On clicking the alarms tab , I get a message "[Exception n:/webclient/common/jsp/ TabComponent.jsp] null" .What should I do?

On clicking the alarms tab , I get a message "[Exception n:/webclient/common/jsp/ TabComponent.jsp] null" .What should I do?

Reason: The issue is because the name of the machine where Applications Manager is running is not resolved in the DNS.

Solution: This is resolved after adding the host and IP mapping in </etc/hosts> file in the machine where Applications Manager is running.