WFA download logs is unavailable with error "404 - Page not found"

Applies to

OnCommand Workflow Automation (WFA) for Windows

Issue

• When trying to download logs for WFA, the following error occurs.

Error!
Unable to complete your action, please try again or contact your system administrator.
Possible reason for error: 404 - Page not found.

• server.log of WFA reports an error like below.

ERROR [org.jboss.as.controller.management-operation] (DeploymentScanner-threads - 2) JBAS014612: Operation ("read-resource") failed - address: ([("deployment" => "log-download.war")]): java.lang.OutOfMemoryError: Java heap space