#lockout

ORA-28015: Account unlock attempted on read-only database but a conflicting account lockout on the primary exists

文档解释ORA-28015:Accountunlockattemptedonread-onlydatabasebutaconflictingaccountlockoutontheprimaryexistsCause:Anattempttounlockanaccountonaread-onlydatabasewaspre...

AM org.apache.catalina.realm.LockOutRealm authenticate WARNING: An attempt was made to authenticate the locked user "tomcat"

原因:你的应用加了身份认证,有人试图用tomcat用户登陆你的应用,密码输入错误5次或者5次以上(缺省是5次),就会在日志中记录警告信息,并锁定并禁止该用户的进一步登陆。以提醒你可能有人恶意猜测你的管理员密码。是tomcat为了阻止brute-force攻击(基于密码加密的暴力破解法)的安全策略。...