[jira] [Resolved] (NUTCH-1969) URL Normalizer properly handling slashes

["Chris A. Mattmann (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NUTCH-1969?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris A. Mattmann resolved NUTCH-1969.
--------------------------------------
    Resolution: Fixed

- thanks [~markus.jelsma@openindex.io] I committed this!

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[chipotle:~/tmp/nutch-1.10-trunk] mattmann% svn commit -m "Fix for NUTCH-1969 URL Normalizer properly handling slashes contributed by Markus Jelsma."
Sending        CHANGES.txt
Sending        build.xml
Sending        src/plugin/build.xml
Adding         src/plugin/urlnormalizer-slash
Adding         src/plugin/urlnormalizer-slash/build.xml
Adding         src/plugin/urlnormalizer-slash/data
Adding         src/plugin/urlnormalizer-slash/data/slashes.txt
Adding         src/plugin/urlnormalizer-slash/ivy.xml
Adding         src/plugin/urlnormalizer-slash/plugin.xml
Adding         src/plugin/urlnormalizer-slash/src
Adding         src/plugin/urlnormalizer-slash/src/java
Adding         src/plugin/urlnormalizer-slash/src/java/org
Adding         src/plugin/urlnormalizer-slash/src/java/org/apache
Adding         src/plugin/urlnormalizer-slash/src/java/org/apache/nutch
Adding         src/plugin/urlnormalizer-slash/src/java/org/apache/nutch/net
Adding         src/plugin/urlnormalizer-slash/src/java/org/apache/nutch/net/urlnormalizer
Adding         src/plugin/urlnormalizer-slash/src/java/org/apache/nutch/net/urlnormalizer/slash
Adding         src/plugin/urlnormalizer-slash/src/java/org/apache/nutch/net/urlnormalizer/slash/SlashURLNormalizer.java
Adding         src/plugin/urlnormalizer-slash/src/test
Adding         src/plugin/urlnormalizer-slash/src/test/org
Adding         src/plugin/urlnormalizer-slash/src/test/org/apache
Adding         src/plugin/urlnormalizer-slash/src/test/org/apache/nutch
Adding         src/plugin/urlnormalizer-slash/src/test/org/apache/nutch/net
Adding         src/plugin/urlnormalizer-slash/src/test/org/apache/nutch/net/urlnormalizer
Adding         src/plugin/urlnormalizer-slash/src/test/org/apache/nutch/net/urlnormalizer/slash
Adding         src/plugin/urlnormalizer-slash/src/test/org/apache/nutch/net/urlnormalizer/slash/TestSlashURLNormalizer.java
Transmitting file data .........
Committed revision 1676186.
[chipotle:~/tmp/nutch-1.10-trunk] mattmann% 
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Note the build is still broke b/c of Tika 1.8. Trying to figure it out.

> URL Normalizer properly handling slashes
> ----------------------------------------
>
>                 Key: NUTCH-1969
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1969
>             Project: Nutch
>          Issue Type: New Feature
>          Components: plugin
>    Affects Versions: 1.9
>            Reporter: Markus Jelsma
>            Assignee: Chris A. Mattmann
>             Fix For: 1.10
>
>         Attachments: NUTCH-1969.patch
>
>
> This is a URL normalizer we use that is simple to use and generate for  dealing with hosts that mix up slash suffixed URL's with non-slash suffixed URL's.
> It is similar to the host nomalizer, reducing the number of duplicates while crawling. It takes the new line delimited rules, separated by either a tabulator or whitespace, followed by a + (PLUS) or - (MINUS) sign denoting whether or not a slash is to be added to the path.
> The normalizer ignores pages that look like files with extensions, see tests.
> Note: the normalizer must be enhanced to not take hosts as first argument of a rule, but host/path prefixes because some hosts need different rules depending on the root path. For example,
> * example.org/cms/news/1/2/3/4 is a CMS that doesn't accept slashes, if they are suffixed, the user is redirected to a non-slash page;
> * example.org/files/a/b/ wants to do it just the other way around.



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