I tried to upgrade from 1.4 to solr 4.0 snapshot , I ran "ant example" I used DataImportHandler to index database tables after adding apache-dataimporthandeler to llib/ dir and created data-config.xml for the request handler in solr
******************************************************************************************************************* org.apache.solr.common.SolrException: Error loading class 'org.apache.solr.handler.dataimport.DataImportHandler' ********************************************************************************************************************** * then I added the file* apache-solr-dataimporthandler-4.0-SNAPSHOT.jar* to the classpath , Then I got the following message * ************************************************************************************************************************* org.apache.solr.common.SolrException log SEVERE: java.lang.NoClassDefFoundError: org/apache/solr/util/plugin/SolrCoreAware* ********************************************************************************************************************** Then I tried to copy the files in dist directory to lib directory , one by one to track the problem untill I got the following message * ***************************************************************************************************** org.apache.solr.common.SolrException log SEVERE: java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory* *********************************************************************************************************8 Please I need help for this problem . note : the same problem occured when upgrading to solr 3.1 , and for this reason i still use 1.4 Best Regards -- *Eng.Muhannad al Hariri * * * *Software Developer* *email : muh.a...@gmail.com* *twitter : @muh_acit <http://twitter.com/muh_acit>* *Skype : muh.hari* *phone : * * Jordan +962 78 677 5125* * * * *
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