shiro自定義異常沒法被捕獲老是拋出AuthenticationException解決方案

　　這個問題我也是出的莫名其妙，剛開始好好的，而後配置多realm以後出的。

　　如今直入主題

　　在繼承了 org.apache.shiro.authc.pam.ModularRealmAuthenticator的類中重寫doMultiRealmAuthentication方法

　　如下是重寫的代碼，判斷是否存在異常。若是存在異常，則拋出。

public class MyModularRealmAuthenticator extends ModularRealmAuthenticator {

    private static final Logger log = LoggerFactory.getLogger(ModularRealmAuthenticator.class);

    @Override
    protected AuthenticationInfo doMultiRealmAuthentication(Collection<Realm> realms, AuthenticationToken token) throws AuthenticationException {
        AuthenticationStrategy strategy = getAuthenticationStrategy();

        AuthenticationInfo aggregate = strategy.beforeAllAttempts(realms, token);

        if (log.isTraceEnabled()) {
            log.trace("Iterating through {} realms for PAM authentication", realms.size());
        }
        AuthenticationException authenticationException = null;
        for (Realm realm : realms) {

            aggregate = strategy.beforeAttempt(realm, token, aggregate);

            if (realm.supports(token)) {

                log.trace("Attempting to authenticate token [{}] using realm [{}]", token, realm);

                AuthenticationInfo info = null;
                try {
                    info = realm.getAuthenticationInfo(token);
                } catch (AuthenticationException e) {
                    authenticationException = e;
                    if (log.isDebugEnabled()) {
                        String msg = "Realm [" + realm + "] threw an exception during a multi-realm authentication attempt:";
                        log.debug(msg, e);
                    }
                }

                aggregate = strategy.afterAttempt(realm, token, info, aggregate, authenticationException);

            } else {
                log.debug("Realm [{}] does not support token {}.  Skipping realm.", realm, token);
            }
        }
        if(authenticationException != null){
            throw authenticationException;
        }
        aggregate = strategy.afterAllAttempts(token, aggregate);

        return aggregate;
    }
}

 

　　關鍵點在於

　　　　if(authenticationException != null){
            throw authenticationException;
        }

　
有可能出現的問題。。。
可能會出現第二個realm會出現第一個realm的拋出的異常。樓主直接在subject.login(token);try處理了。。
若是想在第二個realm裏throw new ，別拋出RuntimeException這個就行。。。

try {
    subject.login(token);
}catch (LoginPhoneException e){
    Map map = new HashMap();
    map.put("code", CodeAndMsgEnum.INFO.getCode());
    return map;
}catch (RuntimeException e){
    System.out.println("出現了這個異常。。。可是無論他，由於我也不知道怎麼處理");
}

瞎搞一通，總之解決了問題，可是我的以爲有點不理想，算了，但願能夠找到更好的解決方法。