Examples with InvalidMagicNumberException org.apache.hadoop.hdfs.protocol.datatransfer.sasl.InvalidMagicNumberException used on opensource projects

Example 1 with InvalidMagicNumberException

use of org.apache.hadoop.hdfs.protocol.datatransfer.sasl.InvalidMagicNumberException in project hadoop by apache.

the class DataXceiver method run.

/**
   * Read/write data from/to the DataXceiverServer.
   */
@Override
public void run() {
    int opsProcessed = 0;
    Op op = null;
    try {
        synchronized (this) {
            xceiver = Thread.currentThread();
        }
        dataXceiverServer.addPeer(peer, Thread.currentThread(), this);
        peer.setWriteTimeout(datanode.getDnConf().socketWriteTimeout);
        InputStream input = socketIn;
        try {
            IOStreamPair saslStreams = datanode.saslServer.receive(peer, socketOut, socketIn, datanode.getXferAddress().getPort(), datanode.getDatanodeId());
            input = new BufferedInputStream(saslStreams.in, smallBufferSize);
            socketOut = saslStreams.out;
        } catch (InvalidMagicNumberException imne) {
            if (imne.isHandshake4Encryption()) {
                LOG.info("Failed to read expected encryption handshake from client " + "at " + peer.getRemoteAddressString() + ". Perhaps the client " + "is running an older version of Hadoop which does not support " + "encryption");
            } else {
                LOG.info("Failed to read expected SASL data transfer protection " + "handshake from client at " + peer.getRemoteAddressString() + ". Perhaps the client is running an older version of Hadoop " + "which does not support SASL data transfer protection");
            }
            return;
        }
        super.initialize(new DataInputStream(input));
        // Setting keepalive timeout to 0 disable this behavior.
        do {
            updateCurrentThreadName("Waiting for operation #" + (opsProcessed + 1));
            try {
                if (opsProcessed != 0) {
                    assert dnConf.socketKeepaliveTimeout > 0;
                    peer.setReadTimeout(dnConf.socketKeepaliveTimeout);
                } else {
                    peer.setReadTimeout(dnConf.socketTimeout);
                }
                op = readOp();
            } catch (InterruptedIOException ignored) {
                // Time out while we wait for client rpc
                break;
            } catch (EOFException | ClosedChannelException e) {
                // Since we optimistically expect the next op, it's quite normal to
                // get EOF here.
                LOG.debug("Cached {} closing after {} ops.  " + "This message is usually benign.", peer, opsProcessed);
                break;
            } catch (IOException err) {
                incrDatanodeNetworkErrors();
                throw err;
            }
            // restore normal timeout
            if (opsProcessed != 0) {
                peer.setReadTimeout(dnConf.socketTimeout);
            }
            opStartTime = monotonicNow();
            processOp(op);
            ++opsProcessed;
        } while ((peer != null) && (!peer.isClosed() && dnConf.socketKeepaliveTimeout > 0));
    } catch (Throwable t) {
        String s = datanode.getDisplayName() + ":DataXceiver error processing " + ((op == null) ? "unknown" : op.name()) + " operation " + " src: " + remoteAddress + " dst: " + localAddress;
        if (op == Op.WRITE_BLOCK && t instanceof ReplicaAlreadyExistsException) {
            // at the same time.
            if (LOG.isTraceEnabled()) {
                LOG.trace(s, t);
            } else {
                LOG.info(s + "; " + t);
            }
        } else if (op == Op.READ_BLOCK && t instanceof SocketTimeoutException) {
            String s1 = "Likely the client has stopped reading, disconnecting it";
            s1 += " (" + s + ")";
            if (LOG.isTraceEnabled()) {
                LOG.trace(s1, t);
            } else {
                LOG.info(s1 + "; " + t);
            }
        } else if (t instanceof InvalidToken) {
            // checkAccess() method and this is not a server error.
            if (LOG.isTraceEnabled()) {
                LOG.trace(s, t);
            }
        } else {
            LOG.error(s, t);
        }
    } finally {
        collectThreadLocalStates();
        if (LOG.isDebugEnabled()) {
            LOG.debug(datanode.getDisplayName() + ":Number of active connections is: " + datanode.getXceiverCount());
        }
        updateCurrentThreadName("Cleaning up");
        if (peer != null) {
            dataXceiverServer.closePeer(peer);
            IOUtils.closeStream(in);
        }
    }
}