Apache Shiro 认证失败处理
Shiro通过异常类来描述认证失败的原因，比如：AuthenticationToken token = new UsernamePasswordToken(loginName,loginPwd);
Subject currentUser = SecurityUtils.getSubject();
try {
currentUser.login(token);
} catch (UnknownAccountException uae) {
log.info("username wasn't in the system.");
} catch (IncorrectCredentialsException ice) {
log.info("password didn't match.");
} catch (LockedAccountException lae) {
log.info(account for that username is locked - can't login.");
} catch (AuthenticationException ae) {
log.info("unexpected condition.");
}
Shiro自带的认证异常类类图如下：
所有的异常类都是继承AuthenticationExceptions。如果现有的异常类不符合您的要求，可以自定义AuthenticationExceptions来代表具体的异常情况。
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