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POjava.net.UnknownHostException: 10.0.246.242
 

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  1. POjava.net.UnknownHostException: 10.0.246.242
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    <p>I am Trying to connect to Host using Telnet but I am getting <strong>java.net.UnknownHostException:</strong></p> <p>Here is the Code for your reference....</p> <pre><code>public AutomatedTelnetClient(String server, String user, String password) throws IOException { try { telnet.connect(server, 23); } catch (Exception e) { e.printStackTrace(); } } </code></pre> <p><strong>STACK TRACE:-</strong></p> <p><code>java.net.UnknownHostException: 10.0.246.242 at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:177)at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)at java.net.Socket.connect(Socket.java:525)at org.apache.commons.net.SocketClient.connect(SocketClient.java:176)at connect.AutomatedTelnetClient.&lt;init&gt;(AutomatedTelnetClient.java:25)at Connect.AutomatedTelnetClient.test(AutomatedTelnetClient.java:113)at TelnetConnetct.jButton1ActionPerformed(TelnetConnetct.java:110)at TelnetConnetct.access$000(TelnetConnetct.java:20)at TelnetConnetct$1.actionPerformed(TelnetConnetct.java:55)at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)at java.awt.Component.processMouseEvent(Component.java:6263)at javax.swing.JComponent.processMouseEvent(JComponent.java:3255)at java.awt.Component.processEvent(Component.java:6028) at java.awt.Container.processEvent(Container.java:2041) at java.awt.Component.dispatchEventImpl(Component.java:4630) at java.awt.Container.dispatchEventImpl(Container.java:2099) at java.awt.Component.dispatchEvent(Component.java:4460) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168) at java.awt.Container.dispatchEventImpl(Container.java:2085) at java.awt.Window.dispatchEventImpl(Window.java:2475) at java.awt.Component.dispatchEvent(Component.java:4460) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122) </code></p> <p>I am Trying to connect to remote system using Tenet Having three text boxes which accepts Host id, username and password</p> <p>When i am Doing Ping :</p> <pre><code>`Ping statistics for 10.0.246.242: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),Approximate round trip times in milli-seconds:Minimum = 0ms, Maximum = 17ms, Average = 4mshere` </code></pre>
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    1. COWhat does this have to do with Swing? I suggest that you remove the Swing tag from this question.
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    2. COCould you paste the stack trace. Thanks.
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    3. COWhat's the value of server in `telnet.connect(server, 23);`? Also Can you add details on the `telnet` class? Are you using a third party library?
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