Spark plugin uses random ports for Spark job. Netstat output from Spark master node with one running job: http://paste.openstack.org/show/134392/ With two running jobs: http://paste.openstack.org/show/134393/ -- You received this bug notification because you are a member of OpenStack Security Group, which is subscribed to OpenStack. https://bugs.launchpad.net/bugs/1393397 Title: Create Spark cluster with auto security group failed Status in OpenStack Data Processing (Sahara, ex. Savanna): Confirmed Bug description: Steps to reproduce: Create cluster with auto security groups. Result: Cluster in 'Error' state To manage notifications about this bug go to: https://bugs.launchpad.net/sahara/+bug/1393397/+subscriptions