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Posted to issues@commons.apache.org by "Bogdan Drozdowski (JIRA)" <ji...@apache.org> on 2011/02/07 16:30:31 UTC
[jira] Commented: (NET-347) FTPClient.listFiles throw exception
when connect to an IPv6 FTP server
[ https://issues.apache.org/jira/browse/NET-347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12991410#comment-12991410 ]
Bogdan Drozdowski commented on NET-347:
---------------------------------------
Is this the code that isn't working? The given code tries to bind to the address of the server. The address to bind to must be one of the local addresses, not a remote address. If not using NAT, don't set the active external IP address or set it to :: (to force IPv6 addressing). If using a NAT, set it to the external address of the gateway.
> FTPClient.listFiles throw exception when connect to an IPv6 FTP server
> ----------------------------------------------------------------------
>
> Key: NET-347
> URL: https://issues.apache.org/jira/browse/NET-347
> Project: Commons Net
> Issue Type: Test
> Components: FTP
> Environment: jdk 1.6, commons-net-2.2.jar
> Reporter: jones wen
>
> If i setup the IPv6 FTP server on localhost, it is OK.
> If the IPv6 FTP server is on saloris 10(external host), FTPClient.listFiles() will throw below exception,
> java.net.BindException: Cannot assign requested address: JVM_Bind
> at java.net.PlainSocketImpl.socketBind(Native Method)
> at java.net.PlainSocketImpl.bind(Unknown Source)
> at java.net.ServerSocket.bind(Unknown Source)
> at java.net.ServerSocket.<init>(Unknown Source)
> at javax.net.DefaultServerSocketFactory.createServerSocket(Unknown Source)
> at org.apache.commons.net.ftp.FTPClient._openDataConnection_(FTPClient.java:515)
> at org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2545)
> at org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2519)
> at org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:2276)
> at org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:2322)
> at FtpTest.main(FtpTest.java:29)
> the test code is,
> FTPClient client = new FTPClient();
> try {
> client.connect(Inet6Address.getByName("2010::214:4fff:fe4d:2c4b"), 21);
> client.login("abc", "abc");
> client.enterLocalActiveMode();
> client.setActiveExternalIPAddress("2010::214:4fff:fe4d:2c4b");
>
> FTPFile[] list = client.listFiles();
> if(list != null && list.length > 0) {
> for(int i=0; i<list.length; i++) {
> System.out.println(list[i].getName());
> }
> }
> } catch (SocketException e) {
> e.printStackTrace();
> } catch (UnknownHostException e) {
> e.printStackTrace();
> } catch (IOException e) {
> e.printStackTrace();
> }
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