Not sure if this can help. But once I had a similar problem with Solr 3.6.0 where tomcat refused to find one of the classes that existed. I deleted the tomcat's webapp directory and then it worked fine.
On Thu, Aug 23, 2012 at 8:19 AM, Erick Erickson <erickerick...@gmail.com>wrote: > First, I'm no Tomcat expert.... here's the Tomcat Solr > page, but you've probably already seen it: > http://wiki.apache.org/solr/SolrTomcat > > But I'm guessing that you may have old jars around > somewhere and things are getting confused. I'd > blow away the whole thing and start over, whenever > I start copying jars around I always lose track of > what's where. > > Have you successfully had any other Solr operate > under Tomcat? > > Sorry I can't be more help > Erick > > On Wed, Aug 22, 2012 at 9:47 AM, Claudio Ranieri > <claudio.rani...@estadao.com> wrote: > > Hi, > > > > I tried to start the solr-4.0.0-BETA with tomcat-6.0.20 but does not > work. > > I copied the apache-solr-4.0.0-BETA.war to $TOMCAT_HOME/webapps. Then I > copied the directory apache-solr-4.0.0-BETA\example\solr to > C:\home\solr-4.0-beta and adjusted the file > $TOMCAT_HOME\conf\Catalina\localhost\apache-solr-4.0.0-BETA.xml to point > the solr/home to C:/home/solr-4.0-beta. With this configuration, when I > startup tomcat I got: > > > > SEVERE: org.apache.solr.common.SolrException: Invalid luceneMatchVersion > 'LUCENE_40', valid values are: [LUCENE_20, LUCENE_21, LUCENE_22, LUCENE_23, > LUCENE_24, LUCENE_29, LUCENE_30, LUCENE_31, LUCENE_32, LUCENE_33, > LUCENE_34, LUCENE_35, LUCENE_36, LUCENE_CURRENT ] or a string in format 'VV' > > > > So I changed the line in solrconfig.xml: > > > > <luceneMatchVersion>LUCENE_40</luceneMatchVersion> > > > > to > > > > <luceneMatchVersion>LUCENE_CURRENT</luceneMatchVersion> > > > > So I got a new error: > > > > Caused by: java.lang.ClassNotFoundException: > solr.NRTCachingDirectoryFactory > > > > This class is within the file apache-solr-core-4.0.0-BETA.jar but for > some reason classloader of the class is not loaded. I then moved all jars > in $TOMCAT_HOME\webapps\apache-solr-4.0.0-BETA\WEB-INF\lib to > $TOMCAT_HOME\lib. > > After this setup, I got a new error: > > > > SEVERE: java.lang.ClassCastException: > org.apache.solr.core.NRTCachingDirectoryFactory can not be cast to > org.apache.solr.core.DirectoryFactory > > > > So I changed the line in solrconfig.xml: > > > > <directoryFactory name="DirectoryFactory" > > > class="${solr.directoryFactory:solr.NRTCachingDirectoryFactory}"/> > > > > to > > > > <directoryFactory name="DirectoryFactory" > > > class="${solr.directoryFactory:solr.NIOFSDirectoryFactory}"/> > > > > So I got a new error: > > > > Caused by: java.lang.ClassCastException: > org.apache.solr.spelling.DirectSolrSpellChecker can not be cast to > org.apache.solr.spelling.SolrSpellChecker > > > > How can I resolve the problem of classloader? > > How can I resolve the problem of cast of NRTCachingDirectoryFactory and > DirectSolrSpellChecker? > > I can not startup the solr 4.0 beta with tomcat. > > Thanks, > > > > > > > > > -- -- Karthick D S Master's in Computer Engineering ( Software Track ) Syracuse University Syracuse - 13210 New York United States of America
