title: Typesafe Activator 0.3.0 Failed to bind to: /127.0.0.1:8888
body: <p>I'm trying to use typesafe-platform and when I run command <strong>activator ui</strong> I get this Exception:</p>
  
  <blockquote>
    <p>C:\activator-0.3.0>activator ui
    Found previous process id: 7552
    Play server process ID is 3828
    [info] play - Application started (Prod)
    Oops, cannot start the server.</p>
  </blockquote>
  
  <pre><code>org.jboss.netty.channel.ChannelException: Failed to bind to: /127.0.0.1:8888
          at org.jboss.netty.bootstrap.ServerBootstrap.bind(ServerBootstrap.java:272)
          at play.core.server.NettyServer.&lt;init&gt;(NettyServer.scala:129)
          at play.core.server.NettyServer$.createServer(NettyServer.scala:229)
          at play.core.server.NettyServer$$anonfun$main$5.apply(NettyServer.scala:261)
          at play.core.server.NettyServer$$anonfun$main$5.apply(NettyServer.scala:260)
          at scala.Option.map(Option.scala:145)
          at play.core.server.NettyServer$.main(NettyServer.scala:260)
          at activator.UIMain$$anonfun$run$1.apply$mcV$sp(UIMain.scala:107)
          at activator.UIMain$$anonfun$run$1.app`enter code here`ly(UIMain.scala:107)
          at activator.UIMain$$anonfun$run$1.apply(UIMain.scala:107)
          at activator.UIMain.withContextClassloader(UIMain.scala:179)
          at activator.UIMain.run(UIMain.scala:107)
          at activator.UIMain.run(UIMain.scala:86)`enter code here`
          at xsbt.boot.Launch$$anonfun$run$1.apply(Launch.scala:57)
          at xsbt.boot.Launch$.withContextLoader(Launch.scala:77)
          at xsbt.boot.Launch$.run(Launch.scala:57)
          at xsbt.boot.Launch$$anonfun$explicit$1.apply(Launch.scala:45)
          at xsbt.boot.Launch$.launch(Launch.scala:65)
          at xsbt.boot.Launch$.apply(Launch.scala:16)
          at xsbt.boot.Boot$.runImpl(Boot.scala:31)
          at xsbt.boot.Boot$.main(Boot.scala:20)
          at xsbt.boot.Boot.main(Boot.scala)
  Caused by: java.net.BindException: Address already in use: bind
          at sun.nio.ch.Net.bind0(Native Method)
          at sun.nio.ch.Net.bind(Net.java:444)
          at sun.nio.ch.Net.bind(Net.java:436)
          at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:214)
          at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
          at org.jboss.netty.channel.socket.nio.NioServerBoss$RegisterTask.run(NioServerBoss.java:193)
          at org.jboss.netty.channel.socket.nio.AbstractNioSelector.processTaskQueue(AbstractNioSelector.java:366)
          at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:290)
          at org.jboss.netty.channel.socket.nio.NioServerBoss.run(NioServerBoss.java:42)
          at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
          at java.lang.Thread.run(Thread.java:724)
  </code></pre>
  
  <p>But there is no process using 8888 port.</p>
  
  <p>I'm Using Windows 8 Pro with JDK 1.7 Update 25 64 Bits</p>
  
  <p>I'm using Play 2.1.3 in PATH Evironment Variable</p>
  
  <p>Anyone had this problem?</p>
  
  <p>Thanks</p>