Hi Markus , It been recoverd automatically after several attempts ,
once again thanks a lot for your help. Now all the nodes are became live. [zk: Hadoop-Main:7001(CONNECTED) 0] get /clusterstate.json {"collection1":{ "shards":{ "shard1":{ "range":"80000000-ffffffff", "state":"active", "replicas":{ "core_node1":{ "state":"active", "base_url":"http://10.***.***.28:8983/solr", "core":"collection1", "node_name":"10.***.***.28:8983_solr", "leader":"true"}, "core_node3":{ "state":"active", "base_url":"http://10.***.***.30:8983/solr", "core":"collection1", "node_name":"10.***.***.30:8983_solr"}, "10.***.***.28:7070_solr_collection1":{ "state":"active", "base_url":"http://10.***.***.28:7070/solr", "core":"collection1", "node_name":"10.***.***.28:7070_solr"}, "10.***.***.29:7080_solr_collection1":{ "state":"active", "base_url":"http://10.***.***.29:7080/solr", "core":"collection1", "node_name":"10.***.***.29:7080_solr"}}}, "shard2":{ "range":"0-7fffffff", "state":"active", "replicas":{ "core_node2":{ "state":"active", "base_url":"http://10.***.***.29:8983/solr", "core":"collection1", "node_name":"10.***.***.29:8983_solr", "leader":"true"}, "10.***.***.30:7090_solr_collection1":{ "state":"active", "base_url":"http://10.***.***.30:7090/solr", "core":"collection1", "node_name":"10.***.***.30:7090_solr"}}}}, "maxShardsPerNode":"1", "router":{"name":"compositeId"}, "replicationFactor":"1", "autoCreated":"true"}} Regards, ATP. -- View this message in context: http://lucene.472066.n3.nabble.com/Unable-to-start-solr-4-8-tp4142810p4142822.html Sent from the Solr - User mailing list archive at Nabble.com.