whoops. I set the wrong option to on (show_status instead of show_stacktrace). Here is what upgrade.php check reports:
[elt@ejournal ojsfontanustest]$ sudo php tools/upgrade.php check
DB Error: Unknown column 'domain' in 'field list'
Stack Trace:
File: /ojscontent/www/test/ojsfontanustest/lib/pkp/classes/session/SessionDAO.inc.php line 88
Function: DAO->update("INSERT INTO sessions
(session_id, ip_address, user_agent, cr...", Array(8))
File: /ojscontent/www/test/ojsfontanustest/lib/pkp/classes/session/SessionManager.inc.php line 91
Function: SessionDAO->insertSession(Object(Session))
File: /ojscontent/www/test/ojsfontanustest/lib/pkp/classes/session/SessionManager.inc.php line 130
Function: SessionManager->SessionManager(Object(SessionDAO), Object(Request))
File: /ojscontent/www/test/ojsfontanustest/classes/security/Validation.inc.php line 281
Function: SessionManager->getManager()
File: /ojscontent/www/test/ojsfontanustest/classes/security/Validation.inc.php line 187
Function: Validation->isLoggedIn()
File: /ojscontent/www/test/ojsfontanustest/classes/security/Validation.inc.php line 293
Function: Validation->isAuthorized(1)
File: /ojscontent/www/test/ojsfontanustest/plugins/generic/backup/BackupPlugin.inc.php line 29
Function: Validation->isSiteAdmin()
File: /ojscontent/www/test/ojsfontanustest/lib/pkp/classes/plugins/PluginRegistry.inc.php line 66
Function: BackupPlugin->register("generic", "plugins/generic/backup")
File: /ojscontent/www/test/ojsfontanustest/lib/pkp/classes/plugins/PluginRegistry.inc.php line 137
Function: PluginRegistry->register("generic", Object(BackupPlugin), "plugins/generic/backup")
File: /ojscontent/www/test/ojsfontanustest/lib/pkp/classes/cliTool/CliTool.inc.php line 64
Function: PluginRegistry->loadCategory("generic")
File: /ojscontent/www/test/ojsfontanustest/lib/pkp/classes/cliTool/UpgradeTool.inc.php line 34
Function: CommandLineTool->CommandLineTool(Array(2))
File: /ojscontent/www/test/ojsfontanustest/tools/upgrade.php line 29
Function: UpgradeTool->upgradeTool(Array(2))
File: /ojscontent/www/test/ojsfontanustest/tools/upgrade.php line 33
Function: OJSUpgradeTool->OJSUpgradeTool(Array(2))
ojs2: DB Error: Unknown column 'domain' in 'field list'
DB Error: Unknown column 'domain' in 'field list'
Stack Trace:
File: /ojscontent/www/test/ojsfontanustest/lib/pkp/classes/session/SessionDAO.inc.php line 119
Function: DAO->update("UPDATE sessions
SET
user_id = ?,
ip_address = ?,
...", Array(9))
File: /ojscontent/www/test/ojsfontanustest/lib/pkp/classes/session/SessionManager.inc.php line 186
Function: SessionDAO->updateObject(Object(Session))
File: (unknown) line (unknown)
Function: SessionManager->write("5veour344p8nbr5hdq8f03l3i4", "")
ojs2: DB Error: Unknown column 'domain' in 'field list'