Resolved -
We identified the issue as a user running processes directly on spark-login. We have resolved the issue, and users should be able to access spark-login.
Jun 23, 16:58 CDT
Investigating -
Users of the HPC system may have encounter issues trying to access spark-login, including hanging/no response, or a closed connection message. We are investigating the issue.
Jun 23, 15:28 CDT