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DRAFT KB-XXXX Importing an application/patch fails with "The uploaded file is invalid (APNX-1-4268-003) (APNX-1-4268-003)" error

This issue has been resolved in an Appian hotfix/new Appian version. Please apply the latest hotfix to your Appian installation or upgrade to the latest version of Appian.

Symptoms

Importing an application/patch results in "The uploaded file is invalid" with the following error observed in the application server log:

INFO [stdout] ERROR com.appiancorp.object.action.InspectReaction - The file could not be inspected. docId=****, docName=****, docInternalFileName=****
INFO [stdout] com.appiancorp.ix.ImportFacadeException: The uploaded file is invalid (APNX-1-4268-003) (APNX-1-4268-003)The uploaded file is invalid (APNX-1-4268-003) (APNX-1-4268-003)
...
INFO [stdout] Caused by: com.appiancorp.kougar.driver.exceptions.Signal: length

Cause

This issue has been addressed in Appian 18.3.

Action

Upgrade to the latest version of Appian.

Affected Versions

This article applies to Appian 18.2 and earlier.

Last Reviewed: May 2019