How to upload to FTP server in Java? -


i have following method upload_files ftp server, not receiving errors yet file not appearing on server after run. problem?

public static void upload_files(string un, string pw, string ip, string dir, string fn){     ftpclient client = new ftpclient();     fileinputstream fis = null;      try {         client.connect(ip);         client.login(un, pw);          string filename = dir+"/"+fn;         fis = new fileinputstream(filename);          client.storefile(filename, fis);         client.logout();     } catch (ioexception e) {         e.printstacktrace();     } {         try {             if (fis != null) {                 fis.close();             }             client.disconnect();             system.out.println("uploaded");         } catch (ioexception e) {             e.printstacktrace();         }     } }

there number of possible issues. assumption using ftpclient 3.x apache commons-net. if using else, should indicate in question. ideas:

  • check reply status of connection make sure connecting expected. there's example on how in javadoc.

  • your filename variable path local file want send. same path want use storing file on server (relative ftp login root)? might be, isn't. if not, first parameter client.storefile(...) needs changed.

  • most ftp servers provide ability log actions. able access yours? if so, makes clear going wrong.


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