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Excessive logging of type "ERROR" observed in the application server log


Application-server log is getting flooded with logging of the following type:

ERROR - logging data in ThreadLocal was set to null. It should have been properly initialized

No error is observed on the user interface.


This issue has been reported to the Appian Product Team. The reference number for this issue is AN-123928.


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

Affected Versions

This article applies to Appian 17.3 and above.

Last Reviewed: March 2019