Felix Zett created NUTCH-2720:
---------------------------------

             Summary: 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
         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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