Я пытаюсь сканировать с помощью nutch 1.4, но сталкиваюсь с ошибкой при синтаксическом анализе, это файл журнала:
2012-01-09 09:12:02,696 INFO parse.ParseSegment - ParseSegment: starting at 2012-01-09 09:12:02
2012-01-09 09:12:02,697 INFO parse.ParseSegment - ParseSegment: segment: crawl/segments/20120109091153
2012-01-09 09:12:03,416 WARN parse.ParseUtil - Unable to successfully parse content http://sujitpal.blogspot.com/ of type application/xhtml+xml
2012-01-09 09:12:03,417 INFO parse.ParseSegment - Parsing: http:// sujitpal.blogspot.com/
2012-01-09 09:12:03,418 WARN parse.ParseSegment - Error parsing: http://sujitpal.blogspot.com/: failed(2,200): org.apache.nutch.parse.ParseException: Unable to successfully parse content
2012-01-09 09:12:03,419 INFO crawl.SignatureFactory - Using Signature impl: org.apache.nutch.crawl.MD5Signature
проверив config/nutch-site.xml, я обнаружил, что html|text|xhtml|xml включены в preperty plugin.includes
<property>
<name>plugin.includes</name>
<value>myplugins|protocol-httpclient|query-(basic|site|url)|summary-
basic|urlfilter-
regex|parse-(xml|xhtml|html|tika|text|js)|index-(basic|anchor)|scoring-
opic|urlnormalizer-(pass|regex|basic)|query-(basic|site|url)|response-(json|xml)
</value>
<description>Regular expression naming plugin directory names to
include. Any plugin not matching this expression is excluded.
In any case you need at least include the nutch-extensionpoints plugin. By
default Nutch includes crawling just HTML and plain text via HTTP,
and basic indexing and search plugins. In order to use HTTPS please enable
protocol-httpclient, but be aware of possible intermittent problems with the
underlying commons-httpclient library.
</description>
</property>
Почему он не может анализировать xhtml/xml или даже text/xml?