Hi all, I just reported this issue: http://issues.apache.org/jira/browse/SOLR-4800
java.lang.IllegalArgumentException: No enum const class org.apache.lucene.util.Version.LUCENE_43 solr-4.3.0/example/solr/collection1/conf/solrconfig.xml has <luceneMatchVersion>LUCENE_43</luceneMatchVersion> Which causes: SolrCore Initialization Failures collection1: org.apache.solr.common.SolrException:org.apache.solr.common.SolrException: Could not load config for solrconfig.xml >From catalina.out : SEVERE: Unable to create core: collection1 org.apache.solr.common.SolrException: Could not load config for solrconfig.xml at org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:991) at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1051) at org.apache.solr.core.CoreContainer$3.call(CoreContainer.java:634) at org.apache.solr.core.CoreContainer$3.call(CoreContainer.java:629) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:679) Caused by: org.apache.solr.common.SolrException: Invalid luceneMatchVersion 'LUCENE_43', valid values are: [LUCENE_30, LUCENE_31, LUCENE_32, LUCENE_33, LUCENE_34, LUCENE_35, LUCENE_36, LUCENE_40, LUCENE_41, LUCENE_42, LUCENE_CURRENT] or a string in format 'V.V' at org.apache.solr.core.Config.parseLuceneVersionString(Config.java:313) at org.apache.solr.core.Config.getLuceneVersion(Config.java:298) at org.apache.solr.core.SolrConfig.<init>(SolrConfig.java:119) at org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:989) ... 11 more Caused by: java.lang.IllegalArgumentException: No enum const class org.apache.lucene.util.Version.LUCENE_43 at java.lang.Enum.valueOf(Enum.java:214) at org.apache.lucene.util.Version.valueOf(Version.java:34) at org.apache.lucene.util.Version.parseLeniently(Version.java:133) at org.apache.solr.core.Config.parseLuceneVersionString(Config.java:311) ... 14 more May 7, 2013 9:10:00 PM org.apache.solr.common.SolrException log SEVERE: null:org.apache.solr.common.SolrException: Unable to create core: collection1 at org.apache.solr.core.CoreContainer.recordAndThrow(CoreContainer.java:1672) at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1057) at org.apache.solr.core.CoreContainer$3.call(CoreContainer.java:634) at org.apache.solr.core.CoreContainer$3.call(CoreContainer.java:629) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:679) Caused by: org.apache.solr.common.SolrException: Could not load config for solrconfig.xml at org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:991) at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1051) ... 10 more Caused by: org.apache.solr.common.SolrException: Invalid luceneMatchVersion 'LUCENE_43', valid values are: [LUCENE_30, LUCENE_31, LUCENE_32, LUCENE_33, LUCENE_34, LUCENE_35, LUCENE_36, LUCENE_40, LUCENE_41, LUCENE_42, LUCENE_CURRENT] or a string in format 'V.V' at org.apache.solr.core.Config.parseLuceneVersionString(Config.java:313) at org.apache.solr.core.Config.getLuceneVersion(Config.java:298) at org.apache.solr.core.SolrConfig.<init>(SolrConfig.java:119) at org.apache.solr.core.CoreContainer.createFromLocal(CoreContainer.java:989) ... 11 more Caused by: java.lang.IllegalArgumentException: No enum const class org.apache.lucene.util.Version.LUCENE_43 at java.lang.Enum.valueOf(Enum.java:214) at org.apache.lucene.util.Version.valueOf(Version.java:34) at org.apache.lucene.util.Version.parseLeniently(Version.java:133) at org.apache.solr.core.Config.parseLuceneVersionString(Config.java:311) ... 14 more If I change LUCENE_43 to LUCENE_42 it works. The admin webpage reports the following versions: solr-spec : 4.2.1.2013.03.26.08.26.55 solr-impl : 4.2.1 1461071 - mark - 2013-03-26 08:26:55 lucene-spec : 4.2.1 lucene-impl : 4.2.1 1461071 - mark - 2013-03-26 08:23:34 Thank you very much in advance! Regards, Roald