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https://issues.apache.org/jira/browse/UIMA-2369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13204659#comment-13204659
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Marshall Schor commented on UIMA-2369:
--------------------------------------
The Range mechanism is described here:
http://www.ietf.org/id/draft-ietf-httpbis-p5-range-18.txt
> Need reliable way to download uima binary artifact from standard Apache spot
> ----------------------------------------------------------------------------
>
> Key: UIMA-2369
> URL: https://issues.apache.org/jira/browse/UIMA-2369
> Project: UIMA
> Issue Type: Bug
> Components: Build, Packaging and Test
> Reporter: Marshall Schor
> Assignee: Marshall Schor
>
> The uima-as build is somewhat broken. A fix was made to download the base
> uimaj sdk binary build (upon which the uima-as build depends) by adding a new
> goal to the uima-build-helper-maven-plugin. That goal has a small bug - it
> doesn't create the intermediate directories needed when creating the output
> file for the download.
> However, it has a bigger problem - the download runs a small loop, reading
> from the URL open stream, and writing to the local file. The loop ends when
> the read method returns -1 for the number of bytes read. Java is supposed to
> only return this when the end-of-file is reached, but (randomly) it is
> getting returned early. This results in a corrupt download, with only the
> first part of the file being downloaded.
> Investigate and fix.
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