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From: Andrus Adamchik <andrus@objectstyle.org>
Subject: Re: Problems creating a ftp server: java.net.BindException:
 Permission denied
Date: Tue, 13 Feb 2007 14:45:22 -0500
To: general@incubator.apache.org

Hi Miguel,

This is a general incubator list that deals with internal procedures  
of various "incubating" Apache projects. Each one of those projects  
(including FtpServer), have their own mailing lists dedicated to the  
project specific technical issues. For FtpServer that would likely be  
ftpserver-dev@incubator.apache.org:

http://incubator.apache.org/ftpserver/mail-lists.html

Frankly, this is not your fault for mixing the lists. I am looking at  
the page above and indeed it seems to imply that general@incubator is  
a project list, which is not the case.

Andrus

On Feb 13, 2007, at 2:34 PM, Miguel Yepes Moyano wrote:

> Hello. I'm newbie in the list, and I have subscribed on it because i
> have got a problem: I have created a daemon program using Apache  
> Common
> Daemons and launched with jsvc utility, and this one implements a  
> Apache
> ftp server. When I launch it using the port 21 i've the following
> problem:
>
> [...]
> WARN FtpGenerator start - exception thrown
> java.net.BindException: Permission denied
>         at java.net.PlainSocketImpl.socketBind(Native Method)
>         at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:359)
>         at java.net.ServerSocket.bind(ServerSocket.java:319)
>         at java.net.ServerSocket.<init>(ServerSocket.java:185)
>         at java.net.ServerSocket.<init>(ServerSocket.java:141)
>         at
> org.apache.ftpserver.socketfactory.FtpSocketFactory.createServerSocket 
> (FtpSocketFactory.java:92)
>         at org.apache.ftpserver.FtpServer.start(FtpServer.java:59)
>         at
> com.aplicatec.alarmserver.ftpgenerator.FtpGenerator.start 
> (FtpGenerator.java:137)
>         at
> com.aplicatec.alarmserver.server.AlarmServer.start(AlarmServer.java: 
> 138)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at
> sun.reflect.NativeMethodAccessorImpl.invoke 
> (NativeMethodAccessorImpl.java:39)
>         at
> sun.reflect.DelegatingMethodAccessorImpl.invoke 
> (DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:585)
>         at
> org.apache.commons.daemon.support.DaemonLoader.start 
> (DaemonLoader.java:177)
> java.lang.reflect.InvocationTargetException
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at
> sun.reflect.NativeMethodAccessorImpl.invoke 
> (NativeMethodAccessorImpl.java:39)
>         at
> sun.reflect.DelegatingMethodAccessorImpl.invoke 
> (DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:585)
>         at
> org.apache.commons.daemon.support.DaemonLoader.start 
> (DaemonLoader.java:177)
> Caused by: com.aplicatec.alarmserver.exception.AlarmServerException:
> Exception thrown while starting
>         at
> com.aplicatec.alarmserver.ftpgenerator.FtpGenerator.start 
> (FtpGenerator.java:142)
>         at
> com.aplicatec.alarmserver.server.AlarmServer.start(AlarmServer.java: 
> 138)
>         ... 5 more
> Caused by: java.net.BindException: Permission denied
>         at java.net.PlainSocketImpl.socketBind(Native Method)
>         at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:359)
>         at java.net.ServerSocket.bind(ServerSocket.java:319)
>         at java.net.ServerSocket.<init>(ServerSocket.java:185)
>         at java.net.ServerSocket.<init>(ServerSocket.java:141)
>         at
> org.apache.ftpserver.socketfactory.FtpSocketFactory.createServerSocket 
> (FtpSocketFactory.java:92)
>         at org.apache.ftpserver.FtpServer.start(FtpServer.java:59)
>         at
> com.aplicatec.alarmserver.ftpgenerator.FtpGenerator.start 
> (FtpGenerator.java:137)
>         ... 6 more
> 13/02/2007 19:27:57 26344 jsvc.exec error: Cannot start daemon
> 13/02/2007 19:27:57 26343 jsvc.exec error: Service exit with a return
> value of 5
>
>
>
> This problem does not always appear, it occurs only when daemon is
> launching using port 21 on Linux (both Ubuntu and Gentoo  
> distribution).
> Using ports above 1024, there's no problem. Finally, it runs correctly
> on Ms Windows.
>
> I strongly need to launch the daemon with the port configuration  
> option
> set to the value 21 (of course, when I launch the daemon I'm a root
> user). Can anybody help me?
> Thanks.
>


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