[DATALAB-2579] [Azure] [Remote R kernel] Sometimes Flights data preparation/visualization runs with error

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: DataLab Main
• Security Level: Public (Regular Issues)
• Labels: AZURE Debian DevOps Known_issues(release2.5.1) Known_issues(release2.6) RedHat
• Epic Link: Jupyter
• Assignee: Leonid Frolov
• Reporter: Vira Vitanska
• Created: 03/Nov/21 13:38
• Updated: 16/Sep/22 08:01

Description

 Preconditions:

1. Data Engine is in running status on Jupyter

Steps to reproduce:

1. Got to Jupyter UI
2. Run Flights data Preparation/Visualization for R remote kernel

Actual result:

1. Playbook running fails

An error was encountered:
Spark package found in SPARK_HOME: /opt/spark
[1] "Error in writeJobj(con, object): invalid jobj 1" 

Expected result:

1. Playbook running is successful

  Sometimes restart kernel/shutdown playbook helps.

 The error was not found on local R kernel

Approximately 60-70% the bug is reproduced.