Robot
2020.10
false
OUT OF SUPPORT
Robot User Guide
Last updated Jul 1, 2024

Upgrading Orchestrator From 2018.4 to 2020.10

Observed Behavior

After upgrading a LongPolling disabled Orchestrator from 2018.4 to 2020.10, the 2018.4.6 Robot remains connected and consumed ports and fails to execute a job.

The error message displayed is Insufficient memory to continue the execution of the program.

Full error message:

HubConnection start failed, err : StatusCode: 400, ReasonPhrase: 'Bad Request', Version: 1.1, Content: System.Net.Http.StreamContent, Headers:
HubConnection start failed, err : An error occurred while sending the request.
HubConnection start failed, err : An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full
System.OutOfMemoryException: Insufficient memory to continue the execution of the program.HubConnection start failed, err : StatusCode: 400, ReasonPhrase: 'Bad Request', Version: 1.1, Content: System.Net.Http.StreamContent, Headers:
HubConnection start failed, err : An error occurred while sending the request.
HubConnection start failed, err : An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full
System.OutOfMemoryException: Insufficient memory to continue the execution of the program.

Cause

Robot remains connected on the machine and occupied a high number of ports on the machine and consumed a high amount of memory.

Resolution

Restart the Robot Service on the machine to clear port occupation and release memory.

  • Observed Behavior
  • Cause
  • Resolution

Was this page helpful?

Get The Help You Need
Learning RPA - Automation Courses
UiPath Community Forum
Uipath Logo White
Trust and Security
© 2005-2024 UiPath. All rights reserved.