RHEV Reports not working after 3.3 => 3.4 upgrade, engine-backup fails with "authentication failed for user engine_history" error

Issue

• After upgrading RHEV Manager from 3.3 to 3.4 reporting stopped working with the following error:

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License Failed
Invalid license. License file /usr/share/ovirt-engine-reports/jasperserver.license was not found.

Please contact Red Hat Technical Support.
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• Accessing the URL for reports produces the following:

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JBWEB000065: HTTP Status 404 - /rhevm-reports

JBWEB000309: type JBWEB000067: Status report

JBWEB000068: message /rhevm-reports

JBWEB000069: description JBWEB000124: The requested resource is not available.

JBoss Web/7.3.1.Final-redhat-1
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