NullPointerException after connect() in FTPClient
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Key: NET-247
URL: https://issues.apache.org/jira/browse/NET-247
Project: Commons Net
Issue Type: Bug
Affects Versions: 2.0
Environment: Linux lucymobile 2.6.28-3-generic #4-Ubuntu SMP Fri Dec
12 22:48:15 UTC 2008 i686 GNU/Linux
Netbeans IDE 6.5
java version "1.6.0_0"
IcedTea6 1.4 (6b14-0ubuntu4) Runtime Environment (build 1.6.0_0-b14)
OpenJDK Server VM (build 14.0-b08, mixed mode)
Reporter: oliver zemann
ftpClient = new FtpClient();
ftpClient.connect("ftp.mozilla.org", Integer.parseInt(textPort.getText()));
System.out.print(ftpClient.getReplyString()); //returns null
System.out.print(ftpClient.getReplyCode()); //returns 0
ftpClient.login("anonymous", "[email protected]"); //NullPointerException
when i use these values in lftp i get:
o...@lucymobile:~$ lftp
lftp :~> open ftp.mozilla.org
lftp ftp.mozilla.org:~> USER anonymous [email protected]
lftp [email protected]:~> ls
-rw-r--r-- 1 ftp ftp 528 Nov 01 2007 README
-rw-r--r-- 1 ftp ftp 560 Sep 28 2007 index.html
drwxr-xr-x 33 ftp ftp 4096 Aug 12 04:00 pub
/* same happens when i try with my application to connect to localhost
(vsftpd):
Sun Dec 28 11:44:32 2008 [pid 12840] CONNECT: Client "127.0.0.1"
then it stops logging because the application returns the exception */
the complete output of the application:
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:471)
at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:534)
at wicked.FtpClient.user(FtpClient.java:74)
at wicked.FtpClient.login(FtpClient.java:58)
at
wicked.MainWindow.buttonTestFTPServerActionPerformed(MainWindow.java:887)
at wicked.MainWindow.access$1300(MainWindow.java:35)
at wicked.MainWindow$14.actionPerformed(MainWindow.java:417)
at
javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2012)
at
javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2335)
at
javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:404)
at
javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at
javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:253)
at java.awt.Component.processMouseEvent(Component.java:6108)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3276)
at java.awt.Component.processEvent(Component.java:5873)
at java.awt.Container.processEvent(Container.java:2105)
at java.awt.Component.dispatchEventImpl(Component.java:4469)
at java.awt.Container.dispatchEventImpl(Container.java:2163)
at java.awt.Component.dispatchEvent(Component.java:4295)
at
java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4461)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4125)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4055)
at java.awt.Container.dispatchEventImpl(Container.java:2149)
at java.awt.Window.dispatchEventImpl(Window.java:2478)
at java.awt.Component.dispatchEvent(Component.java:4295)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:604)
at
java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275)
at
java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200)
at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:185)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:177)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:138)
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