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

Example 56 with SftpException

use of com.jcraft.jsch.SftpException in project incubator-gobblin by apache.

the class SftpFsHelper method getFileSize.

@Override
public long getFileSize(String filePath) throws FileBasedHelperException {
    try {
        ChannelSftp channelSftp = getSftpChannel();
        long fileSize = channelSftp.lstat(filePath).getSize();
        channelSftp.disconnect();
        return fileSize;
    } catch (SftpException e) {
        throw new FileBasedHelperException(String.format("Failed to get size for file at path %s due to error %s", filePath, e.getMessage()), e);
    }
}

Example 57 with SftpException

use of com.jcraft.jsch.SftpException in project incubator-gobblin by apache.

the class SftpFsHelper method getExecChannel.

/**
 * Create a new sftp channel to execute commands.
 *
 * @param command to execute on the remote machine
 * @return a new execution channel
 * @throws SftpException if a channel could not be opened
 */
public ChannelExec getExecChannel(String command) throws SftpException {
    ChannelExec channelExec;
    try {
        channelExec = (ChannelExec) this.session.openChannel("exec");
        channelExec.setCommand(command);
        channelExec.connect();
        return channelExec;
    } catch (JSchException e) {
        throw new SftpException(0, "Cannot open a channel to SFTP server", e);
    }
}

Example 58 with SftpException

use of com.jcraft.jsch.SftpException in project incubator-gobblin by apache.

the class SftpFsHelper method getSftpChannel.

/**
 * Create new channel every time a command needs to be executed. This is required to support execution of multiple
 * commands in parallel. All created channels are cleaned up when the session is closed.
 *
 * @return a new {@link ChannelSftp}
 * @throws SftpException
 */
public ChannelSftp getSftpChannel() throws SftpException {
    try {
        ChannelSftp channelSftp = (ChannelSftp) this.session.openChannel("sftp");
        // In millsec
        int connTimeout = state.getPropAsInt(SFTP_CONNECTION_TIMEOUT_KEY, DEFAULT_SFTP_CONNECTION_TIMEOUT);
        channelSftp.connect(connTimeout);
        return channelSftp;
    } catch (JSchException e) {
        throw new SftpException(0, "Cannot open a channel to SFTP server", e);
    }
}

Example 59 with SftpException

use of com.jcraft.jsch.SftpException in project incubator-gobblin by apache.

the class SftpLightWeightFileSystem method mkdirs.

@Override
public boolean mkdirs(Path path, FsPermission permission) throws IOException {
    ChannelSftp channel = null;
    try {
        channel = this.fsHelper.getSftpChannel();
        channel.mkdir(HadoopUtils.toUriPath(path));
        channel.chmod(permission.toShort(), HadoopUtils.toUriPath(path));
    } catch (SftpException e) {
        throw new IOException(e);
    } finally {
        safeDisconnect(channel);
    }
    return true;
}

Example 60 with SftpException

use of com.jcraft.jsch.SftpException in project hadoop by apache.

the class SFTPFileSystem method listStatus.

/**
   * Convenience method, so that we don't open a new connection when using this
   * method from within another method. Otherwise every API invocation incurs
   * the overhead of opening/closing a TCP connection.
   */
@SuppressWarnings("unchecked")
private FileStatus[] listStatus(ChannelSftp client, Path file) throws IOException {
    Path workDir;
    try {
        workDir = new Path(client.pwd());
    } catch (SftpException e) {
        throw new IOException(e);
    }
    Path absolute = makeAbsolute(workDir, file);
    FileStatus fileStat = getFileStatus(client, absolute);
    if (!fileStat.isDirectory()) {
        return new FileStatus[] { fileStat };
    }
    Vector<LsEntry> sftpFiles;
    try {
        sftpFiles = (Vector<LsEntry>) client.ls(absolute.toUri().getPath());
    } catch (SftpException e) {
        throw new IOException(e);
    }
    ArrayList<FileStatus> fileStats = new ArrayList<FileStatus>();
    for (int i = 0; i < sftpFiles.size(); i++) {
        LsEntry entry = sftpFiles.get(i);
        String fname = entry.getFilename();
        // skip current and parent directory, ie. "." and ".."
        if (!".".equalsIgnoreCase(fname) && !"..".equalsIgnoreCase(fname)) {
            fileStats.add(getFileStatus(client, entry, absolute));
        }
    }
    return fileStats.toArray(new FileStatus[fileStats.size()]);
}