I have made some little changes at example folder of Solr 4.2.1 When I start up it just with:
java -jar start.jar I get that status: INFO: [collection1] webapp=/solr path=/admin/ping params={action=status&_=1368715926563&wt=json} status=503 QTime=0 When I click ping at (just once time )admin page I get that: May 16, 2013 5:52:06 PM org.apache.solr.core.SolrCore execute INFO: [collection1] webapp=/solr path=/admin/ping params={action=status&_=1368715926563&wt=json} status=503 QTime=0 May 16, 2013 5:52:06 PM org.apache.solr.core.SolrCore execute INFO: [collection1] webapp=/solr path=/admin/file/ params={file=admin-extra.html&_=1368715926560} status=0 QTime=0 May 16, 2013 5:52:08 PM org.apache.solr.core.SolrCore execute INFO: [collection1] webapp=/solr path=/admin/ping params={ts=1368715928213&_=1368715928214&wt=json} hits=0 status=0 QTime=1 May 16, 2013 5:52:08 PM org.apache.solr.core.SolrCore execute INFO: [collection1] webapp=/solr path=/admin/ping params={ts=1368715928213&_=1368715928214&wt=json} status=0 QTime=3 What is that status 503 (If it is HTTP 503 why it is listed as INFO)?