sun.net.ftp错误 PORT 192,168,0,80,9,205: 550 Permission denied

sun.net.ftp异常 PORT 192,168,0,80,9,205: 550 Permission denied.

我使用sun.net.ftp来连接linux的vsftp时，出现如下的异常（在windows下是没有的）

?

java.io.FileNotFoundException: PORT 192,168,0,80,9,205: 550 Permission denied.

?

at sun.net.ftp.FtpClient.readReply(FtpClient.java:236)

at sun.net.ftp.FtpClient.issueCommand(FtpClient.java:193)

at sun.net.ftp.FtpClient.openDataConnection(FtpClient.java:434)

at sun.net.ftp.FtpClient.put(FtpClient.java:594)

at org.lab24.util.FtpTool.processfile(FtpTool.java:193)

at org.lab24.util.FtpTool.upload(FtpTool.java:116)

at org.lab24.spider.Spider.run(Spider.java:55)

at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:743)

at java.lang.Thread.run(Thread.java:619)

exception e in ftp upload(): java.io.FileNotFoundException: PORT 192,168,0,80,9,205: 550 Permission denied.

?

后来查过网上的解决方案，才知道：

该类默认使用的是Port模式传输数据，但实际上Linux配的是Pasv模式，所以传不过去，修改办法：

ftpclient.sendServer("quote PASV");