[jira] [Commented] (NUTCH-1026) Strip UTF-8 non-character codepoints

["Markus Jelsma (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NUTCH-1026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13272328#comment-13272328 ] 

Markus Jelsma commented on NUTCH-1026:
--------------------------------------

Great!
                
> Strip UTF-8 non-character codepoints
> ------------------------------------
>
>                 Key: NUTCH-1026
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1026
>             Project: Nutch
>          Issue Type: Bug
>          Components: indexer
>    Affects Versions: nutchgora
>            Reporter: Markus Jelsma
>             Fix For: nutchgora
>
>
> During a very large crawl i found a few documents producing non-character codepoints. When indexing to Solr this will yield the following exception:
> {code}
> SEVERE: java.lang.RuntimeException: [was class java.io.CharConversionException] Invalid UTF-8 character 0xffff at char #1142033, byte #1155068)
>         at com.ctc.wstx.util.ExceptionUtil.throwRuntimeException(ExceptionUtil.java:18)
>         at com.ctc.wstx.sr.StreamScanner.throwLazyError(StreamScanner.java:731)
> {code}
> Quite annoying! Here's quick fix for SolrWriter that'll pass the value of the content field to a method to strip away non-characters. I'm not too sure about this implementation but the tests i've done locally with a huge dataset now passes correctly. Here's a list of codepoints to strip away: http://unicode.org/cldr/utility/list-unicodeset.jsp?a=[:Noncharacter_Code_Point=True:]
> Please comment!

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