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https://issues.apache.org/jira/browse/NUTCH-3041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17839186#comment-17839186
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ASF GitHub Bot commented on NUTCH-3041:
---------------------------------------
lewismc commented on PR #813:
URL: https://github.com/apache/nutch/pull/813#issuecomment-2067543713
The logging now looks as follows
```INFO o.a.n.n.URLExemptionFilters [LocalJobRunner Map Task Executor #0]
Found 1 URLExemptionFilter implementations:
'[org.apache.nutch.urlfilter.ignoreexempt.ExemptionUrlFilter@3090c372]’```.
If no URLExemptionFilter implementations are found then no log statement is
produced.
> 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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