Hi @Mondi ,   Thanks for reaching out to Cloudera community.   The "com.mysql.cj.exceptions.InvalidConnectionAttributeException" in the log suggests that MySql JDBC driver version 8.x is being used. However, as pointed out by below doc, we recommend using only version 5.1 of the JDBC driver.  https://docs.cloudera.com/documentation/enterprise/6/latest/topics/cm_ig_mysql.html#cmig_topic_5_5_3   Please download the one from https://dev.mysql.com/downloads/connector/j/5.1.html and then install it in /usr/share/java. After that, retry the command.   Thanks and hope this helps! Li ... View more

Hi @Seeker90 , Thanks for reaching out to Cloudera community. It looks like there is some missing permission and so could you please run the below commands as root user in hue node:   sudo -u solr solrctl sentry --list-roles sudo -u solr solrctl sentry --list-privileges admin_role   and make sure you receive the below privileges when you run the below command:   [root@hue-test ~]# sudo -u solr solrctl sentry --list-privileges admin_role Collection=*->action=* Admin=*->action=* Schema=*->action=* Config=*->action=*   If you don't have the privileges, please use below command to add it:   sudo -u solr solrctl sentry --grant-privilege admin_role 'xxxx'   Hope this helps! Li ... View more