我试图想出一个程序,从计算机A发送数据包到计算机B。这两台计算机都必须有我的java程序的副本。这需要在对象中输入远程计算机的名称,在JTextArea对象中输入消息,然后单击“发送”按钮。[Root exception is java.net.SocketTimeoutException: Receive timed out]; remaining name 'user'
at com.sun.jndi.dns.DnsClient.query(DnsClient.java</
(DnsResolveContext.java:806),io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:333dns.DnsResolveContext.query(DnsResolveContext.java:333) at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:322) at