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Posted to dev@commons.apache.org by "videoVj (JIRA)" <ji...@apache.org> on 2007/04/27 16:15:15 UTC
[jira] Commented: (NET-61) [net] FTPClient.listFiles() hangs on Red
Hat Linux
[ https://issues.apache.org/jira/browse/NET-61?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12492303 ]
videoVj commented on NET-61:
----------------------------
I am still facing the same problem with listnames using http://issues.apache.org/jira/browse/NET-61?page=comments#action_12432300 on Java 1.6.0 on LINUX
The call to listNames hangs and when i use ctrl+\ thpart of dump goes liek this:
"Finalizer" daemon prio=10 tid=0x080a7400 nid=0x1445 in Object.wait() [0x404e9000..0x404e931c]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x44662690> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:116)
- locked <0x44662690> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:132)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)
"Reference Handler" daemon prio=10 tid=0x080a6000 nid=0x1444 in Object.wait() [0x40499000..0x4049951c]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x44662720> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:485)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
- locked <0x44662720> (a java.lang.ref.Reference$Lock)
"main" prio=10 tid=0x08057400 nid=0x1442 runnable [0x400b4000..0x400b56f4]
java.lang.Thread.State: RUNNABLE
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
- locked <0x441d98a0> (a java.net.SocksSocketImpl)
at java.net.ServerSocket.implAccept(ServerSocket.java:450)
at java.net.ServerSocket.accept(ServerSocket.java:421)
at org.apache.commons.net.ftp.FTPClient._openDataConnection_(FTPClient.java:503)
at org.apache.commons.net.ftp.FTPClient.listNames(FTPClient.java:1962)
at org.apache.commons.net.ftp.FTPClient.listNames(FTPClient.java:2008)
at
> [net] FTPClient.listFiles() hangs on Red Hat Linux
> --------------------------------------------------
>
> Key: NET-61
> URL: https://issues.apache.org/jira/browse/NET-61
> Project: Commons Net
> Issue Type: Bug
> Affects Versions: 1.4
> Environment: Operating System: Linux
> Platform: PC
> Reporter: George Van Treeck
> Priority: Blocker
> Fix For: 2.0
>
>
> A Java app that uses FTPClient to download a file from a website to Windows XP
> works properly. But, when the same app runs on Linux to download the same file
> from the same website, it hangs at listFiles().
> Using Java 1.5.0_03 on both the Windows XP and Linux. The version of Linux
> used is Fedor Red Hat Linux Core 3 with all the latest updates. The following
> segment of code from the program demonstrates the problem:
> FTPClient ftp = new FTPClient();
> ftp.connect(host);
> reply = ftp.getReplyCode();
> if (!FTPReply.isPositiveCompletion(reply)) {
> final String ftpStatus = ftp.getReplyString();
> ftp.disconnect();
> throw new IOException(
> "FTP server refused connection. Status: " +
> ftpStatus);
> }
> ftp.login(user, password);
> reply = ftp.getReplyCode();
> if (!FTPReply.isPositiveCompletion(reply)) {
> final String ftpStatus = ftp.getReplyString();
> ftp.disconnect();
> throw new IOException(
> "FTP server refused username/password. Status: " +
> ftpStatus);
> }
> String[] list = ftp.listNames();
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