zendframework/zf2 — pull request #3323 by samsonasik (2013-01-01 19:09:50+00:00)
Title: user of app. should not see these exception

tableName, identityColumn, and credentialColumn are developer matter. but not for the value of identity/credential. User should not see the exception if accidentally login with no identity or credential. if user see the exception, user know that developer using DbTable adapter for his auth.