Description
The issue can be observed after the following sequence of upgrade steps required to get from Access Manager 7.1 to 8.0U1P1 as described in the relevant documentation, Upgrading to OpenSSO Enterprise 8.0 in Sun OpenSSO Enterprise 8.0 Upgrade Guide:
Undeploy AM7.1.
Run the ssopre80upgrade script.
Deploy OpenSSO 8.0 Enterprise.
Configure the deployment against existing datastore (DSEE 6.3.1 in this case)
Run the ssoupgrade script.
Verify OpenSSO is working (optional).
Use the ssopatch tool to prepare staging area for the 8.0U1P1.
Prepare the WAR file from the staging area.
Attempts to deploy the new amserver.war subsequently fail, and it appears there is an infinite loop during the application startup.
See the report for 5509 for more information about this bug.
Solution
Problem has been addressed in latest OpenSSO Enterprise patch; for an upgrade, use OpenSSO Enterprise version 8.0 Update 1 Patch 4 or later.