@Kureikana  Can you try this Suppose you start your infra solr process as "infra-solr" user then try the following command. Non Kerberos Env:   # su - infra-solr # source /etc/ambari-infra-solr/conf/infra-solr-env.sh # /usr/lib/ambari-infra-solr/bin/solr start -cloud -noprompt -s /var/lib/ambari-infra-solr/data 2>&1   Kerberos Env:   # su - infra-solr # kinit -kt /etc/security/keytabs/ambari-infra-solr.service.keytab <AMBARI_INFRA_PRINCIPAL> # source /etc/ambari-infra-solr/conf/infra-solr-env.sh # /usr/lib/ambari-infra-solr/bin/solr start -cloud -noprompt -s /var/lib/ambari-infra-solr/data -Dsolr.kerberos.name.rules='DEFAULT' 2>&1   . ... View more