<p>
Hi,
I am new to solr and successfully did a basic search. Now i am trying to do
classification of the search results using carrrot's support which comes
with solr 4.5.1. Would appreciate if someone tells me what is that i am
missing...may be a trivial issue??!!!
I am getting the below error..*java.lang.NoClassDefFoundError:
org/carrot2/core/ControllerFactory*. I know this error might be because of
carrot2 classes not getting loaded. But if you look below the jars in the
"../contrib/clustering/lib" directory are being loaded. but still i am
getting the error. what might be the reason?
I am working with Solr 4.5.1 on tomcat 7.0.47.
<br></br>
</p>
<br>
INFO - 2014-01-23 16:02:50.865; org.apache.solr.core.CorePropertiesLocator;
Looking for core definitions underneath D:\Work\xxxxx\solr
INFO - 2014-01-23 16:02:51.288; org.apache.solr.core.CorePropertiesLocator;
Found core collection1 in D:\Work\xxxxx\solr\collection1\
INFO - 2014-01-23 16:02:51.911; org.apache.solr.core.CorePropertiesLocator;
Found 1 core definitions
INFO - 2014-01-23 16:02:51.916; org.apache.solr.core.CoreContainer;
Creating SolrCore 'collection1' using instanceDir:
D:\Work\xxxxx\solr\collection1
INFO - 2014-01-23 16:02:51.918; org.apache.solr.core.SolrResourceLoader;
new SolrResourceLoader for directory: 'D:\Work\xxxxx\solr\collection1\'
* Look at the librarries being loaded* <br></br>
INFO - 2014-01-23 16:02:52.408; org.apache.solr.core.SolrConfig; Adding
specified lib dirs to ClassLoader
INFO - 2014-01-23 16:02:52.482; org.apache.solr.core.SolrResourceLoader;
* INFO - 2014-01-23 16:02:52.634; org.apache.solr.core.SolrResourceLoader;
Adding
'file:/D:/Work/xxxxx/solr/contrib/clustering/lib/attributes-binder-1.2.0.jar'
to classloader
INFO - 2014-01-23 16:02:52.637; org.apache.solr.core.SolrResourceLoader;
Adding
'file:/D:/Work/xxxxx/solr/contrib/clustering/lib/carrot2-mini-3.8.0.jar' to
classloader
INFO - 2014-01-23 16:02:52.639; org.apache.solr.core.SolrResourceLoader;
Adding 'file:/D:/Work/xxxxx/solr/contrib/clustering/lib/hppc-0.5.2.jar' to
classloader
INFO - 2014-01-23 16:02:52.642; org.apache.solr.core.SolrResourceLoader;
Adding
'file:/D:/Work/xxxxx/solr/contrib/clustering/lib/jackson-core-asl-1.7.4.jar'
to classloader
INFO - 2014-01-23 16:02:52.644; org.apache.solr.core.SolrResourceLoader;
Adding
'file:/D:/Work/xxxxx/solr/contrib/clustering/lib/jackson-mapper-asl-1.7.4.jar'
to classloader
INFO - 2014-01-23 16:02:52.645; org.apache.solr.core.SolrResourceLoader;
Adding
'file:/D:/Work/xxxxx/solr/contrib/clustering/lib/mahout-collections-1.0.jar'
to classloader
INFO - 2014-01-23 16:02:52.649; org.apache.solr.core.SolrResourceLoader;
Adding 'file:/D:/Work/xxxxx/solr/contrib/clustering/lib/mahout-math-0.6.jar'
to classloader
INFO - 2014-01-23 16:02:52.653; org.apache.solr.core.SolrResourceLoader;
Adding 'file:/D:/Work/xxxxx/solr/contrib/clustering/lib/simple-xml-2.7.jar'
to classloader
INFO - 2014-01-23 16:02:52.660; org.apache.solr.core.SolrResourceLoader;
Adding 'file:/D:/Work/xxxxx/solr/dist/solr-clustering-4.5.1.jar' to
classloader
INFO - 2014-01-23 16:02:52.664; org.apache.solr.core.SolrResourceLoader;*
Adding 'file:/D:/Work/xxxxx/solr/contrib/langid/lib/jsonic-1.2.7.jar' to
classloader
INFO - 2014-01-23 16:02:52.665; org.apache.solr.core.SolrResourceLoader;
INFO - 2014-01-23 16:02:58.237; org.apache.solr.core.SolrConfig; Loaded
SolrConfig: solrconfig.xml
INFO - 2014-01-23 16:02:58.430; org.apache.solr.schema.IndexSchema; Reading
Solr Schema from schema.xml
INFO - 2014-01-23 16:02:58.762; org.apache.solr.schema.IndexSchema;
[collection1] Schema name=nutch
INFO - 2014-01-23 16:03:02.138; org.apache.solr.schema.IndexSchema; default
search field in schema is text
INFO - 2014-01-23 16:03:02.141; org.apache.solr.schema.IndexSchema; query
parser default operator is OR
INFO - 2014-01-23 16:03:02.145; org.apache.solr.schema.IndexSchema; unique
key field: url
INFO - 2014-01-23 16:03:03.765; org.apache.solr.core.SolrCore;
solr.NRTCachingDirectoryFactory
INFO - 2014-01-23 16:03:03.797; org.apache.solr.core.SolrCore;
[collection1] Opening new SolrCore at D:\Work\xxxxx\solr\collection1\,
dataDir=D:/Work/xxxxx/solr/data\
INFO - 2014-01-23 16:03:03.936; org.apache.solr.core.JmxMonitoredMap; JMX
monitoring is enabled. Adding Solr mbeans to JMX Server:
com.sun.jmx.mbeanserver.JmxMBeanServer@2a5ab9
INFO - 2014-01-23 16:03:04.461; org.apache.solr.core.SolrCore;
[collection1] Added SolrEventListener for newSearcher:
org.apache.solr.core.QuerySenderListener{queries=[]}
INFO - 2014-01-23 16:03:04.464; org.apache.solr.core.SolrCore;
[collection1] Added SolrEventListener for firstSearcher:
org.apache.solr.core.QuerySenderListener{queries=[{q=static firstSearcher
warming in solrconfig.xml}]}
INFO - 2014-01-23 16:03:04.699;
org.apache.solr.core.CachingDirectoryFactory; return new directory for
D:\Work\xxxxx\solr\data
INFO - 2014-01-23 16:03:04.700; org.apache.solr.core.SolrCore; New index
directory detected: old=null new=D:/Work/xxxxx/solr/data\index/
INFO - 2014-01-23 16:03:04.704;
org.apache.solr.core.CachingDirectoryFactory; return new directory for
D:\Work\xxxxx\solr\data\index
INFO - 2014-01-23 16:03:05.751; org.apache.solr.core.RequestHandlers;
created /select: solr.SearchHandler
INFO - 2014-01-23 16:03:08.762;
org.apache.solr.handler.component.SpellCheckComponent; Initializing spell
checkers
INFO - 2014-01-23 16:03:08.793;
org.apache.solr.spelling.DirectSolrSpellChecker; init:
{name=default,field=text,classname=solr.DirectSolrSpellChecker,distanceMeasure=internal,accuracy=0.5,maxEdits=2,minPrefix=1,maxInspections=5,minQueryLength=4,maxQueryFrequency=0.01}
INFO - 2014-01-23 16:03:08.824;
org.apache.solr.handler.component.SpellCheckComponent; No queryConverter
defined, using default converter
INFO - 2014-01-23 16:03:08.834;
org.apache.solr.handler.clustering.ClusteringComponent; Initializing
Clustering Engines
INFO - 2014-01-23 16:03:08.872; org.apache.solr.core.SolrCore;
[collection1] CLOSING SolrCore org.apache.solr.core.SolrCore@fbbbb3
INFO - 2014-01-23 16:03:08.872; org.apache.solr.core.QuerySenderListener;
QuerySenderListener sending requests to Searcher@1857368
main{StandardDirectoryReader(segments_c:27:nrt _6(4.5.1):C31)}
INFO - 2014-01-23 16:03:08.897;
org.apache.solr.update.DirectUpdateHandler2; closing
DirectUpdateHandler2{commits=0,autocommit maxTime=15000ms,autocommits=0,soft
autocommits=0,optimizes=0,rollbacks=0,expungeDeletes=0,docsPending=0,adds=0,deletesById=0,deletesByQuery=0,errors=0,cumulative_adds=0,cumulative_deletesById=0,cumulative_deletesByQuery=0,cumulative_errors=0}
INFO - 2014-01-23 16:03:08.923; org.apache.solr.update.SolrCoreState;
Closing SolrCoreState
INFO - 2014-01-23 16:03:08.928;
org.apache.solr.update.DefaultSolrCoreState; SolrCoreState ref count has
reached 0 - closing IndexWriter
INFO - 2014-01-23 16:03:08.938;
org.apache.solr.update.DefaultSolrCoreState; closing IndexWriter with
IndexWriterCloser
ERROR - 2014-01-23 16:03:09.545; org.apache.solr.common.SolrException;
java.lang.NullPointerException
at
org.apache.solr.handler.component.HighlightComponent.prepare(HighlightComponent.java:69)
at
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:187)
at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
at
org.apache.solr.core.RequestHandlers$LazyRequestHandlerWrapper.handleRequest(RequestHandlers.java:241)
at org.apache.solr.core.SolrCore.execute(SolrCore.java:1859)
at
org.apache.solr.core.QuerySenderListener.newSearcher(QuerySenderListener.java:64)
at org.apache.solr.core.SolrCore$5.call(SolrCore.java:1648)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
INFO - 2014-01-23 16:03:09.600; org.apache.solr.core.SolrCore;
[collection1] webapp=null path=null
params={event=firstSearcher&q=static+firstSearcher+warming+in+solrconfig.xml&distrib=false}
status=500 QTime=676
INFO - 2014-01-23 16:03:09.608; org.apache.solr.core.QuerySenderListener;
QuerySenderListener done.
INFO - 2014-01-23 16:03:09.615;
org.apache.solr.handler.component.SpellCheckComponent$SpellCheckerListener;
Loading spell index for spellchecker: default
INFO - 2014-01-23 16:03:09.620;
*ERROR - 2014-01-23 16:03:09.700; org.apache.solr.core.CoreContainer; Unable
to create core: collection1
org.apache.solr.common.SolrException: org/carrot2/core/ControllerFactory*
at
org.apache.solr.core.SolrCore.<init>(SolrCore.java:834)
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:625)
at
org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:522)
at org.apache.solr.core.CoreContainer.create(CoreContainer.java:557)
at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:247)
at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:239)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Caused by: java.lang.NoClassDefFoundError:
org/carrot2/core/ControllerFactory
at
org.apache.solr.handler.clustering.carrot2.CarrotClusteringEngine.<init>(CarrotClusteringEngine.java:107)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at java.lang.Class.newInstance(Class.java:374)
at
org.apache.solr.core.SolrResourceLoader.newInstance(SolrResourceLoader.java:479)
at
org.apache.solr.core.SolrResourceLoader.newInstance(SolrResourceLoader.java:467)
at
org.apache.solr.handler.clustering.ClusteringComponent.inform(ClusteringComponent.java:116)
at
org.apache.solr.core.SolrResourceLoader.inform(SolrResourceLoader.java:601)
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:829)
... 11 more
*Caused by: java.lang.ClassNotFoundException:
org.carrot2.core.ControllerFactory*
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1702)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1547)
... 22 more
ERROR - 2014-01-23 16:03:09.838; org.apache.solr.common.SolrException;
null:org.apache.solr.common.SolrException: Unable to create core:
collection1
at
org.apache.solr.core.CoreContainer.recordAndThrow(CoreContainer.java:934)
at org.apache.solr.core.CoreContainer.create(CoreContainer.java:566)
at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:247)
at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:239)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Caused by: org.apache.solr.common.SolrException:
org/carrot2/core/ControllerFactory
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:834)
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:625)
at
org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:522)
at org.apache.solr.core.CoreContainer.create(CoreContainer.java:557)
... 8 more
Caused by: java.lang.NoClassDefFoundError:
org/carrot2/core/ControllerFactory
at
org.apache.solr.handler.clustering.carrot2.CarrotClusteringEngine.<init>(CarrotClusteringEngine.java:107)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at java.lang.Class.newInstance(Class.java:374)
at
org.apache.solr.core.SolrResourceLoader.newInstance(SolrResourceLoader.java:479)
at
org.apache.solr.core.SolrResourceLoader.newInstance(SolrResourceLoader.java:467)
at
org.apache.solr.handler.clustering.ClusteringComponent.inform(ClusteringComponent.java:116)
at
org.apache.solr.core.SolrResourceLoader.inform(SolrResourceLoader.java:601)
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:829)
... 11 more
*Caused by: java.lang.ClassNotFoundException:
org.carrot2.core.ControllerFactory
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1702)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1547)
... 22 more*
INFO - 2014-01-23 16:03:09.954; org.apache.solr.servlet.SolrDispatchFilter;
SolrDispatchFilter.init() done
<br></br>
The searchcomponent and request processer defined in my solrconfig.xml are
as follows:
* The request processor...
/
<requestHandler name="/select" startup="lazy"
enable="${solr.clustering.enabled:true}" class="solr.SearchHandler">
<lst name="defaults">
<str name="echoParams">explicit</str>
<int name="rows">10</int>
<str name="df">text</str>
<bool name="clustering">true</bool>
<bool name="clustering.results">true</bool>
<str name="carrot.title">name</str>
<str name="carrot.url">id</str>
<str name="carrot.snippet">features</str>
<bool name="carrot.produceSummary">true</bool>
<bool name="carrot.outputSubClusters">false</bool>
<str name="defType">edismax</str>
<str name="qf">body^.2 title^10.0</str>
</lst>
<arr name="last-components">
<str>clustering</str>
</arr>
</requestHandler>/
*... and the searchcomponent is ..*
<br></br>
/
<searchComponent name="clustering"
enable="${solr.clustering.enabled:true}"
class="solr.clustering.ClusteringComponent" >
<lst name="engine">
<str name="name">lingo</str>
<str
name="carrot.algorithm">org.carrot2.clustering.lingo.LingoClusteringAlgorithm</str>
<str name="carrot.resourcesDir">clustering/carrot2</str>
</lst>
<lst name="engine">
<str name="name">stc</str>
<str
name="carrot.algorithm">org.carrot2.clustering.stc.STCClusteringAlgorithm</str>
</lst>
<lst name="engine">
<str name="name">kmeans</str>
<str
name="carrot.algorithm">org.carrot2.clustering.kmeans.BisectingKMeansClusteringAlgorithm</str>
</lst>
</searchComponent>
/
Regards,
--
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