jsch

How to connect to an FTP server from an existing connection to Unix server?

五迷三道 提交于 2019-12-03 21:53:38
Currently I am using Reflection for Unix and OpenVMS . I connect to a Unix server. Once connected, I establish a new FTP connection to the target server. Here is how the console window look like: login: xxx Password : xxx // Now I'm connected to UNIX // Next I am connecting to that FTP ftpLogin@hostName :/whatever/.../ $ ftp someftp.example.com Conencted Name: myLogin Password: XXX Login OK I tried to replicate the same steps programmatically, but got confused with this "double connection" thing. I was able to connect to Unix only, but then I don't know how to proceed. JSch jsch = new JSch();

Finding file size and last modified of SFTP oldest file using Java

笑着哭i 提交于 2019-12-03 18:14:09
问题 I'm using JSch to get files from an SFTP server, but I'm trying to figure out a way to only get the oldest file, and to make sure that it is not currently being written to. The way I imagine myself doing this is first finding which file in the specified remote folder is oldest. I would then check the file size, wait x seconds (probably about 10, just to be safe) and then check it again. If the file size has not changed, I download the file and process it. However, I have no idea how to do

Keypair login to EC2 instance with JSch

有些话、适合烂在心里 提交于 2019-12-03 18:03:36
问题 I want to be able to use the JSch Java SSH library to connect to my EC2 instance. How do I use my .pem keypair from AWS with JSch? How do I deal with the UnknownHostKey error when attempting to connect? 回答1: The groovy code will use the JSch library to connect to an EC2 instance, run the whoami and hostname commands, then print the results to the console: @Grab(group='com.jcraft', module='jsch', version='0.1.49') import com.jcraft.jsch.* JSch jsch=new JSch(); jsch.addIdentity("/your path to

How can I access an FTP server with JSch?

谁都会走 提交于 2019-12-03 12:55:37
I installed FileZilla FTP Server on my local Windows 7 machine. I also installed FileZilla FTP client on the same machine. Connection is successfull between both of them confirming the server and client partnership exists. I wrote a small quick and dirtry Jsch program for connecting to the FileZilla FTP server and below is the program: public class TestJSch { /** Creates a new instance of TestCommonsNet */ public TestJSch() { } /** * main - Unit test program * * @param args * Command line arguments * */ public static void main(String[] args) { try { String ftpHost = "127.0.0.1"; int ftpPort =

SFTP via JSch is throwing error 4: Failure

故事扮演 提交于 2019-12-03 11:49:16
I am facing a peculiar issue while trying to SFTP a file from Windows to Unix server. The error "stack trace" is - 4: Failure at com.jcraft.jsch.ChannelSftp.throwStatusError(ChannelSftp.java:2846) at com.jcraft.jsch.ChannelSftp.checkStatus(ChannelSftp.java:2459) at com.jcraft.jsch.ChannelSftp._sendCLOSE(ChannelSftp.java:2465) at com.jcraft.jsch.ChannelSftp._put(ChannelSftp.java:683) at com.jcraft.jsch.ChannelSftp.put(ChannelSftp.java:475) at com.jcraft.jsch.ChannelSftp.put(ChannelSftp.java:365) I have searched a lot on other forums but could not get to the root cause. I have observed one more

Java SFTP upload using JSch, but how to overwrite the current file?

时光毁灭记忆、已成空白 提交于 2019-12-03 11:19:26
问题 I am trying to upload two files to a server with SFTP using JSch. It works fine to upload the files if the directory is empty but I want to upload the same file over and over (just changing an id inside) but I can't figure out how to do this. There is some static parameter in JSch called OVERWRITE but I can't find out how to use it. Anyone care to show me how I should add this setting? This is my current code: public void upload() { try { JSch jsch = new JSch(); session = jsch.getSession

Permission denied using JSch

匿名 (未验证) 提交于 2019-12-03 08:56:10
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I'm trying to retrieve some files from sftp server using JSch but I'm getting the following error. 3: Permission denied at com.jcraft.jsch.ChannelSftp.throwStatusError(ChannelSftp.java:2846) at com.jcraft.jsch.ChannelSftp._realpath(ChannelSftp.java:2340) at com.jcraft.jsch.ChannelSftp.cd(ChannelSftp.java:342) at com.company.common.sftp.impl.managedFile.moveFiles(managedFile.java:712) Here is the code: private List<String> moveFiles(String prefixFileName, String path) { Session session = getSession(); Channel channel = connect(session);

JSchException: Algorithm negotiation fail

匿名 (未验证) 提交于 2019-12-03 08:46:08
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I am trying to connect to remote sftp server over ssh with JSch (0.1.44-1) but during "session.connect();" I am getting this exception: com.jcraft.jsch.JSchException: Algorithm negotiation fail at com.jcraft.jsch.Session.receive_kexinit(Session.java:529) at com.jcraft.jsch.Session.connect(Session.java:291) at com.jcraft.jsch.Session.connect(Session.java:154) ... Logs from JSch: INFO: Connecting to xx.xx.xx.xxport 22 INFO: Connection established INFO: Remote version string: SSH-2.0-WeOnlyDo 2.0.6 INFO: Local version string: SSH-2.0-JSCH-0.1

How to run and display the result of a shell command ssh with JSch?

浪子不回头ぞ 提交于 2019-12-03 08:37:54
I try to use the library JSch - Java Secure Channel make an ssh connection in my Android app, it works. Now I would like to execute a command and retrieve the result. I tried several methods that works best is this. However, this method works only in part, because for some reason I can not explain, my program stops at the end of my while loop, yet I'm the result of the command that appears in my log. Here is my code : public static String executeRemoteCommand(String username, String password, String hostname, int port) throws Exception { JSch jsch = new JSch(); Session session = jsch

Retrieving data from an SFTP server using JSch

≡放荡痞女 提交于 2019-12-03 08:12:43
I am using JSch for retrieving a file from a remote machine by SFTP. Here is the code public class TestSFTPinJava { public static void main(String args[]) { JSch jsch = new JSch(); Session session = null; try { session = jsch.getSession("username", "sftp.abc.com", 22); session.setConfig("StrictHostKeyChecking", "no"); session.setPassword("password"); session.connect(); Channel channel = session.openChannel("sftp"); channel.connect(); ChannelSftp sftpChannel = (ChannelSftp) channel; System.out.println("Directory:" + sftpChannel.pwd()); sftpChannel.cd("remoteDirectory/"); System.out.println(