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From "Christian Hufgard (JIRA)" <>
Subject [jira] Updated: (NET-141) FTPClient/DefaultSocketFactory does not regard default timeout
Date Mon, 25 Sep 2006 10:19:51 GMT
     [ ]

Christian Hufgard updated NET-141:


Simple factory that uses jdk1.4's feature to create a Socket with a connection timeout.

> FTPClient/DefaultSocketFactory does not regard default timeout
> --------------------------------------------------------------
>                 Key: NET-141
>                 URL:
>             Project: Commons Net
>          Issue Type: Bug
>    Affects Versions: 1.4 Final
>            Reporter: Christian Hufgard
>         Attachments:
> Hi,
> If executing the following code
>  String hostname = "localhost";
>  FTPClient client = new FTPClient();
>  client.setDefaultTimeout(1000);
>  client.connect(hostname);
> against a ftp server that ignores the connection attempt (e.g. is firewalled/malfunctoned),
there will be no exception after 1000 ms. The exception will be thrown after a default timeout
of three minutes. (Three minutes on a debian/ and a suse machines. Might be different on other
> JavaDoc says:
> public void setDefaultTimeout(int timeout)
>   Set the default timeout in milliseconds to use when opening a socket.
> Digging through the code I found, that DefaultSocketFactory which is used be SocketClient
does not care about any value set with this method. It creates a new Socket with Socket(hostname,
port) and relies on the VMs behaviour.
> To get this fixed I set a custom SocketFactory with client.setSocketFactory(socketFactory);
that uses a timeout for socket connection.
> This bug is also in 1.4.1, but this value is not listed...
> Christian

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