[issue43807] JSONDecodeError: Extra Data Raised on Long Valid JSON

[Terry J. Reedy]

Change by Terry J. Reedy :


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nosy: +ezio.melotti, rhettinger

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[issue43807] JSONDecodeError: Extra Data Raised on Long Valid JSON

[Ronald Oussoren]

Ronald Oussoren  added the comment:

There is a block of NUL bytes at the end of the JSON data structure

The output of "od -c pico-hard.json" ends with:

0046340s   e   c   t   i   o   n   N   o   t   e   s   "   :   [   ]
0046360,   "   t   y   p   e   O   f   S   e   c   t   i   o   n   "
0046400:   0   }   ]   }  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0
0046420   \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0
*
0071600   \0  \0  \0  \0  \0  \0  \0  \0  \0
0071611


Note that there is a block of "\0" entries after the closing "}". 

The file can be parsed correctly after stripping these NUL bytes.

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nosy: +ronaldoussoren

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[issue43807] JSONDecodeError: Extra Data Raised on Long Valid JSON

[Unknown Retired Guy]

New submission from Unknown Retired Guy :

https://i.ibb.co/tYqBsQ8/pico-hard.png

That JSONDecodeError: Extra Data is raised when the Valid JSON is too long or 
over than 25000 bytes, I don't know what caused this, can you fix it?

The code and the traceback is in that picture/link above in this comment and 
the long valid JSON is provided here.

The Below picture/link proof that it's a valid JSON:
https://i.ibb.co/fGytRFC/946.png

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components: Library (Lib)
files: pico-hard.json
messages: 390781
nosy: filipetaleshipolitosoares73
priority: normal
severity: normal
status: open
title: JSONDecodeError: Extra Data Raised on Long Valid JSON
type: behavior
versions: Python 3.7
Added file: https://bugs.python.org/file49953/pico-hard.json

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