[
http://issues.apache.org/jira/browse/NUTCH-100?page=comments#action_12367706 ]
Fuad Efendi commented on NUTCH-100:
-----------------------------------
Please avoid this:
public void finalize() throws Throwable {
cleanup();
}
- In case of an Exception, GC will ignore Throwable, and this object won't be
garbage collected...
> New plugin urlfilter-db
> -----------------------
>
> Key: NUTCH-100
> URL: http://issues.apache.org/jira/browse/NUTCH-100
> Project: Nutch
> Type: Improvement
> Components: fetcher
> Versions: 0.8-dev
> Environment: All Nutch versions
> Reporter: Gal Nitzan
> Priority: Trivial
> Attachments: AddedDbURLFilter.patch, urlfilter-db.tar.gz, urlfilter-db.tar.gz
>
> Hi,
> I have written a new plugin, based on the URLFilter interface: urlfilter-db .
> The purpose of this plugin is to filter domains, i.e. I would like to crawl
> the world but to fetch only certain domains.
> The plugin uses a caching system (SwarmCache, easier to deploy than JCS) and
> on the back-end a database.
> For each url
> filter is called
> end for
> filter
> get the domain name from url
> call cache.get domain
> if not in cache try the database
> if in database cache it and return it
> return null
> end filter
> The plugin reads the cache size, jdbc driver, connection string, table to use
> and domain field from nutch-site.xml
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