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,