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From "Bogdan Drozdowski (JIRA)" <j...@apache.org>
Subject [jira] Updated: (NET-327) "Unconnected sockets not implemented" when using FTPSClient
Date Thu, 10 Mar 2011 16:20:59 GMT

     [ https://issues.apache.org/jira/browse/NET-327?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bogdan Drozdowski updated NET-327:
----------------------------------

    Attachment: ftps-reconn.diff

A code sample would be nice. But I've managed to do my own: executing the sequence "connect,
execPROT(P), login, disconnect" twice on the same client instance causes the error. My patch
fixes this issue - it overrides the disconnect() method of FTPClient in FTPSClient to re-set
the SocketFactories (null is allowed, because the SocketClient knows how to deal with it).
Thanks goes to Bengt Rodehav (http://www.mail-archive.com/user@commons.apache.org/msg04935.html)
for pointing this out.

> "Unconnected sockets not implemented" when using FTPSClient
> -----------------------------------------------------------
>
>                 Key: NET-327
>                 URL: https://issues.apache.org/jira/browse/NET-327
>             Project: Commons Net
>          Issue Type: Bug
>          Components: FTP
>    Affects Versions: 2.0
>         Environment: Windows XP SP3, Java 1.6.0_18, Apache Karaf 1.6.0
>            Reporter: Bengt Rodehav
>         Attachments: ftps-reconn.diff
>
>
> I'm using Apache Camel as an integration platform. Specifically, at the moment, I depend
on the ftp/ftps/sftp support in the camel-ftp component. Under the hood Camel uses Commons
Net for ftp and ftps support.
> Recently, the camel-ftp component was enhanced (on my request) with the possibility to
use a secure data channel. This is accomplished by using the execProt() (and execPsbz()) method
in class FTPSClient.
> However, later on (in case Camel needs to reconnect), one of the connect() methods in
the base class to FTPSClient is called. Unfortunately all the connect methods first create
an unconnected socket and then tries to connect it. The connection factory now associated
with the FTPSClient then throws an exception stating: "Unconnected sockets not implemented".
> It seems like the FTPSClient does not support "re-connect" once it has entered secure
communications mode.
> See also: http://www.mail-archive.com/user@commons.apache.org/msg04933.html
> and http://www.mail-archive.com/users@camel.apache.org/msg08732.html

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