Examples with JSchException com.jcraft.jsch.JSchException used on opensource projects

Example 36 with JSchException

use of com.jcraft.jsch.JSchException in project voltdb by VoltDB.

the class SFTPSession method pipeListToShellCommand.

/**
     * Executes the given command with the given list as its input
     *
     * @param list input
     * @param command command to execute on remote host
     * @return the output of the command as a list
     * @throws {@link SSHException} when an error occurs during SSH
     *   command performed by this method
     */
public List<String> pipeListToShellCommand(final Collection<String> list, final String command) {
    Preconditions.checkArgument(command != null && !command.trim().isEmpty(), "specified empty or null command string");
    Preconditions.checkState(m_channel != null, "stale session");
    ChannelExec e = null;
    BufferedReader sherr = null;
    BufferedReader shout = null;
    List<String> shellout = new ArrayList<String>();
    try {
        try {
            e = (ChannelExec) m_channel.getSession().openChannel("exec");
        } catch (JSchException jex) {
            throw new SSHException("opening ssh exec channel", jex);
        }
        try {
            shout = new BufferedReader(new InputStreamReader(e.getInputStream(), Charsets.UTF_8));
        } catch (IOException ioex) {
            throw new SSHException("geting exec channel input stream", ioex);
        }
        try {
            sherr = new BufferedReader(new InputStreamReader(e.getErrStream(), Charsets.UTF_8));
        } catch (IOException ioex) {
            throw new SSHException("getting exec channel error stream", ioex);
        }
        if (list != null && !list.isEmpty()) {
            e.setInputStream(listAsInputStream(list));
        }
        e.setCommand(command);
        try {
            e.connect(5000);
            int retries = 50;
            while (!e.isClosed() && retries-- > 0) {
                try {
                    Thread.sleep(100);
                } catch (InterruptedException ignoreIt) {
                }
            }
            if (retries < 0) {
                throw new SSHException("'" + command + "' timed out");
            }
        } catch (JSchException jex) {
            throw new SSHException("executing '" + command + "'", jex);
        }
        try {
            String outputLine = shout.readLine();
            while (outputLine != null) {
                shellout.add(outputLine);
                outputLine = shout.readLine();
            }
        } catch (IOException ioex) {
            throw new SSHException("capturing '" + command + "' output", ioex);
        }
        if (e.getExitStatus() != 0) {
            try {
                String errorLine = sherr.readLine();
                while (errorLine != null) {
                    shellout.add(errorLine);
                    errorLine = sherr.readLine();
                }
            } catch (IOException ioex) {
                throw new SSHException("capturing '" + command + "' error", ioex);
            }
            throw new SSHException("error output from '" + command + "':\n\t" + join(shellout, "\n\t"));
        }
        if (m_log.isDebugEnabled()) {
            m_log.debug("SSH: " + command);
        }
    } finally {
        if (sherr != null)
            try {
                sherr.close();
            } catch (Exception ignoreIt) {
            }
        if (shout != null)
            try {
                shout.close();
            } catch (Exception ignoreIt) {
            }
    }
    return shellout;
}

Example 37 with JSchException

use of com.jcraft.jsch.JSchException in project bamboobsc by billchen198318.

the class SFtpClientUtils method put.

/**
	 * 本地檔案放到遠端SFTP上
	 * 	
	 * @param user
	 * @param password
	 * @param addr
	 * @param port
	 * @param localFile
	 * @param remoteFile
	 * @throws JSchException
	 * @throws SftpException
	 * @throws Exception
	 */
public static void put(String user, String password, String addr, int port, List<String> localFile, List<String> remoteFile) throws JSchException, SftpException, Exception {
    Session session = getSession(user, password, addr, port);
    Channel channel = session.openChannel("sftp");
    channel.connect();
    ChannelSftp sftpChannel = (ChannelSftp) channel;
    try {
        for (int i = 0; i < localFile.size(); i++) {
            String rf = remoteFile.get(i);
            String lf = localFile.get(i);
            logger.info("put local file: " + lf + " write to " + addr + " :" + rf);
            sftpChannel.put(lf, rf);
            logger.info("success write to " + addr + " :" + rf);
        }
    } catch (Exception e) {
        e.printStackTrace();
        throw e;
    } finally {
        sftpChannel.exit();
        channel.disconnect();
        session.disconnect();
    }
}

Example 38 with JSchException

use of com.jcraft.jsch.JSchException in project bamboobsc by billchen198318.

the class SFtpClientUtils method get.

/**
	 * 抓遠端檔案然後存到本機 , 單筆
	 * 
	 * @param user
	 * @param password
	 * @param addr
	 * @param port
	 * @param remoteFile
	 * @param localFile
	 * @throws JSchException
	 * @throws SftpException
	 * @throws Exception
	 */
public static void get(String user, String password, String addr, int port, String remoteFile, String localFile) throws JSchException, SftpException, Exception {
    Session session = getSession(user, password, addr, port);
    Channel channel = session.openChannel("sftp");
    channel.connect();
    ChannelSftp sftpChannel = (ChannelSftp) channel;
    logger.info("get remote file: " + remoteFile + " write to:" + localFile);
    try {
        sftpChannel.get(remoteFile, localFile);
    } catch (Exception e) {
        e.printStackTrace();
        throw e;
    } finally {
        sftpChannel.exit();
        channel.disconnect();
        session.disconnect();
    }
    File f = new File(localFile);
    if (!f.exists()) {
        f = null;
        logger.error("get remote file:" + remoteFile + " fail!");
        throw new Exception("get remote file:" + remoteFile + " fail!");
    }
    f = null;
    logger.info("success write:" + localFile);
}

Example 39 with JSchException

use of com.jcraft.jsch.JSchException in project bamboobsc by billchen198318.

the class SFtpClientUtils method getRemoteFileList.

@SuppressWarnings("unchecked")
public static Vector<LsEntry> getRemoteFileList(String user, String password, String addr, int port, String cwd) throws JSchException, SftpException, Exception {
    Session session = getSession(user, password, addr, port);
    Vector<LsEntry> lsVec = null;
    Channel channel = session.openChannel("sftp");
    channel.connect();
    ChannelSftp sftpChannel = (ChannelSftp) channel;
    try {
        //sftpChannel.lpwd()
        lsVec = (Vector<LsEntry>) sftpChannel.ls(cwd);
    } catch (Exception e) {
        e.printStackTrace();
        throw e;
    } finally {
        sftpChannel.exit();
        channel.disconnect();
        session.disconnect();
    }
    return lsVec;
}

Example 40 with JSchException

use of com.jcraft.jsch.JSchException in project cdap by caskdata.

the class SFTPInputStream method close.

public synchronized void close() throws IOException {
    if (closed) {
        return;
    }
    super.close();
    closed = true;
    if (!channel.isConnected()) {
        throw new IOException(E_CLIENT_NOTCONNECTED);
    }
    try {
        Session session = channel.getSession();
        channel.disconnect();
        session.disconnect();
    } catch (JSchException e) {
        throw new IOException(StringUtils.stringifyException(e));
    }
}