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tomcatはポート8080を80に変更できません

ポート8080をデフォルトのHTTPポート（80）に変更して、JerseyアプリケーションをHTTP-Restful APIとして使用します。そのため、ポートを8080から80（/etc/Tomcat7/server.xml内）に置き換え、AUTHBIND（/etc/defaults/Tomcat7）を使用するように構成しました。サービスを再起動した後、/var/log/Tomcat7/catalina.outにこの奇妙なエラーが見つかりました。

誰かがこのエラーを翻訳できますか？ Tomcatがソケットを作成できないのはなぜですか？

私はubuntu 14.04とTomcat7を使用しています。

INFO: Initializing ProtocolHandler ["http-bio-80"]
Jul 25, 2014 4:08:28 AM org.Apache.coyote.AbstractProtocol init
SEVERE: Failed to initialize end point associated with ProtocolHandler ["http-bio-80"]
Java.net.SocketException: No such file or directory
    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.<init>(ServerSocket.Java:237)
    at Java.net.ServerSocket.<init>(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)

Jul 25, 2014 4:08:28 AM org.Apache.catalina.core.StandardService initInternal
SEVERE: Failed to initialize connector [Connector[HTTP/1.1-80]]
org.Apache.catalina.LifecycleException: Failed to initialize component [Connector[HTTP/1.1-80]]
    at org.Apache.catalina.util.LifecycleBase.init(LifecycleBase.Java:106)
    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)
Caused by: org.Apache.catalina.LifecycleException: Protocol handler initialization failed
    at org.Apache.catalina.connector.Connector.initInternal(Connector.Java:980)
    at org.Apache.catalina.util.LifecycleBase.init(LifecycleBase.Java:102)
    ... 12 more
Caused by: Java.net.SocketException: No such file or directory
    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.<init>(ServerSocket.Java:237)
    at Java.net.ServerSocket.<init>(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)
    ... 13 more
tomcatporttomcat7
7
NaN

私は実用的な解決策を見つけました：

Sudo touch /etc/authbind/byport/80
Sudo chmod 500 /etc/authbind/byport/80
Sudo chown Tomcat7 /etc/authbind/byport/80

https://stackoverflow.com/questions/23272666/Tomcat7-bind-to-port-80-fails-in-ubuntu-14-04lts

9
NaN