ASF GitHub Bot commented on NUTCH-2729:

sebastian-nagel commented on pull request #462: NUTCH-2729 protocol-okhttp: fix 
marking of truncated content
URL: https://github.com/apache/nutch/pull/462
   - request one byte more than the configured content limit 
(http.content.limit) to detect truncations reliably
   - add unit tests for marking of truncations, also for gzip Content-Encoding 
and chunked Transfer-Encoding
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> protocol-okhttp: fix marking of truncated content
> -------------------------------------------------
>                 Key: NUTCH-2729
>                 URL: https://issues.apache.org/jira/browse/NUTCH-2729
>             Project: Nutch
>          Issue Type: Bug
>          Components: plugin, protocol
>    Affects Versions: 1.15
>            Reporter: Sebastian Nagel
>            Priority: Minor
>             Fix For: 1.16
> The plugin protocol-okhttp marks content as "truncated" including the reason 
> for the truncation - content limit or time limit exceeded, network disconnect 
> during fetch.
> The detection of truncation by content limit has one bug: if the fetched 
> content is exactly the size of the content limit the loop to request more 
> content is exited. It should be continued by requesting one byte more to 
> reliably detect whether content is truncated or not.
> Note that the Content-Length header cannot be used to determine truncation 
> reliably: it does not indicate the real content length for compressed or 
> chunked content or it might be wrong.

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