I am using solr cloud with 2 nodes in production. Solr stopped accepting writes , this it the error i get in the master node.
SEVERE UpdateLog Error inspecting tlog tlog{file=/var/lib/solr/core_0/data/tlog/tlog.0000000000001264986 refcount=2}
WARNING SolrCore [core_1] PERFORMANCE WARNING: Overlapping onDeckSearchers=2
SEVERE SolrCmdDistributor forwarding update to http://Solr02:8983/solr/core_1/ failed - retrying ...
SEVERE SolrCore java.lang.StringIndexOutOfBoundsException: String index out of range: -1