title: Tomcat7 bind to port 80 fails in Ubuntu 14.04LTS
body: <p>I've got a problem with my tomcat7 installation on a newly updated Ubuntu system. Ever since the update to 14.04 LTS, tomcat refuses to start on port 80 with an error that I cannot solve, nor find anything on how to fix it:</p>
  
  <pre><code>    Information: Initializing ProtocolHandler ["http-bio-80"]
  Apr 24, 2014 4:39:37 PM org.apache.coyote.AbstractProtocol init
  Schwerwiegend: Failed to initialize end point associated with ProtocolHandler ["http-bio-80"]
  java.net.SocketException: Datei oder Verzeichnis nicht gefunden
      at java.net.PlainSocketImpl.socketBind(Native Method)
      at java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:376)
      at java.net.ServerSocket.bind(ServerSocket.java:376)
      at java.net.ServerSocket.&lt;init&gt;(ServerSocket.java:237)
      at java.net.ServerSocket.&lt;init&gt;(ServerSocket.java:181)
      at org.apache.tomcat.util.net.DefaultServerSocketFactory.createSocket(DefaultServerSocketFactory.java:49)
      at org.apache.tomcat.util.net.JIoEndpoint.bind(JIoEndpoint.java:397)
      at org.apache.tomcat.util.net.AbstractEndpoint.init(AbstractEndpoint.java:640)
      at org.apache.coyote.AbstractProtocol.init(AbstractProtocol.java:434)
      at org.apache.coyote.http11.AbstractHttp11JsseProtocol.init(AbstractHttp11JsseProtocol.java:119)
      at org.apache.catalina.connector.Connector.initInternal(Connector.java:978)
      at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
      at org.apache.catalina.core.StandardService.initInternal(StandardService.java:559)
      at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
      at org.apache.catalina.core.StandardServer.initInternal(StandardServer.java:813)
      at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
      at org.apache.catalina.startup.Catalina.load(Catalina.java:638)
      at org.apache.catalina.startup.Catalina.load(Catalina.java:663)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:606)
      at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:280)
      at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:454)
  </code></pre>
  
  <p>The thing is, I've done exactly what I've done in previous Ubuntus (was running 12.04 LTS), in short, edited the server.xml to port 80 and also changed authbind in /etc/default/tomcat7 to yes, so basically everything you have to do to run tomcat on port 80.</p>
  
  <p>Doing those steps on a 12.04LTS works fine, just on the 14.04LTS it now throws this "file or directory not found" error.</p>
  
  <p>Also when upgrading a 12.04LTS (on which tomcat runs fine on port 80) to 14.04LTS, it suddenly throws the error above, while all configuration are identical to what worked in 12.04LTS.</p>
  
  <p>I hope anyone can help me fix this problem.</p>