@Override
  protected Object invokeUnderTrace(MethodInvocation invocation, Log logger) throws Throwable {

    // MDCにメソッド呼び出し情報をセットする。
    String beforeClassName = MDC.get(MDC_CLASS_NAME);
    String beforeMethodName = MDC.get(MDC_METHOD_NAME);
    MDC.put(MDC_CLASS_NAME, getClassForLogging(invocation.getThis()).getName());
    MDC.put(MDC_METHOD_NAME, invocation.getMethod().getName());

    try {
      return super.invokeUnderTrace(invocation, logger);

    } finally {
      // MDCのメソッド呼び出し情報を元に戻す。
      if (beforeClassName == null) {
        MDC.remove(MDC_CLASS_NAME);
      } else {
        MDC.put(MDC_CLASS_NAME, beforeClassName);
      }
      if (beforeMethodName == null) {
        MDC.remove(MDC_METHOD_NAME);
      } else {
        MDC.put(MDC_METHOD_NAME, beforeMethodName);
      }
    }
  }
  @AfterClass
  protected void tearDownClass() {
    MDC.remove("id");
    MDC.remove("test");

    LOG.info("===[ {} ]==============================[END  ]===", clasz.getSimpleName());
    MDC.remove("test-class");
  }
 /** @see wicket.RequestCycle#onEndRequest() */
 @SuppressWarnings("nls")
 @Override
 protected void onEndRequest() {
   J2DBGlobals.setServiceProvider(null);
   WebClientSession webClientSession = (WebClientSession) getSession();
   WebClient webClient = webClientSession.getWebClient();
   if (webClient != null) {
     try {
       webClient.onEndRequest(webClientSession);
     } finally {
       MDC.remove("clientid");
       MDC.remove("solution");
     }
   }
 }
  @Override
  public void service(final HttpServletRequest request, final HttpServletResponse response)
      throws ServletException, IOException {
    assert request != null;
    assert response != null;

    // Log the request URI+URL muck
    String uri = request.getRequestURI();
    if (request.getQueryString() != null) {
      uri = String.format("%s?%s", uri, request.getQueryString());
    }

    if (log.isDebugEnabled()) {
      log.debug(
          "Processing: {} {} ({}) [{}]",
          $(request.getMethod(), uri, request.getRequestURL(), request.getHeader(HUDSON_HEADER)));
    }

    MDC.put(getClass().getName(), uri);
    try {
      super.service(request, response);
    } finally {
      MDC.remove(getClass().getName());
    }

    // Include the version details of the api + model
    response.addHeader(HUDSON_HEADER, String.format("api=%s", getApiVersion()));
  }
示例#5
0
文件: CDC.java 项目: jstarek/dcache
 /**
  * Wrapper around <code>MDC.put</code> and <code>MDC.remove</code>. <code>value</code> is allowed
  * to e null.
  */
 private static void setMdc(String key, String value) {
   if (value != null) {
     MDC.put(key, value);
   } else {
     MDC.remove(key);
   }
 }
示例#6
0
文件: CDC.java 项目: jstarek/dcache
 /**
  * Setup the cell diagnostic context of the calling thread. Threads created from the calling
  * thread automatically inherit this information. The old diagnostic context is captured and
  * returned.
  */
 public static CDC reset(String cellName, String domainName) {
   CDC cdc = new CDC();
   setMdc(MDC_CELL, cellName);
   setMdc(MDC_DOMAIN, domainName);
   MDC.remove(MDC_SESSION);
   NDC.clear();
   return cdc;
 }
 // TODO MISSING JAVADOC
 @AroundInvoke
 public Object call(final InvocationContext invocationContext) throws Exception {
   final String id = MDC.get(TRANSACTION_ID);
   if (id != null) {
     return invocationContext.proceed();
   }
   MDC.put(TRANSACTION_ID, Long.toHexString(RANDOM.nextLong()));
   try {
     return invocationContext.proceed();
   } finally {
     MDC.remove(TRANSACTION_ID);
   }
 }
示例#8
0
  @Override
  public <R, E extends Throwable> R doRetryable(
      final IRetryableTask<R, E> task, final IRetryStrategy strategy)
      throws RetryerException, InterruptedException {
    checkArgument(task != null, "task can't be null");
    checkArgument(strategy != null, "strategy can't be null");
    int tryNo = 0;
    final List<Throwable> reasons = Lists.newArrayList();
    MDC.put("task", task.toString());
    try {
      while (true) {
        try {
          log.debug("try #{}...", tryNo);
          if (Thread.interrupted()) {
            throw new InterruptedException("Interrupted on " + tryNo + " try");
          }
          return task.execute(tryNo);
        } catch (InterruptedException e) {
          log.debug("try #{} interrupted: {}", tryNo, e.getMessage());
          throw e;
        } catch (final Throwable reason) {
          log.debug("try #{} failed: {}", tryNo, reason.getMessage());

          reasons.add(reason);

          // cleanup
          if (task.isFatalReason(tryNo, reason)) {
            throw new RetryerException(reasons);
          }

          final RetryInfo retryInfo = strategy.shouldRetry(tryNo, reason);

          if (retryInfo.shouldFail()) {
            throw new RetryerException(reasons);
          } else {
            final long delay = retryInfo.delay();
            if (delay > 0) {
              log.debug("retry after {} ms", delay);
              Thread.sleep(delay);
            } else {
              log.debug("retry now");
            }
          }
        } finally {
          tryNo++;
        }
      }
    } finally {
      MDC.remove("task");
    }
  }
  @Before
  public void before() throws Exception {
    lc = new LoggerContext();
    JoranConfigurator configurator = new JoranConfigurator();
    configurator.setContext(lc);

    URL xmlConfigFile = getClass().getResource("/logback-gelf-with-dynamic-originhost.xml");

    configurator.doConfigure(xmlConfigFile);

    GelfTestSender.getMessages().clear();

    MDC.remove("mdcField1");
  }
示例#10
0
 void clearMDC() {
   MDC.remove(ClassicConstants.REQUEST_REMOTE_HOST_MDC_KEY);
   MDC.remove(ClassicConstants.REQUEST_REQUEST_URI);
   MDC.remove(ClassicConstants.REQUEST_QUERY_STRING);
   // removing possibly inexistent item is OK
   MDC.remove(ClassicConstants.REQUEST_REQUEST_URL);
   MDC.remove(ClassicConstants.REQUEST_USER_AGENT_MDC_KEY);
   MDC.remove(ClassicConstants.REQUEST_X_FORWARDED_FOR);
 }
  @Override
  public void doFilter(
      ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
      throws IOException, ServletException {
    String sessionId = ((HttpServletRequest) servletRequest).getSession().getId();
    String url = ((HttpServletRequest) servletRequest).getRequestURI();
    String httpMethod = ((HttpServletRequest) servletRequest).getMethod();
    String ip = servletRequest.getRemoteAddr();

    try {
      MDC.put(SESSION_ID, sessionId);
      MDC.put(URL, url);
      MDC.put(HTTP_METHOD, httpMethod);
      MDC.put(IP, ip);
      Logger.info("one request started before filter");
      filterChain.doFilter(servletRequest, servletResponse);
      Logger.info("one request finished after filter");
    } finally {
      MDC.remove(SESSION_ID);
      MDC.remove(URL);
      MDC.remove(HTTP_METHOD);
      MDC.remove(IP);
    }
  }
  public void commit(boolean ignoreTimeout) {
    TransactionID txId = currentTransactionIdThreadLocal.get();
    if (txId == null) {
      throw new TransactionException("no transaction started");
    }

    TransactionContext currentTx = contextMap.get(txId);

    try {
      currentTx.commit(ignoreTimeout);
    } finally {
      contextMap.remove(txId);
      currentTransactionIdThreadLocal.remove();
      MDC.remove(MDC_KEY);
    }
  }
  public void rollback() {
    TransactionID txId = currentTransactionIdThreadLocal.get();
    if (txId == null) {
      throw new TransactionException("no transaction started");
    }

    TransactionContext currentTx = contextMap.get(txId);

    try {
      currentTx.rollback();
    } finally {
      contextMap.remove(txId);
      currentTransactionIdThreadLocal.remove();
      MDC.remove(MDC_KEY);
    }
  }
  /**
   * {@inheritDoc}
   *
   * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse,
   *     javax.servlet.FilterChain)
   */
  @Override
  public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
      throws ServletException, IOException {
    HttpServletRequest httpRequest = (HttpServletRequest) request;

    String transaction = httpRequest.getHeader(headerName);
    if (transaction == null || transaction.length() == 0) {
      transaction = ANONYMOUS;
    }

    MDC.put(mdcKey, transaction);

    try {
      chain.doFilter(request, response);
    } finally {
      MDC.remove(mdcKey);
    }
  }
示例#15
0
 /*
  * (non-Javadoc)
  * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse,
  * javax.servlet.FilterChain)
  */
 @Override
 public void doFilter(
     final ServletRequest request, final ServletResponse response, final FilterChain chain)
     throws IOException, ServletException {
   try {
     final SecurityContext context = SecurityContextHolder.getContext();
     String uid = null;
     if (context != null) {
       final Authentication authentication = context.getAuthentication();
       if (authentication != null) {
         uid = context.getAuthentication().getName();
       }
     }
     MDC.put(identifiert, uid == null ? NOT_KNOWN : uid);
     chain.doFilter(request, response);
   } finally {
     MDC.remove(identifiert);
   }
 }
  /**
   * {@inheritDoc}
   *
   * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse,
   *     javax.servlet.FilterChain)
   */
  @Override
  public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
      throws ServletException, IOException {
    HttpServletRequest httpRequest = (HttpServletRequest) request;

    String username = ANONYMOUS;
    Principal principal = httpRequest.getUserPrincipal();
    if (principal != null && principal.getName().length() > 0) {
      username = principal.getName();
    }

    MDC.put(mdcKey, username);

    try {
      chain.doFilter(request, response);
    } finally {
      MDC.remove(mdcKey);
    }
  }
示例#17
0
 /** Clears information put on the MDC by this {@link MDCUnitOfWork} */
 public void clear() {
   if (this.originalBreadcrumbId != null) {
     MDC.put(MDC_BREADCRUMB_ID, originalBreadcrumbId);
   } else {
     MDC.remove(MDC_BREADCRUMB_ID);
   }
   if (this.originalExchangeId != null) {
     MDC.put(MDC_EXCHANGE_ID, originalExchangeId);
   } else {
     MDC.remove(MDC_EXCHANGE_ID);
   }
   if (this.originalMessageId != null) {
     MDC.put(MDC_MESSAGE_ID, originalMessageId);
   } else {
     MDC.remove(MDC_MESSAGE_ID);
   }
   if (this.originalCorrelationId != null) {
     MDC.put(MDC_CORRELATION_ID, originalCorrelationId);
   } else {
     MDC.remove(MDC_CORRELATION_ID);
   }
   if (this.originalRouteId != null) {
     MDC.put(MDC_ROUTE_ID, originalRouteId);
   } else {
     MDC.remove(MDC_ROUTE_ID);
   }
   if (this.originalCamelContextId != null) {
     MDC.put(MDC_CAMEL_CONTEXT_ID, originalCamelContextId);
   } else {
     MDC.remove(MDC_CAMEL_CONTEXT_ID);
   }
   if (this.originalTransactionKey != null) {
     MDC.put(MDC_TRANSACTION_KEY, originalTransactionKey);
   } else {
     MDC.remove(MDC_TRANSACTION_KEY);
   }
 }
 @AfterMethod
 protected void tearDownMDC() {
   MDC.remove("id");
   MDC.remove("test");
 }
示例#19
0
 @Override
 public void requestDestroyed(ServletRequestEvent sre) {
   // application, host and instance don't have to be removed, because they stay the same for all
   // threads
   MDC.remove("requestId");
 }
示例#20
0
 protected void tearDown() throws Exception {
   logger.info("Completed test case {}", getName());
   MDC.remove("testcase");
   MDC.remove("testclass");
   super.tearDown();
 }
示例#21
0
 protected void cleanupMDC() {
   MDC.remove(QueryBase.MDC_QUERY);
   MDC.remove(QueryBase.MDC_PARAMETERS);
 }
示例#22
0
 @Override
 public void endTransactedBy(Object key) {
   MDC.remove(MDC_TRANSACTION_KEY);
   super.endTransactedBy(key);
 }
示例#23
0
文件: CDC.java 项目: jstarek/dcache
 /**
  * Clears the diagnostic context entries added by <code>setMessageContext</code>. For this to
  * work, the NDC has to be in the same state as when <code>setMessageContext</code> returned.
  *
  * @see setMessageContext
  */
 public static void clearMessageContext() {
   MDC.remove(MDC_SESSION);
   NDC.pop();
 }
  @GET
  @Path("/location/{deviceId}")
  /*
   * @PreAuthorize( "hasRole('mobileAppUser')")
   */
  @Produces(MediaType.APPLICATION_JSON)
  public Response getClientsByMAC(@PathParam("deviceId") String deviceId) {
    MDC.put(MDCKeys.DEVICE_ID, deviceId);
    MobileAppStats.getInstance().incrementLocationRequestsCount();
    LOGGER.trace("Request to retrieve client current location for device ID '{}'", deviceId);

    WirelessClient macClientLocation =
        mobileServerCacheService.getWirelessClientByUniqueID(deviceId);
    if (macClientLocation == null) {
      // Forbidden better than File Not Found - it doesn't leak
      // information
      LOGGER.trace("Unable to determine client MAC address from device ID '{}'", deviceId);
      MDC.remove(MDCKeys.DEVICE_ID);
      return Response.status(Response.Status.UNAUTHORIZED).build();
    }
    JSONObject clientObject = new JSONObject();
    try {
      clientObject.accumulate("deviceId", macClientLocation.getUniqueID());
      clientObject.accumulate(
          "lastLocationUpdateTime", macClientLocation.getLastLocationUpdateTime());
      clientObject.accumulate("venueId", macClientLocation.getVenueUdId());
      clientObject.accumulate("floorId", macClientLocation.getFloorId());
      try {
        if (!macClientLocation.getZoneId().isEmpty()) {
          clientObject.accumulate("zoneId", macClientLocation.getZoneId());
          clientObject.accumulate("zoneName", macClientLocation.getZoneName());
          clientObject.accumulate("zonePoints", macClientLocation.getZonePoints());
        }
      } catch (Exception ex) {
        LOGGER.error(
            "Error during zone object creation for device ID '{}'",
            deviceId,
            ex.getLocalizedMessage());
      }
      JSONObject locationObject = new JSONObject();
      locationObject.accumulate("x", macClientLocation.getX());
      locationObject.accumulate("y", macClientLocation.getY());
      clientObject.accumulate("mapCoordinate", locationObject);

      JSONObject geoCoordinateObject = new JSONObject();
      geoCoordinateObject.accumulate("latitude", macClientLocation.getLatitude());
      geoCoordinateObject.accumulate("longitude", macClientLocation.getLongitude());
      clientObject.accumulate("geoCoordinate", geoCoordinateObject);

      LOGGER.trace(
          "Completed setting current location for device ID '{}' with MAC Address '{}'",
          deviceId,
          macClientLocation.getMacAddress());
    } catch (Exception e) {
      LOGGER.error(
          "Error during location object creation for device ID '{}'",
          deviceId,
          e.getLocalizedMessage());
    }
    LOGGER.trace("Returning JSON object with device ID '{}' : {}", deviceId, clientObject);
    MDC.remove(MDCKeys.DEVICE_ID);
    if (macClientLocation.getFloorId() == null
        || macClientLocation.getFloorId().length() <= 0
        || macClientLocation.getVenueUdId() == null
        || macClientLocation.getVenueUdId().length() <= 0) {
      return Response.status(Response.Status.NOT_FOUND).entity(clientObject).build();
    }
    return Response.status(Response.Status.OK).entity(clientObject).build();
  }
 @Override
 public void filter(ContainerRequestContext requestContext) throws IOException {
   String nonce = requestContext.getHeaderString(HEADER_NONCE);
   String identity = requestContext.getHeaderString(HEADER_IDENTITY);
   try {
     if (StringUtils.isNotEmpty(identity)) {
       MDC.put(MDC_IDENTITY, identity);
     }
     String timestampStr = requestContext.getHeaderString(HEADER_TIMESTAMP);
     String signature = requestContext.getHeaderString(HEADER_SIGNATURE);
     if (!ValidationUtils.notEmpty(nonce, identity, timestampStr, signature)) {
       logUnauthorizedAccess(
           "Unauthorized request (missing any of nonce, identify, timestamp, signature)",
           requestContext);
       throw new AccessUnauthorizedException();
     }
     URI requestUri = requestContext.getUriInfo().getRequestUri();
     StringBuilder path = new StringBuilder(requestUri.getPath());
     if (requestUri.getRawQuery() != null) {
       path.append('?').append(requestUri.getRawQuery());
     }
     RESTRequestSigner restRequestSigner =
         new RESTRequestSigner(
             requestContext.getMethod(), path.toString(), nonce, timestampStr, identity);
     ByteArrayOutputStream content = new ByteArrayOutputStream();
     InputStream is = requestContext.getEntityStream();
     IOUtils.copy(
         is,
         contentMaxSize != null
             ? new BoundedOutputStream(content, contentMaxSize, true)
             : content);
     byte[] contentData = content.toByteArray();
     restRequestSigner.setContent(contentData);
     try {
       Date timestamp = TimeUtils.parseISOUTCDateTime(timestampStr);
       if (timestamp.after(new Date(System.currentTimeMillis() + expiry))) {
         String message = "Unauthorized request (expired timestamp): " + timestampStr;
         logUnauthorizedAccess(message, requestContext);
         throw new AccessUnauthorizedException(message);
       }
       if (replayAttackValidator.checkNonceReplay(nonce)) {
         String message = "Unauthorized request (duplicated nonce): " + nonce;
         logUnauthorizedAccess(message, requestContext);
         throw new AccessUnauthorizedException();
       }
       requestContext.setEntityStream(new ByteArrayInputStream(contentData));
       Principal principal = findUserPrincipal(identity);
       if (principal == null) {
         logUnauthorizedAccess(
             "Unauthorized request (principal not found): " + identity, requestContext);
         throw new AccessUnauthorizedException();
       }
       if (!verifySignature(
           principal, restRequestSigner.getDataToSign(), signature, requestContext)) {
         logUnauthorizedAccess(
             "Unauthorized request (invalid signature): " + restRequestSigner.toString(),
             requestContext);
         throw new AccessUnauthorizedException();
       }
       updateAuthenticatedContext(requestContext, principal);
     } catch (ParseException e) {
       logBadRequest("Invalid timestamp: " + timestampStr, e, requestContext);
       throw new WebApplicationException(BAD_REQUEST);
     }
   } finally {
     try {
       MDC.remove(MDC_IDENTITY);
     } catch (IllegalArgumentException e) {
       //
     }
   }
 }
示例#26
0
 private void logLocationEntry(LogLocationEntry lle) throws JsonProcessingException {
   MDC.put(LOGFILENAME, lle.getUserId());
   userLogger.info(om.writeValueAsString(lle));
   MDC.remove(LOGFILENAME);
 }
示例#27
0
 @AfterClass
 public static void tearDown() {
   HTTPSCalls.close();
   MDC.remove("logFileName");
 }
示例#28
0
文件: CDC.java 项目: jstarek/dcache
 /** Clears all cells related MDC entries and the NDC. */
 public static void clear() {
   MDC.remove(MDC_DOMAIN);
   MDC.remove(MDC_CELL);
   MDC.remove(MDC_SESSION);
   NDC.clear();
 }
示例#29
0
 @Override
 public RouteContext popRouteContext() {
   MDC.remove(MDC_ROUTE_ID);
   return super.popRouteContext();
 }
示例#30
0
  public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
    logger.info("message receives in session handler...");
    ChannelBuffer buffer = (ChannelBuffer) e.getMessage();
    Packet packet = Packet.parseFrom(buffer.readBytes(buffer.readableBytes()).array());
    ClientIdentity clientIdentity = null;
    try {
      switch (packet.getType()) {
        case SUBSCRIPTION:
          Sub sub = Sub.parseFrom(packet.getBody());
          if (StringUtils.isNotEmpty(sub.getDestination())
              && StringUtils.isNotEmpty(sub.getClientId())) {
            clientIdentity =
                new ClientIdentity(
                    sub.getDestination(), Short.valueOf(sub.getClientId()), sub.getFilter());
            MDC.put("destination", clientIdentity.getDestination());
            embededServer.subscribe(clientIdentity);

            // 尝试启动,如果已经启动,忽略
            if (!embededServer.isStart(clientIdentity.getDestination())) {
              ServerRunningMonitor runningMonitor =
                  ServerRunningMonitors.getRunningMonitor(clientIdentity.getDestination());
              if (!runningMonitor.isStart()) {
                runningMonitor.start();
              }
            }

            ctx.setAttachment(clientIdentity); // 设置状态数据
            NettyUtils.ack(ctx.getChannel(), null);
          } else {
            NettyUtils.error(
                401,
                MessageFormatter.format("destination or clientId is null", sub.toString())
                    .getMessage(),
                ctx.getChannel(),
                null);
          }
          break;
        case UNSUBSCRIPTION:
          Unsub unsub = Unsub.parseFrom(packet.getBody());
          if (StringUtils.isNotEmpty(unsub.getDestination())
              && StringUtils.isNotEmpty(unsub.getClientId())) {
            clientIdentity =
                new ClientIdentity(
                    unsub.getDestination(), Short.valueOf(unsub.getClientId()), unsub.getFilter());
            MDC.put("destination", clientIdentity.getDestination());
            embededServer.unsubscribe(clientIdentity);
            stopCanalInstanceIfNecessary(clientIdentity); // 尝试关闭
            NettyUtils.ack(ctx.getChannel(), null);
          } else {
            NettyUtils.error(
                401,
                MessageFormatter.format("destination or clientId is null", unsub.toString())
                    .getMessage(),
                ctx.getChannel(),
                null);
          }
          break;
        case GET:
          Get get = CanalPacket.Get.parseFrom(packet.getBody());
          if (StringUtils.isNotEmpty(get.getDestination())
              && StringUtils.isNotEmpty(get.getClientId())) {
            clientIdentity =
                new ClientIdentity(get.getDestination(), Short.valueOf(get.getClientId()));
            MDC.put("destination", clientIdentity.getDestination());
            Message message = embededServer.getWithoutAck(clientIdentity, get.getFetchSize());

            Packet.Builder packetBuilder = CanalPacket.Packet.newBuilder();
            packetBuilder.setType(PacketType.MESSAGES);

            Messages.Builder messageBuilder = CanalPacket.Messages.newBuilder();
            messageBuilder.setBatchId(message.getId());
            if (message.getId() != -1 && !CollectionUtils.isEmpty(message.getEntries())) {
              for (Entry entry : message.getEntries()) {
                messageBuilder.addMessages(entry.toByteString());
              }
            }
            packetBuilder.setBody(messageBuilder.build().toByteString());
            NettyUtils.write(ctx.getChannel(), packetBuilder.build().toByteArray(), null); // 输出数据
          } else {
            NettyUtils.error(
                401,
                MessageFormatter.format("destination or clientId is null", get.toString())
                    .getMessage(),
                ctx.getChannel(),
                null);
          }
          break;
        case CLIENTACK:
          ClientAck ack = CanalPacket.ClientAck.parseFrom(packet.getBody());
          MDC.put("destination", ack.getDestination());
          if (StringUtils.isNotEmpty(ack.getDestination())
              && StringUtils.isNotEmpty(ack.getClientId())) {
            if (ack.getBatchId() == 0L) {
              NettyUtils.error(
                  402,
                  MessageFormatter.format("batchId should assign value", ack.toString())
                      .getMessage(),
                  ctx.getChannel(),
                  null);
            } else if (ack.getBatchId() == -1L) { // -1代表上一次get没有数据,直接忽略之
              // donothing
            } else {
              clientIdentity =
                  new ClientIdentity(ack.getDestination(), Short.valueOf(ack.getClientId()));
              embededServer.ack(clientIdentity, ack.getBatchId());
            }
          } else {
            NettyUtils.error(
                401,
                MessageFormatter.format("destination or clientId is null", ack.toString())
                    .getMessage(),
                ctx.getChannel(),
                null);
          }
          break;
        case CLIENTROLLBACK:
          ClientRollback rollback = CanalPacket.ClientRollback.parseFrom(packet.getBody());
          MDC.put("destination", rollback.getDestination());
          if (StringUtils.isNotEmpty(rollback.getDestination())
              && StringUtils.isNotEmpty(rollback.getClientId())) {
            clientIdentity =
                new ClientIdentity(
                    rollback.getDestination(), Short.valueOf(rollback.getClientId()));
            if (rollback.getBatchId() == 0L) {
              embededServer.rollback(clientIdentity); // 回滚所有批次
            } else {
              embededServer.rollback(clientIdentity, rollback.getBatchId()); // 只回滚单个批次
            }
          } else {
            NettyUtils.error(
                401,
                MessageFormatter.format("destination or clientId is null", rollback.toString())
                    .getMessage(),
                ctx.getChannel(),
                null);
          }
          break;
        default:
          NettyUtils.error(
              400,
              MessageFormatter.format("packet type={} is NOT supported!", packet.getType())
                  .getMessage(),
              ctx.getChannel(),
              null);
          break;
      }
    } catch (Throwable exception) {
      NettyUtils.error(
          400,
          MessageFormatter.format(
                  "something goes wrong with channel:{}, exception={}",
                  ctx.getChannel(),
                  ExceptionUtils.getStackTrace(exception))
              .getMessage(),
          ctx.getChannel(),
          null);
    } finally {
      MDC.remove("destination");
    }
  }