[Fiware-lab-help] [Data][Checking Data] Mozilla Firefox navigator freezes when you try to preview a certain JSON dataset

[Fi-ware ULPGC]

Responsible: fiware at ulpgc.es
Environment, instance and tested GEs: Fiware Lab - Global instance - Data
Web Browser: Mozilla Firefox, v. 33 ; Google Chrome, v.  38.0.2125.104
Operating System: Windows 8
User id: storedata.test.ulpgc at gmail.com

Datasets affected by this issue:
Lisboa - fiware-ost-lisbon-case (JSON format)

Description:

Attempting to preview the fiware-ost-lisbon-case dataset, that is in JSON
format, using the Mozilla Firefox navigator, you can see in the screen the
name of the resource, the URL for downloading the resource and a “Loading”
message.

The navigator apparently freezes forever (at least more than 3 minutes,
time in which the tester decide to close the navigator) and you cannot use
any tab in the navigator.

Using Google Chrome for the same action, the dataset is shown perfectly
fine after a loading time of about 5 seconds.

For other JSON samples, as
https://data.lab.fi-ware.org/dataset/cancellati-dall-anagrafe/resource/98476652-8270-424d-aa89-cfaa83656a4d,
the preview works perfectly fine, so we think this issue is strongly
related with the content of the chosen resource.

A screenshow showing the frozen screen is attached to this message.
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