@Vaibhav Shukla What is your SOLR version? A very similar NullPointerException is reported here: https://issues.apache.org/jira/browse/SOLR-11381 ... View more

@Vaibhav Shukla You might want to check the following repo: https://github.com/sequenceiq/docker-ambari https://hub.docker.com/r/hortonworks/ambari-server/ For setting up multinode cluster Ambari Blueprint feature always plays a great role. https://cwiki.apache.org/confluence/display/AMBARI/Blueprints ... View more