Re: how to create NGRAM INDEX

[karthik085 <ka...@gmail.com>]

I get the same errors - any help in resolving this issue is appreciated.


srampl wrote:
> 
> 
> hi,
> 
>   Plz give the idea about NGRAM INDEX.
> 
> While i am search net, i want to the below step,
> 
> 1. compile nutch (in top level dir do "ant")
> 
> 2. crawl your data (see tutorial)
> 
> 3. edit your conf/nutch-site.xml so it contains plugin
> "web-query-propose-spellcheck" and "webui-extensionpoints"
> 
> 4. edit conf/nutch-site.xml so it contains proper dir for plugins as the
> plugins are not packaged inside .war (something like
> <property>
> <name>plugin.folders</name>
> <value> <path to plugins dir> </value>
> </property>
> )
> 
> 5. compile web2 plugins (in contrib/web2 do ant compile-plugins)
> 
> 6. edit search.jsp contains line "<tiles:insert definition="propose"
> ignore="true"/>" just before the second c:choose.
> 
> 7. create web2 app (in contrib/web2 do ant war)
> 
> 8. build your spell check index ( bin/nutch plugin
> web-query-propose-spellcheck org.apache.nutch.spell.NGramSpeller -i
> <indexdir> -f content -o spelling
> 
> 9. deploy webapp to tomcat
> 
> 
> i did the first 4 step. but i got some error, when i doing 5 step.
> 
> error as follows:-
> contrib/web2# ant compile-plugins
> 
> Buildfile: build.xml
> 
> init:
> 
> compile-plugins:
> 
> deploy:
> 
> init:
> 
> init-plugin:
> 
> compile:
> 
> jar:
>       [jar] Warning: skipping jar archive
> /opt/RootCrawl/nutch-0.9/trunk/build/webui-extensionpoints/webui-extensionpoints.jar
> because no files were included.
> 
> deps-test:
> 
> deploy:
> 
> init:
> 
> init-plugin:
>      [echo] Copying UI configuration
>      [echo] Copying UI templates
> 
> deps-jar:
> 
> prepare-web:
>    [delete] Deleting directory
> /opt/RootCrawl/nutch-0.9/trunk/build/web-caching-oscache/tmp/_web
>      [copy] Copying 5 files to
> /opt/RootCrawl/nutch-0.9/trunk/build/web-caching-oscache/tmp/_web
> 
> compile-jsp:
> 
> compile:
>      [echo] Compiling plugin: web-caching-oscache
>     [javac] Compiling 4 source files to
> /opt/RootCrawl/nutch-0.9/trunk/build/web-caching-oscache/classes
>     [javac]
> /opt/RootCrawl/nutch-0.9/trunk/contrib/web2/plugins/web-caching-oscache/src/java/org/apache/nutch/webapp/CacheManager.java:32:
> package org.apache.nutch.webapp.common does not exist
>     [javac] import org.apache.nutch.webapp.common.Search;
>     [javac]                                      ^
>     [javac]
> /opt/RootCrawl/nutch-0.9/trunk/contrib/web2/plugins/web-caching-oscache/src/java/org/apache/nutch/webapp/CacheManager.java:33:
> package org.apache.nutch.webapp.common does not exist
>     [javac] import org.apache.nutch.webapp.common.ServiceLocator;
>     [javac]                                      ^
>     [javac]
> /opt/RootCrawl/nutch-0.9/trunk/contrib/web2/plugins/web-caching-oscache/src/java/org/apache/nutch/webapp/CacheManager.java:127:
> cannot find symbol
>     [javac] symbol  : class ServiceLocator
>     [javac] location: class org.apache.nutch.webapp.CacheManager
>     [javac]   public Search getSearch(String id, ServiceLocator locator)
> throws NeedsRefreshException  {
> 
> 
> so, i skip 5 step, again 7 step stop i got some error.
> 
> error as follows:-
> 
> contrib/web2# ant war
> 
> Buildfile: build.xml
> 
> generate-context:
> 
> init:
> 
> generate-pages:
> 
> generate-locale:
>      [echo] Generating docs for locale=ca
> Warning: Reference docDTDs has not been set at runtime, but was found
> during
> build file parsing, attempting to resolve. Future versions of Ant may
> support
>  referencing ids defined in non-executed targets.
>      [xslt] Transforming into
> /opt/RootCrawl/nutch-0.9/trunk/contrib/web2/target/nutch-web2/ca
> 
> generate-locale:
>      [echo] Generating docs for locale=de
> Warning: Reference docDTDs has not been set at runtime, but was found
> during
> build file parsing, attempting to resolve. Future versions of Ant may
> support
>  referencing ids defined in non-executed targets.
>      [xslt] Processing
> /opt/RootCrawl/nutch-0.9/trunk/src/web/include/de/header.xml to
> /opt/RootCrawl/nutch-0.9/trunk/contrib/web2/target/docs/de/include/header.html
>      [xslt] Loading stylesheet
> /opt/RootCrawl/nutch-0.9/trunk/contrib/web2/res/nutch-header.xsl
>      [xslt] : Error! null
>      [xslt] : Error! java.lang.IllegalArgumentException
>      [xslt] Failed to process
> /opt/RootCrawl/nutch-0.9/trunk/src/web/include/de/header.xml
> 
> 
> So, Plz let me know any body having idea about this,
> 
> i am waiting for ur reply,
> 
> Thanks in advance,,
> 
> 
> 

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