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Support Article

Errors on restarting server and performing shutdown of nodes

SA-83059

Summary

Errors occur in the logs on restarting server or performing an abrupt shutdown of the server or nodes.


Error Messages

Log errors

Interrupted by service shutdown

Interrupted by unexpected service shutdown


Steps to Reproduce

Scenario 1
Perform a graceful shutdown of the DataFlow node during an on-going campaign program run.   

Scenario 2 
Perform an abrupt shutdown of the DataFlow node during an on-going campaign program run.   


Root Cause



This behavior is as per the Pega product design.

Resolution



Here’s the explanation for the reported behavior: 
While performing a shutdown of a node gracefully, the DNode DataFlow service (Shutdown-function) marks the DataFlow runs with the message, 'Interrupted by service shutdown'. Hence, the 'Interrupted by service shutdown' error message occurs in the logs.

The DNode DataFlow service (Start-up function) at the time of PRPC startup causes the 'Interrupted by unexpected service shutdown' error to occur in the log.This occurs when a stale or running assisgnments (with running status) are present in the data base for the data flow run, which is the result of abrupt or kill -9 type of server shutdown.





 

Suggest Edit

Published July 31, 2020 - Updated December 2, 2021

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