DRAFT KB-XXXX Wrong process started by subprocess

Symptoms

Some subprocess nodes start different processes than what they are supposed to launch.

Error of the following type is observed in the db_PX*.log located in <APPIAN_HOME>/logs/:

ERROR .a.p.PROCESS.i.tuning "EXITING .a.p.PROCESS.i.cleanup_process_model_timer (0 seconds): exception 'FLI: Invalid Handle', so will use safe mode next time. Suspicious ids: *ids*

Cause

This issue has been addressed via AN-107056, AN-107053 in the following Appian hotfixes/versions:

• Appian 17.2 Hotfix Package L
• Appian 17.3 Hotfix Package I
• Appian 17.4 Hotfix Package H
• Appian 18.1 Hotfix Package D 
• Appian 18.2 Hotfix Package A

Action

Apply the latest hotfix to your Appian installation or upgrade to the latest version of Appian. 

Affected Versions

This article applies to Appian 17.2,17.3,17.4,18.1 and 18.2.