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Posted to solr-user@lucene.apache.org by ka...@rediffmail.com on 2011/10/20 12:40:43 UTC

Error Instantiating QParserPlugin

hi,
while to create customized query parser plugin for solr 3.2. I got the Instantiating error.As mentioned at various places I created two classes 1) MyQParserPlugin extends QParserPlugin2) MyQParser extends QParser
org.apache.solr.common.SolrException: Error Instantiating QParserPlugin, MyQParserPlugin is not a org.apache.solr.search.QParserPlugin
	at org.apache.solr.core.SolrCore.createInstance(SolrCore.java:428)
	at org.apache.solr.core.SolrCore.createInitInstance(SolrCore.java:448)
	at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:1548)
	at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:1542)
	at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:1575)
	at org.apache.solr.core.SolrCore.initQParsers(SolrCore.java:1492)
	at org.apache.solr.core.SolrCore.<init>(SolrCore.java:558)
	at org.apache.solr.core.CoreContainer.create(CoreContainer.java:463)
	at org.apache.solr.core.CoreContainer.load(CoreContainer.java:316)
	at org.apache.solr.core.CoreContainer.load(CoreContainer.java:207)
	at org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:130)
	at org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:94)
	at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:97)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
	at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:713)
	at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
	at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1282)
	at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:518)
	at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:499)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
	at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
	at org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:156)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
	at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
	at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
	at org.mortbay.jetty.Server.doStart(Server.java:224)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
	at org.mortbay.xml.XmlConfiguration.main(XmlConfiguration.java:985)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.mortbay.start.Main.invokeMain(Main.java:194)
	at org.mortbay.start.Main.start(Main.java:534)
	at org.mortbay.start.Main.start(Main.java:441)
	at org.mortbay.start.Main.main(Main.java:119)
Any idea about whats going on??
Thanks Karan

Re: Error Instantiating QParserPlugin

Posted by Marco Martinez <mm...@paradigmatecnologico.com>.
its seem that the problem is QParserPlugin2 class

Marco Martínez Bautista
http://www.paradigmatecnologico.com
Avenida de Europa, 26. Ática 5. 3ª Planta
28224 Pozuelo de Alarcón
Tel.: 91 352 59 42


2011/10/20 <ka...@rediffmail.com>

> hi,
> while to create customized query parser plugin for solr 3.2. I got the
> Instantiating error.As mentioned at various places I created two
> classes&nbsp;1) MyQParserPlugin extends QParserPlugin2) MyQParser extends
> QParser
> org.apache.solr.common.SolrException: Error Instantiating QParserPlugin,
> MyQParserPlugin is not a org.apache.solr.search.QParserPlugin
>        at org.apache.solr.core.SolrCore.createInstance(SolrCore.java:428)
>        at
> org.apache.solr.core.SolrCore.createInitInstance(SolrCore.java:448)
>        at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:1548)
>        at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:1542)
>        at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:1575)
>        at org.apache.solr.core.SolrCore.initQParsers(SolrCore.java:1492)
>        at org.apache.solr.core.SolrCore.&lt;init&gt;(SolrCore.java:558)
>        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:463)
>        at org.apache.solr.core.CoreContainer.load(CoreContainer.java:316)
>        at org.apache.solr.core.CoreContainer.load(CoreContainer.java:207)
>        at
> org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:130)
>        at
> org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:94)
>        at
> org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:97)
>        at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
>        at
> org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:713)
>        at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
>        at
> org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1282)
>        at
> org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:518)
>        at
> org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:499)
>        at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
>        at
> org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
>        at
> org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:156)
>        at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
>        at
> org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
>        at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
>        at
> org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
>        at org.mortbay.jetty.Server.doStart(Server.java:224)
>        at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
>        at org.mortbay.xml.XmlConfiguration.main(XmlConfiguration.java:985)
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
>        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>        at java.lang.reflect.Method.invoke(Unknown Source)
>        at org.mortbay.start.Main.invokeMain(Main.java:194)
>        at org.mortbay.start.Main.start(Main.java:534)
>        at org.mortbay.start.Main.start(Main.java:441)
>        at org.mortbay.start.Main.main(Main.java:119)
> Any idea about whats going on??
> Thanks Karan