[jira] [Commented] (NUTCH-3041) Address confusing logging in o.a.n.net.URLExemptionFilters

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NUTCH-3041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17839181#comment-17839181 ] 

ASF GitHub Bot commented on NUTCH-3041:
---------------------------------------

lewismc opened a new pull request, #813:
URL: https://github.com/apache/nutch/pull/813

   PR to address https://issues.apache.org/jira/browse/NUTCH-3041




> 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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