java.lang.NullPointerException

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  • FTPClient problem
    via by 807553,
  • FTP Client Problem
    via by Peter Phung,
    • java.lang.NullPointerException at sun.net.TransferProtocolClient.sendServer(TransferProtocolClient.java:99) at sun.net.ftp.FtpClient.issueCommand(FtpClient.java:160) at sun.net.ftp.FtpClient.openDataConnection(FtpClient.java:218) at sun.net.ftp.FtpClient.get(FtpClient.java:315) at archivetool.FTPClientDialog.getFile(FTPClientDialog.java:579) at archivetool.FTPClientDialog.access$100(FTPClientDialog.java:22) at archivetool.FTPClientDialog$3.run(FTPClientDialog.java:202)
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