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https://issues.apache.org/jira/browse/NUTCH-3041?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on NUTCH-3041 stopped by Lewis John McGibbney.
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> Address confusing logging in o.a.n.net.URLExemptionFilters
> -----------------------------------------------------------
>
> Key: NUTCH-3041
> URL: https://issues.apache.org/jira/browse/NUTCH-3041
> Project: Nutch
> Issue Type: Task
> Components: net
> Affects Versions: 1.19, 1.20
> Reporter: Lewis John McGibbney
> Assignee: Lewis John McGibbney
> Priority: Minor
> Fix For: 1.21
>
>
> URLExemptionFilter impementations are used to allow exemptions to external
> domain resources by overriding the {{db.ignore.external.links}} configuration
> setting. This is useful when the crawl is focused to a domain but resources
> like images are hosted on CDN.
> Currently [URLExemptionFilters|#L47-L48]] provides the following logging
> {quote}INFO o.a.n.n.URLExemptionFilters [LocalJobRunner Map Task Executor
> #0|#0] Found 0 extensions at point:'org.apache.nutch.net.URLExemptionFilter'
> {quote}
> I find this confusing. It would be better to log *only* if an
> URLExemptionFilter implementation is actually configured to be used at
> runtime.
> I will provide a patch for this.
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