Starcluster on EC2 ubuntu stopped working. I am not aware of any intentional configuration change or anything else and am unable to find much help. Can you please tell me if anyone has any suggestions? starting, terminating, or even listing clusters is erroring out. Below is the error I am getting when I try to listclusters:
ubuntu@ip-10-29-249-203:~$ starcluster listclusters
StarCluster - (http://star.mit.edu/cluster) (v. 0.94)
Software Tools for Academics and Researchers (STAR)
Please submit bug reports to starcluster@mit.edu
---------------------------------
revcls (security group: @sc-revcls)
---------------------------------
!!! ERROR - Unhandled exception occured
Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/StarCluster-0.94-py2.7.egg/starcluster/cli.py", line 274, in main
sc.execute(args)
File "/usr/local/lib/python2.7/dist-packages/StarCluster-0.94-py2.7.egg/starcluster/commands/listclusters.py", line 36, in execute
show_ssh_status=self.opts.show_ssh_status)
File "/usr/local/lib/python2.7/dist-packages/StarCluster-0.94-py2.7.egg/starcluster/cluster.py", line 290, in list_clusters
nodes = cl.nodes
File "/usr/local/lib/python2.7/dist-packages/StarCluster-0.94-py2.7.egg/starcluster/cluster.py", line 720, in nodes
if n.is_master():
File "/usr/local/lib/python2.7/dist-packages/StarCluster-0.94-py2.7.egg/starcluster/node.py", line 883, in is_master
return self.alias == "master"
File "/usr/local/lib/python2.7/dist-packages/StarCluster-0.94-py2.7.egg/starcluster/node.py", line 139, in alias
aliases = aliasestxt.splitlines()[2:]
AttributeError: 'NoneType' object has no attribute 'splitlines'
!!! ERROR - Oops! Looks like you've found a bug in StarCluster
!!! ERROR - Crash report written to: /home/ubuntu/.starcluster/logs/crash-report-1183.txt
!!! ERROR - Please remove any sensitive data from the crash report
!!! ERROR - and submit it to starcluster@mit.edu
