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Unable to login to the vCenter Operations Manager 5.x Custom UI (2036516)
Symptoms
When attempting to login to the Custom UI https://<IP address of UI virtual machine>/custom, an error message similar to the following is displayed:
Could not determine licensed VC
Error messages similar to the following may be present in the /var/log/vmware-vcops/user/log/web.log file on the UI virtual machine:
2012-09-24 03:42:18,082 ERROR [RMI TCP Connection(7476)-172.20.20.2] org.hibernate.util.JDBCExceptionReporter.logExceptions - Cannot get a connection, pool error Timeout waiting for idle object
There are numerous users connection to the Custom UI at any point in time.
There are a large number of widgets configured and accessed in the Custom UI.
Cause
By default, only 45 connections are allowed between the tomcat process responsible for the Custom UI and the postgres database on the Analytics virtual machine. If this number is exceeded, the Custom UI will be inaccessible.
Resolution
The maximum number of connections between the tomcat process responsible for the Custom UI and the postgres database on the Analytics virtual machine can be increased via the following process:
Log in to the UI virtual machine as root.
Issue the following command to stop the Custom UI:
service vcopswebenterprise stop
Run this command to delete the backup of the relevant configuration file:
