Error in UMP when trying to create and save maintenance schedule

Document ID : KB000102067
Last Modified Date : 15/06/2018
Show Technical Document Details
Issue:
Error generated when trying to put devices in maintenance. The robots/devices still appear in maintenance but it seems something within the maintenance mode save process is failing after the maintenance mode is created and assigned to the device. Nothing in the wasp.log seems to releate to the issue.

An error was generated when trying to create and then save a maintenance schedule in UMP:

maintenance schedule error in UMP

Unknown error.

An unknown error has occurred.
Refreshing your browser may resolve the issue.

Details:
com.firehunter.ump.exceptions.DataFactoryException : I/O error on nim session (C)
com.nimsoft.nimbus.NimNamedClientSession(Socket[addr=/10.xx.xx.xx,port48041,localport=57630]
)
Please check the log for more information.
Stack Trace:
(2) communication error, I/O error on nim session (C)
Environment:
- UIM 8.51 SP1
- maintenance_mode v8.40
Cause:
- maintenance_mode probe issue
Resolution:
Download and deploy maintenance_mode v8.43.

Take the same steps again to create and save a few maintenance schedules.

Issue is resolved.