Paul Bustios created TIKA-2308:
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Summary: RESTful service for image recognition fails in Python 3.x
Key: TIKA-2308
URL: https://issues.apache.org/jira/browse/TIKA-2308
Project: Tika
Issue Type: Bug
Components: parser
Reporter: Paul Bustios
Priority: Minor
The /inception/v3/classify resource fails to classify an image in Python 3.x
because json fails to serialize class ids, which are numbers of type
numpy.int64. More information about the issue can be found in
https://bugs.python.org/issue24313.
[2017-03-23 00:05:04,793] ERROR in app: Exception on /inception/v3/classify
[GET]
Traceback (most recent call last):
File "/home/paul/miniconda3/lib/python3.5/site-packages/flask/app.py", line
1982, in wsgi_app
response = self.full_dispatch_request()
File "/home/paul/miniconda3/lib/python3.5/site-packages/flask/app.py", line
1614, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/home/paul/miniconda3/lib/python3.5/site-packages/flask/app.py", line
1517, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/home/paul/miniconda3/lib/python3.5/site-packages/flask/_compat.py",
line 33, in reraise
raise value
File "/home/paul/miniconda3/lib/python3.5/site-packages/flask/app.py", line
1612, in full_dispatch_request
rv = self.dispatch_request()
File "/home/paul/miniconda3/lib/python3.5/site-packages/flask/app.py", line
1598, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File
"tika-parsers/src/main/resources/org/apache/tika/parser/recognition/tf/inceptionapi.py",
line 317, in classify_image
return Response(response=json.dumps(res),
File "/home/paul/miniconda3/lib/python3.5/json/__init__.py", line 230, in
dumps
return _default_encoder.encode(obj)
File "/home/paul/miniconda3/lib/python3.5/json/encoder.py", line 198, in
encode
chunks = self.iterencode(o, _one_shot=True)
File "/home/paul/miniconda3/lib/python3.5/json/encoder.py", line 256, in
iterencode
return _iterencode(o, 0)
File "/home/paul/miniconda3/lib/python3.5/json/encoder.py", line 179, in
default
raise TypeError(repr(o) + " is not JSON serializable")
TypeError: 211 is not JSON serializable
127.0.0.1 - - [23/Mar/2017 00:05:04] "GET
/inception/v3/classify?topk=2&url=https://upload.wikimedia.org/wikipedia/commons/f/f6/Working_Dogs%2C_Handlers_Share_Special_Bond_DVIDS124942.jpg
HTTP/1.1" 500 -
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