因为失败了：de.measite.minidns.hla.ResolutionUnsuccessfulException：请求xxxx. IN AAAA时出现错误响应NX_DOMAIN。

Question

我将smack升级到4.2.0版本后，出现了连接问题。

The following addresses failed: 'xxxx:5222' failed because: 

de.measite.minidns.hla.ResolutionUnsuccessfulException: Asking for xxxx.    IN  A yielded an error response NX_DOMAIN, '52.90.233.38:5222' failed because: de.measite.minidns.hla.ResolutionUnsuccessfulException: Asking for xxxx. IN  AAAA yielded an error response NX_DOMAIN

当连接配置构建器中设置主机时，会出现问题。

示例：

.setHost(ServiceConstants.CHAT_SERVER)

请查看https://github.com/igniterealtime/Smack/wiki/Smack-4.2-Readme-and-Upgrade-Guide了解更多相关的IT技术内容。

这是我的最终配置，在Davood Falahati的帮助下成功运行！

InetAddress inetAddress = InetAddress.getByName(ServiceConstants.CHAT_SERVER);
            XMPPTCPConnectionConfiguration.Builder builder = XMPPTCPConnectionConfiguration.builder()
                    .setXmppDomain(JidCreate.from(ServiceConstants.CHAT_SERVER).asDomainBareJid())
                    .setPort(5222)
                    .setHostAddress(inetAddress)
                    .setDebuggerEnabled(true)
                    .setSendPresence(true)

- Jaspreet Chhabra

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可能是重复的问题：smack 4.2.0 上的错误：IN AAAA yielded an error response NX_DOMAIN - Flow

Answer 1

这个问题主要出现在本地网络中，当xmpp服务器没有在本地DNS中配置时。为了解决这个问题，请显式地寻址xmpp服务器并使用

setHostAddress(InetAddress address)

请查看我在这里的回答

- Davood Falahati

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谢谢，我会去查看的。 - Jaspreet Chhabra

这解决了问题，请参见https://github.com/igniterealtime/Smack/wiki/Smack-4.2-Readme-and-Upgrade-Guide - Jaspreet Chhabra