json 读取错误 json.decoder.JSONDecodeError: Invalid escape

问题描述

我正在编写代码以使用config.json"在 solr 中上传模型(train_and_upload_demo_model.py)；文件设置.但我收到以下错误:

I am writing a code to upload a model (train_and_upload_demo_model.py) in solr using "config.json" file settings. but I am getting following error:

json.decoder.JSONDecodeError: Invalid escape: line 11 column 34 (char 461)

这是回溯:

D:solr640contribltrexample>python train_and_upload_demo_model.py -c config.json

Traceback (most recent call last):
  File "train_and_upload_demo_model.py", line 182, in <module>
    sys.exit(main())
  File "train_and_upload_demo_model.py", line 158, in main
    config = json.load(configFile)
  File "C:UsersPankajAppDataLocalProgramsPythonPython36-32libjson\__init__.py", line 299, in load
    parse_constant=parse_constant, object_pairs_hook=object_pairs_hook, **kw)
  File "C:UsersPankajAppDataLocalProgramsPythonPython36-32libjson\__init__.py", line 354, in loads
    return _default_decoder.decode(s)
  File "C:UsersPankajAppDataLocalProgramsPythonPython36-32libjsondecoder.py", line 339, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "C:UsersPankajAppDataLocalProgramsPythonPython36-32libjsondecoder.py", line 355, in raw_decode
    obj, end = self.scan_once(s, idx)
json.decoder.JSONDecodeError: Invalid escape: line 11 column 34 (char 461)

config.json 文件内容

content of config.json file

  {
    "host":                     "localhost",
    "port":                     8983,
    "collection":               "techproducts",
    "requestHandler":           "query",
    "q":                        "*:*",
    "efiParams":                "efi.user_query='$USERQUERY'",
    "userQueriesFile":          "user_queries.txt",
    "trainingFile":             "exampleTrainingFile.txt",
    "trainedModelFile":         "exampleTrainedModel.txt",
    "trainingLibraryLocation":  "D:liblinear-2.11",
    "trainingLibraryOptions":   "-q",
    "solrFeaturesFile":         "exampleFeatures.json",
    "solrFeatureStoreName":     "exampleFeatureStore",
    "solrModelFile":            "exampleModel.json",
    "solrModelName":            "exampleModel"
  }

我能知道我在哪里犯了错误吗?

can i get to know where i am making the mistake?

这是因为trainingLibraryLocation"的错误:D:liblinear-2.11"，语法??因为这是行号.11

Is this is the error because of "trainingLibraryLocation": "D:liblinear-2.11", syntax?? because this is the line no. 11

有没有其他方法可以传递目录位置.

Is there any other way to pass directory location.

推荐答案

"trainingLibraryLocation": "D:liblinear-2.11" 中的 l 被视为一个转义序列.尝试转义斜线本身，即."D:\liblinear-2.11".

The l in "trainingLibraryLocation": "D:liblinear-2.11" is treated like an escape sequence. Try escaping the slash itself, ie. "D:\liblinear-2.11".

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