ASF GitHub Bot commented on CB-13245:

infil00p commented on issue #217: CB-13245: (android) Fix bug caused by 
negative length reported for an asset
   This should be fixed in Cordova, not in File.

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> Filereader.readAsText fails on Android with long text files when
> ----------------------------------------------------------------
>                 Key: CB-13245
>                 URL: https://issues.apache.org/jira/browse/CB-13245
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: cordova-plugin-file
>    Affects Versions: Master
>         Environment: Android 7.1.1
>            Reporter: Daniel Behnen
>            Priority: Major
> When reader.readAsText is called with an URI pointing to a local asset with a 
> size greater than READ_CHUNK_SIZE = 256 * 1024, loading produces corrupt 
> data. 
> The behaviour is caused by a negative length returned by 
> CordovaResourceApi.openForRead() when the URI is a URI_TYPE_ASSET. Given the 
> negative length, Filesystem.readFileAtURL() returns the whole file instead of 
> the desired part and FileReader.readSuccessCallback() does not check the 
> returned buffer size. Hence, the following chunks are attated to the buffer 
> regardless of whether the file was already completely read.

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