Support Questions
Find answers, ask questions, and share your expertise
Announcements
Alert: Welcome to the Unified Cloudera Community. Former HCC members be sure to read and learn how to activate your account here.

Has anybody managed to make "clustering" working with Solr in Cloudera Quickstart VM with CHD5?

Solved Go to solution
Highlighted

Has anybody managed to make "clustering" working with Solr in Cloudera Quickstart VM with CHD5?

Explorer

I get the following error in Solr log:

 

org.apache.solr.core.CoreContainer

Unable to create core: pdfcollection_shard1_replica1
org.apache.solr.common.SolrException: Error loading class 'solr.clustering.ClusteringComponent'
	at org.apache.solr.core.SolrCore.<init>(SolrCore.java:841)
	at org.apache.solr.core.SolrCore.<init>(SolrCore.java:631)
	at org.apache.solr.core.ZkContainer.createFromZk(ZkContainer.java:273)
	at org.apache.solr.core.CoreContainer.create(CoreContainer.java:671)
	at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:368)
	at org.apache.solr.core.CoreContainer$1.call(CoreContainer.java:360)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.Executors$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: Error loading class 'solr.clustering.ClusteringComponent'
	at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:449)
	at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:381)
	at org.apache.solr.core.SolrCore.createInstance(SolrCore.java:532)
	at org.apache.solr.core.SolrCore.createInitInstance(SolrCore.java:588)
	at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:2215)
	at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:2209)
	at org.apache.solr.core.SolrCore.initPlugins(SolrCore.java:2242)
	at org.apache.solr.core.SolrCore.loadSearchComponents(SolrCore.java:1261)
	at org.apache.solr.core.SolrCore.<init>(SolrCore.java:768)
	... 11 more
Caused by: java.lang.ClassNotFoundException: solr.clustering.ClusteringComponent
	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:789)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:270)
	at org.apache.solr.core.SolrResourceLoader.findClass(SolrResourceLoader.java:433)
	... 19 more

 

I changed the Solr configuration to use -Dsolr.clustering.enabled=true in Java Configuration Options forSolrServer (this gets applied to $CATALINA_OPT)

 

and copied the clustering jar file plus contribs from the parcels to my local lib

cp/opt/cloudera/parcels/CDH-5.0.0-1.cdh5.0.0.p0.47/lib/solr/solr-clustering-4.4.0-cdh5.0.0.jar lib

cp -R /opt/cloudera/parcels/CDH-5.0.0-1.cdh5.0.0.p0.47/share/doc/solr-doc-4.4.0+cdh5.0.0+178/solr-clustering/org/apache/solr/handler/clustering/* lib

 

then used full path in solrconfig.xml to point to the jar file.

<libpath="/home/cloudera/solr/lib/solr-clustering-4.4.0-cdh5.0.0.jar" />

 

and restarted solr using CM.

 

 

1 ACCEPTED SOLUTION

Accepted Solutions

Re: Has anybody managed to make "clustering" working with Solr in Cloudera Quickstart VM w

Explorer

in the meantime I could solve this myself

 

I copied the carrot2 libs from carrot2-java-api-3.9.3 (both required and optional) into  /var/lib/solr/carrot2/lib/

 

and added followig into solrconfig.xml

<lib dir="/var/lib/solr/carrot2/lib/" regex=".*\.jar" />

<lib path="/opt/cloudera/parcels/CDH-5.0.0-1.cdh5.0.0.p0.47/lib/solr/solr-clustering-4.4.0-cdh5.0.0.jar" />

 

After restarting Solr the clustering did work.

 

1 REPLY 1

Re: Has anybody managed to make "clustering" working with Solr in Cloudera Quickstart VM w

Explorer

in the meantime I could solve this myself

 

I copied the carrot2 libs from carrot2-java-api-3.9.3 (both required and optional) into  /var/lib/solr/carrot2/lib/

 

and added followig into solrconfig.xml

<lib dir="/var/lib/solr/carrot2/lib/" regex=".*\.jar" />

<lib path="/opt/cloudera/parcels/CDH-5.0.0-1.cdh5.0.0.p0.47/lib/solr/solr-clustering-4.4.0-cdh5.0.0.jar" />

 

After restarting Solr the clustering did work.

 

Don't have an account?
Coming from Hortonworks? Activate your account here