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From "Sebb (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (NET-434) FTPClient fails to close local listener socket when command socket channel encounter "ReadTimeoutException"
Date Thu, 05 Jan 2012 18:56:39 GMT

     [ https://issues.apache.org/jira/browse/NET-434?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sebb resolved NET-434.
----------------------

       Resolution: Fixed
    Fix Version/s: 3.1
    
> FTPClient  fails to close local listener socket when command socket channel encounter
"ReadTimeoutException"
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: NET-434
>                 URL: https://issues.apache.org/jira/browse/NET-434
>             Project: Commons Net
>          Issue Type: Bug
>          Components: FTP
>    Affects Versions: 2.2, 3.0.1
>         Environment: Red Hat Enterprise Linux Server release 5.6 (Tikanga) x64
> java version "1.6.0_26"
> Java(TM) SE Runtime Environment (build 1.6.0_26-b03)
> Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode)
>            Reporter: zhangyong
>             Fix For: 3.1
>
>
> FtpClient connect to an ftp server and login successfully, call ftpClient.listFiles()
method to list remote directory,
> and ftp server is vsftp and use active mode.
> on commons-net-3.0.1 class org.apache.commons.net.ftp.FTPClient at line 680 :  
>    if (!FTPReply.isPositivePreliminary(sendCommand(command, arg)))
>             {
>                 server.close();
>                 return null;
>             }
> call sendCommand throw an exception blow:
> java.net.SocketTimeoutException: Read timed out
>         at java.net.SocketInputStream.socketRead0(Native Method)
>         at java.net.SocketInputStream.read(SocketInputStream.java:129)
>         at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:264)
>         at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:306)
>         at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:158)
>         at java.io.InputStreamReader.read(InputStreamReader.java:167)
>         at java.io.BufferedReader.fill(BufferedReader.java:136)
>         at java.io.BufferedReader.readLine(BufferedReader.java:299)
>         at java.io.BufferedReader.readLine(BufferedReader.java:362)
>         at org.apache.commons.net.ftp.FTP.__getReply(FTP.java:299)
>         at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:500)
> class org.apache.commons.net.ftp.FTPClient at line 648 :  ServerSocket server = _serverSocketFactory_.createServerSocket(getActivePort(),
1, getHostAddress());
> the local listener socket "server" is not close when sendCommand method throws exception.

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