Java错误java.util.concurrent.ConcurrentHashMap.keySet [英] Java error java.util.concurrent.ConcurrentHashMap.keySet

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本文介绍了Java错误java.util.concurrent.ConcurrentHashMap.keySet的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

嘿家伙得到这个错误:
你们可以尝试解决这个问题吗?或者看到修补程序或其他内容有什么错误

Hey guy's am getting this error: Can you guy's possibly try to fix this? or see whats wrong post a fix or something

非常感谢你们:)

Exception in thread "ExtensionHandler-1" java.lang.NoSuchMethodE
rror: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/Concu
rrentHashMap$KeySetView;
        at aerivial.requests.aqw.GetAction.process(GetAction.java:196)
        at it.gotoandplay.smartfoxserver.controllers.ExtensionHandler.processEve
nt(ExtensionHandler.java:535)
        at it.gotoandplay.smartfoxserver.controllers.ExtensionHandler.run(Extens
ionHandler.java:344)
        at java.lang.Thread.run(Thread.java:619)

错误代码:

        ConcurrentHashMap tgtBuffDebuffs = (ConcurrentHashMap)userTgt.properties.get(Users.BUFFS_DEBUFFS);

        for (Iterator i = tgtBuffDebuffs.keySet().iterator(); i.hasNext(); ) { int auraId = ((Integer)i.next());
          Aura aura = (Aura)World.instance.auras.get(Integer.valueOf(auraId));
          if ((aura.getDamage() >= 0.0D) && (!aura.getCategory().equals("d"))) {
            damage = (int)(damage * aura.getDamage());
          }
        }


推荐答案

看起来就像你有一个需要java8的库而你在低于8的版本下运行。

Looks like you have a library which need java8 and you run under a version lower than 8.

在java 8中,api已经改变了:

In java 8 the api has changed:

在java 8中,keySet方法返回一个对象

In java 8 the keySet method returned an object

ConcurrentHashMap.KeySetView<K,V>

在java 7中

Set<K>

这篇关于Java错误java.util.concurrent.ConcurrentHashMap.keySet的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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