javax.mail.AuthenticationFailedException: EOF on socket
javax.mail.AuthenticationFailedException:   EOF   on   socket
at   com.sun.mail.pop3.POP3Store.protocolConnect(POP3Store.java:104)
at   javax.mail.Service.connect(Service.java:233)
at   javax.mail.Service.connect(Service.java:134)
at   qionghua.RecvMail.recevie(RecvMail.java:127)
at   qionghua.RecvMail$1.actionPerformed(RecvMail.java:60)
at   javax.swing.AbstractButton.fireActionPerformed(Unknown   Source)
at   javax.swing.AbstractButton$Handler.actionPerformed(Unknown   Source)
at   javax.swing.DefaultButtonModel.fireActionPerformed(Unknown   Source)
at   javax.swing.DefaultButtonModel.setPressed(Unknown   Source)
at   javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown   Source)
at   java.awt.Component.processMouseEvent(Unknown   Source)
at   javax.swing.JComponent.processMouseEvent(Unknown   Source)
at   java.awt.Component.processEvent(Unknown   Source)
at   java.awt.Container.processEvent(Unknown   Source)
at   java.awt.Component.dispatchEventImpl(Unknown   Source)
at   java.awt.Container.dispatchEventImpl(Unknown   Source)
at   java.awt.Component.dispatchEvent(Unknown   Source)
at   java.awt.LightweightDispatcher.retargetMouseEvent(Unknown   Source)
at   java.awt.LightweightDispatcher.processMouseEvent(Unknown   Source)
at   java.awt.LightweightDispatcher.dispatchEvent(Unknown   Source)
at   java.awt.Container.dispatchEventImpl(Unknown   Source)
at   java.awt.Window.dispatchEventImpl(Unknown   Source)
at   java.awt.Component.dispatchEvent(Unknown   Source)
at   java.awt.EventQueue.dispatchEvent(Unknown   Source)
at   java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown   Source)
at   java.awt.EventDispatchThread.pumpEventsForFilter(Unknown   Source)
at   java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown   Source)
at   java.awt.EventDispatchThread.pumpEvents(Unknown   Source)
at   java.awt.EventDispatchThread.pumpEvents(Unknown   Source)
at   java.awt.EventDispatchThread.run(Unknown   Source)

是怎么回事,那位高手能解决以下

------解决方案--------------------
链接服务器出异常