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  1. ,

    Its saying that a Java application is trying to connect on port but that port is already being used by some other process and JVM Bind to that particular port is failed.

  2. ,
    via Stack Overflow by Coffee

    Check which program is running on the given port.

    Windows: netstat -a -b -n (Use Resource Monitor if you are admin) Linux: lsof -i:<port>

    Kill the process.

    Windows taskkill -pid <process-id> /f Linux kill -9 <process-id>

Solutions on the web

via Stack Overflow by Roberto Sancho Rojas
, 1 year ago
Failed to bind to: HOSTNAMEA/HOSTNAMEA:3333
via Stack Overflow by Davide Mandrini
, 7 months ago
via nabble.com by Unknown author, 2 years ago
via Stack Overflow by Laurel
, 1 year ago
java.net.BindException: Cannot assign requested address	at sun.nio.ch.Net.bind0(Native Method)	at sun.nio.ch.Net.bind(Net.java:437)	at sun.nio.ch.Net.bind(Net.java:429)	at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)	at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)	at org.jboss.netty.channel.socket.nio.NioServerBoss$RegisterTask.run(NioServerBoss.java:193)	at org.jboss.netty.channel.socket.nio.AbstractNioSelector.processTaskQueue(AbstractNioSelector.java:372)	at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:296)	at org.jboss.netty.channel.socket.nio.NioServerBoss.run(NioServerBoss.java:42)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)