Yes, i have made this addition in src/plugin/build.xml: <ant dir="*recommended*" target="*deploy*" />
Also - and may be this is a very naive question - where is the query log location - or is there a flag that needs to be set for the query filter to start logging? thanks rahul On Wed, Jun 10, 2009 at 10:01 PM, Ankur Garg <[email protected]>wrote: > have you made an entry in src/plugin/build.xml file for your plugin? > > On Thu, Jun 11, 2009 at 6:35 AM, Rahul Thathoo <[email protected] > >wrote: > > > Hi All, > > I am trying to work on the example for building a plugin for nutch here: > > http://wiki.apache.org/nutch/WritingPluginExample-0.9 > > > > Using nutch-0.9 on Windows XP. > > > > Now, i have set up things exactly as it is mentioned, and hence i > actually > > see somethings working - like the HTML Parser Extension is able to grab > the > > contents of the recommended meta tag and add them to the document being > > parsed. The indexing filter extension also works in that it is able to > add > > the field 'recommended' to the lucene text index with the content of the > > meta-tag. I use Luke to make sure the content within the meta tag is in > the > > new recommended field. I also use Luke to query on that content and it > > works. Now the query filter doesnt really do what it is supposed to. My > > Query Filter code looks like : > > > > package org.apache.nutch.parse.recommended; > > > > import org.apache.nutch.searcher.FieldQueryFilter; > > import java.util.logging.Logger; > > > > // Commons imports > > import org.apache.commons.logging.Log; > > import org.apache.commons.logging.LogFactory; > > import org.apache.hadoop.conf.Configuration; > > > > public class RecommendedQueryFilter extends FieldQueryFilter { > > private static final Log LOG = > > LogFactory.getLog(RecommendedParser.class.getName()); > > > > public RecommendedQueryFilter() { > > super("recommended", 5f); > > LOG.info("Added a recommended query"); > > } > > > > public void setConf(Configuration conf) { > > super.setConf(conf); > > } > > } > > > > And my nutch-site.xml looks like: > > <property> > > <name>plugin.includes</name> > > > > > > > > <value>recommended|nutch-extensionpoints|protocol-http|urlfilter-regex|parse-(text|html|js)|index-basic|query-(basic|site|url|recommendedSearcher)|summary-basic|scoring-opic|urlnormalizer-(pass|regex|basic)</value> > > </property> > > > > <property> > > <name>searcher.dir</name> > > <value>C:\nutch-0.9\yatry1\</value> > > </property> > > > > And my plugin.xml file looks like: > > > > <?xml version="1.0" encoding="UTF-8"?> > > <plugin > > id="recommended" > > name="Recommended Parser/Filter" > > version="0.0.1" > > provider-name="nutch.org"> > > > > <runtime> > > <!-- As defined in build.xml this plugin will end up bundled as > > recommended.jar --> > > <library name="recommended.jar"> > > <export name="*"/> > > </library> > > </runtime> > > > > <!-- The RecommendedParser extends the HtmlParseFilter to grab the > > contents of > > any recommended meta tags --> > > <extension id="org.apache.nutch.parse.recommended.recommendedfilter" > > name="Recommended Parser" > > point="org.apache.nutch.parse.HtmlParseFilter"> > > <implementation id="RecommendedParser" > > > > class="org.apache.nutch.parse.recommended.RecommendedParser"/> > > </extension> > > > > <!-- TheRecommendedIndexer extends the IndexingFilter in order to add > the > > contents > > of the recommended meta tags (as found by the RecommendedParser) > to > > the lucene > > index. --> > > <extension id="org.apache.nutch.parse.recommended.recommendedindexer" > > name="Recommended identifier filter" > > point="org.apache.nutch.indexer.IndexingFilter"> > > <implementation id="RecommendedIndexer" > > > > class="org.apache.nutch.parse.recommended.RecommendedIndexer"/> > > </extension> > > > > <!-- The RecommendedQueryFilter gets called when you perform a search. > It > > runs a > > search for the user's query against the recommended fields. In > > order to get > > add this to the list of filters that gets run by default, you have > > to use > > "fields=DEFAULT". --> > > <extension id="org.apache.nutch.parse.recommended.recommendedSearcher" > > name="Recommended Search Query Filter" > > point="org.apache.nutch.searcher.QueryFilter"> > > <implementation id="RecommendedQueryFilter" > > > > class="org.apache.nutch.parse.recommended.RecommendedQueryFilter"> > > <parameter name="fields" value="recommended"/> > > </implementation> > > </extension> > > </plugin> > > > > I build nutch using ant and deploy a new war file - after making my > > changes. > > But i am running out of ideas on what could be possibly wrong. Any ideas > or > > clues worth exploring would be greatly appreciated. > > > > thanks > > rahul > > > > > > -- > Ankur Garg > CDAC Noida > Anusandhan Bhawan > Sec-62, Noida > Mob. 9968274797 > > अँकुर गर्ग > प्रगत संगणन विकास केंद्र > अनुसन्धान भवन > सेक्टर-६२, नॉएडा > मोबाइल नंबर - ९९६८२७४७९७ >
