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POUnable to connect server java.net.BindException: Cannot assign requested address: bind
 

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  1. POUnable to connect server java.net.BindException: Cannot assign requested address: bind
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    <p>Working fine when i connect the localhost(127.0.0.1), but unable to connect when i connect to 12.11.123.121. Getting below error.</p> <p>Note: Given Socket server is dummy one. <strong>Error</strong></p> <pre><code>java.net.BindException: Cannot assign requested address: bind at sun.nio.ch.Net.bind0(Native Method) at sun.nio.ch.Net.bind(Unknown Source) at sun.nio.ch.Net.bind(Unknown Source) at sun.nio.ch.AsynchronousServerSocketChannelImpl.bind(Unknown Source) at java.nio.channels.AsynchronousServerSocketChannel.bind(Unknown Source) at com.epro.welcome.ComputerInstruClient.serverStart(ComputerInstruClient.java:40) at com.epro.welcome.ComputerInstruClient.access$0(ComputerInstruClient.java:36) at com.epro.welcome.ComputerInstruClient$1.run(ComputerInstruClient.java:70) at java.lang.Thread.run(Unknown Source) </code></pre> <p><strong>Code</strong></p> <pre><code>import java.io.InputStream; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.OutputStream; import java.net.InetAddress; import java.net.InetSocketAddress; import java.nio.channels.AsynchronousServerSocketChannel; import java.nio.channels.AsynchronousSocketChannel; import java.nio.channels.Channels; import java.util.concurrent.Future; public class Test { private static void clientStart() { try { InetSocketAddress hostAddress = new InetSocketAddress(InetAddress.getByName("12.11.123.121"), 2583); AsynchronousSocketChannel clientSocketChannel = AsynchronousSocketChannel .open(); Future&lt;Void&gt; connectFuture = clientSocketChannel.connect(hostAddress); connectFuture.get(); // Wait until connection is done. OutputStream os = Channels.newOutputStream(clientSocketChannel); ObjectOutputStream oos = new ObjectOutputStream(os); for (int i = 0; i &lt; 5; i++) { oos.writeObject("Look at me " + i); Thread.sleep(1000); } oos.writeObject("EOF"); oos.close(); clientSocketChannel.close(); } catch (Exception e) { e.printStackTrace(); } } private static void serverStart() { try { InetSocketAddress hostAddress = new InetSocketAddress(InetAddress.getByName("12.11.123.121"), 2583); AsynchronousServerSocketChannel serverSocketChannel = AsynchronousServerSocketChannel .open().bind(hostAddress); Future&lt;AsynchronousSocketChannel&gt; serverFuture = serverSocketChannel .accept(); final AsynchronousSocketChannel clientSocket = serverFuture.get(); if ((clientSocket != null) &amp;&amp; (clientSocket.isOpen())) { InputStream connectionInputStream = Channels .newInputStream(clientSocket); ObjectInputStream ois = null; ois = new ObjectInputStream(connectionInputStream); while (true) { Object object = ois.readObject(); if (object.equals("EOF")) { clientSocket.close(); break; } System.out.println("Received :" + object); } ois.close(); connectionInputStream.close(); } } catch (Exception e) { e.printStackTrace(); } } public static void main(String[] args) throws Exception{ Thread serverThread = new Thread(new Runnable() { @Override public void run() { serverStart(); } }); serverThread.start(); Thread clientThread = new Thread(new Runnable() { @Override public void run() { clientStart(); } }); clientThread.start(); } } </code></pre>
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    1. This table or related slice is empty.
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    1. PTQuestion
    1. This table or related slice is empty.
    1. USBharanikumar
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
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    1. This table or related slice is empty.
    1. VO
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      1. POUnable to connect server java.net.BindException: Cannot assign requested address: bind
      1. This table or related slice is empty.
      1. VTUpMod
    2. VO
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      1. POUnable to connect server java.net.BindException: Cannot assign requested address: bind
      1. This table or related slice is empty.
      1. VTDownMod
    1. COpossible duplicate of [Cannot assign requested address: JVM\_Bind](http://stackoverflow.com/questions/8965155/cannot-assign-requested-address-jvm-bind)
      singulars
      1. POUnable to connect server java.net.BindException: Cannot assign requested address: bind
      1. USRhand
    2. COHave you checked if the port is free?
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      1. POUnable to connect server java.net.BindException: Cannot assign requested address: bind
      1. USRhand
    3. COthis same port working fine in new socket() function. but unable to connect in asynsocketchannel
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      1. POUnable to connect server java.net.BindException: Cannot assign requested address: bind
      1. USBharanikumar
 

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