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https://issues.apache.org/jira/browse/NUTCH-880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrzej Bialecki updated NUTCH-880:
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Attachment: API-2.patch
An improved version, which actually works :) The configuration and job
management is implemented, there is also a unit test that exercises this API.
If there are no objections I'd like to commit this first version of the API,
and continue improving it in other issues.
> REST API (and webapp) for Nutch
> -------------------------------
>
> Key: NUTCH-880
> URL: https://issues.apache.org/jira/browse/NUTCH-880
> Project: Nutch
> Issue Type: New Feature
> Affects Versions: 2.0
> Reporter: Andrzej Bialecki
> Assignee: Andrzej Bialecki
> Attachments: API-2.patch, API.patch
>
>
> This issue is for discussing a REST-style API for accessing Nutch.
> Here's an initial idea:
> * I propose to use org.restlet for handling requests and returning
> JSON/XML/whatever responses.
> * hook up all regular tools so that they can be driven via this API. This
> would have to be an async API, since all Nutch operations take long time to
> execute. It follows then that we need to be able also to list running
> operations, retrieve their current status, and possibly
> abort/cancel/stop/suspend/resume/...? This also means that we would have to
> potentially create & manage many threads in a servlet - AFAIK this is frowned
> upon by J2EE purists...
> * package this in a webapp (that includes all deps, essentially nutch.job
> content), with the restlet servlet as an entry point.
> Open issues:
> * how to implement the reading of crawl results via this API
> * should we manage only crawls that use a single configuration per webapp, or
> should we have a notion of crawl contexts (sets of crawl configs) with CRUD
> ops on them? this would be nice, because it would allow managing of several
> different crawls, with different configs, in a single webapp - but it
> complicates the implementation a lot.
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