@Ben Kuhn I think th eattached document will sort you out ! Let me know the outcome ... View more

@AAV AAV The Ambari upgrade does check for errors for the 2 upgrade options Rolling or Express. From the screen shot attached you will see that I got different number of errors depending on the upgrade option. You should click on the links next to the Xchecks These errors MUST be resolved or skipped(not recommended) for the successful upgrade. Only after then can you finalize your upgrade. ... View more

@Anas A Please have a look at this document ... View more

@MPH The port 22 is the standard SSH port despite the fact you can change it isn't advisable because instead of customizing your ssh use a firewall! ... View more

@Takashi Nasu Try this ... View more

@David Sheard I think you need to understand the AWS networking. Please check out the Amazon EC2 Instance IP Addressing ... View more

@Christian van den Heever Can you copy the whole error log including the part of the error before "org.apache.ambari.server.view.IllegalClusterException:Failed to get cluster information associated with this view instance" ... View more

@Ritesh jain What is the entry of your hosts file like? Can you share it ! ... View more

@Bhavin Tandel The below link should resolve your problem Root Cause of the Exception: java.security.cert.CertificateException: No name matching host found ... View more