try
{
pam.unregisterPortletApplication(pa.getName());
StringResourceModel resModel = new StringResourceModel("pam.details.action.status.deleteOK", this, null, new Object [] { pab.getPath() } );
feed.info(resModel.getString());
auditActivity.logAdminRegistryActivity(
((AbstractAdminWebApplication) getApplication()).getUserPrincipalName(),
((AbstractAdminWebApplication) getApplication()).getIPAddress(),
AuditActivity.REGISTRY_DELETE,
PORTLET_REGISTRY_MANAGER
);