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Posted to dev@nutch.apache.org by "Sebastian Nagel (Jira)" <ji...@apache.org> on 2020/06/09 10:46:00 UTC
[jira] [Resolved] (NUTCH-2720) ROBOTS metatag ignored when
capitalized
[ https://issues.apache.org/jira/browse/NUTCH-2720?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sebastian Nagel resolved NUTCH-2720.
------------------------------------
Resolution: Fixed
Merged/committed, fixed for 1.17 - thanks, [~fezett]!
> ROBOTS metatag ignored when capitalized
> ---------------------------------------
>
> Key: NUTCH-2720
> URL: https://issues.apache.org/jira/browse/NUTCH-2720
> Project: Nutch
> Issue Type: Bug
> Components: indexer, robots
> Affects Versions: 1.15
> Reporter: Felix Zett
> Assignee: Sebastian Nagel
> Priority: Minor
> Fix For: 1.17
>
> Attachments: noindex.html
>
>
> As discussed [on the mailing list|https://www.mail-archive.com/user@nutch.apache.org/msg16516.html], index-metadata fails to ignore a webpage with a capitalized robots metatag such as {{<META NAME="ROBOTS" CONTENT="NOINDEX, FOLLOW">}}. This only applies when parse-tika is used. parse-html will "decapitalize"
> Parsing the attached [^noindex.html] leads to the following results:
> *parse-html:*
> {code:java}
> bin/nutch parsechecker -Dplugin.includes="protocol-httpclient|parse-(html|metatags)|index-metadata" -Dindexer.delete.robots.noindex="true" -Dmetatags.names="robots" -Dindex.parse.md="metatag.robots" http://localhost:8080/noindex.html
> Parse Metadata: [...] metatag.robots=noindex,nofollow robots=noindex,nofollow{code}
> *parse-tika:*
> {code:java}
> bin/nutch parsechecker -Dplugin.includes="protocol-httpclient|parse-(tika|metatags)|index-metadata" -Dindexer.delete.robots.noindex="true" -Dmetatags.names="robots" -Dindex.parse.md="metatag.robots" http://localhost:8080/noindex.html
> Parse Metadata: metatag.robots=NOINDEX,NOFOLLOW [...] ROBOTS=NOINDEX,NOFOLLOW [...]{code}
>
> The field being named "ROBOTS" and not "robots" leads to {{parseData.getMeta("robots")}} being {{null}} in [https://github.com/apache/nutch/blob/master/src/java/org/apache/nutch/indexer/IndexerMapReduce.java#L257].
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