decoder.decode(s)
  File "/home/jsj201-5/anaconda3/envs/parser_tree/lib/python3.6/json/decoder.py", line 339, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/home/jsj201-5/anaconda3/envs/parser_tree/lib/python3.6/json/decoder.py", line 357, in raw_decode
    raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

使用Stanfordcorenlp生成短语解析树时报错如上，解决方法如下：

进入你的Python中stanfordnlp安装包中corenlp.py文件，将第232行参数properties中超时时长加长即可。

properties = {'timeout': '500000','annotators': annotators, 'outputFormat': 'json'}