KB-1735 Reports fail to render with "com.appiancorp.kougar.driver.exceptions.Signal: index" error observed in the application server log after upgrading to 18.2 or 18.3

Symptoms

Reports fail to render after upgrading to 18.2 or 18.3 with the following error observed in the application server log:

INFO [stdout] (ajp-/0.0.0.0:8009-1670) [ajp-/0.0.0.0:8009-1670] ERROR com.atlassian.plugin.servlet.ServletModuleContainerServlet - com.appiancorp.kougar.driver.exceptions.Signal: index
INFO [stdout] (ajp-/0.0.0.0:8009-1670) javax.servlet.ServletException: com.appiancorp.kougar.driver.exceptions.Signal: index

Cause

This issue has been addressed via AN-113321 in the following Appian hotfixes/versions:

Action

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

Affected Versions

This article applies to Appian 18.2 and 18.3.

Last Reviewed: October 2018

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