org.slf4j.Logger.error()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
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本文整理了Java中org.slf4j.Logger.error()方法的一些代码示例，展示了Logger.error()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Logger.error()方法的具体详情如下：
包路径：org.slf4j.Logger
类名称：Logger
方法名：error

Logger.error介绍

[英]Log a message at the ERROR level.
[中]在错误级别记录消息。

代码示例

代码示例来源：origin: iluwatar/java-design-patterns

  1. /**
  2.  * Stops logging clients. This is a blocking call.
  3.  */
  4. public void stop() {
  5.  service.shutdown();
  6.  if (!service.isTerminated()) {
  7.   service.shutdownNow();
  8.   try {
  9.    service.awaitTermination(1000, TimeUnit.SECONDS);
  10.   } catch (InterruptedException e) {
  11.    LOGGER.error("exception awaiting termination", e);
  12.   }
  13.  }
  14.  LOGGER.info("Logging clients stopped");
  15. }

代码示例来源：origin: ctripcorp/apollo

  1. @Override
  2. @SuppressWarnings("unchecked")
  3. public <T extends Provider> T provider(Class<T> clazz) {
  4.  Provider provider = m_providers.get(clazz);
  5.  if (provider != null) {
  6.   return (T) provider;
  7.  } else {
  8.   logger.error("No provider [{}] found in DefaultProviderManager, please make sure it is registered in DefaultProviderManager ",
  9.     clazz.getName());
  10.   return (T) NullProviderManager.provider;
  11.  }
  12. }

代码示例来源：origin: skylot/jadx

  1. public static void setClipboardString(String text) {
  2.     try {
  3.       Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
  4.       Transferable transferable = new StringSelection(text);
  5.       clipboard.setContents(transferable, null);
  6.       LOG.debug("String '{}' copied to clipboard", text);
  7.     } catch (Exception e) {
  8.       LOG.error("Failed copy string '{}' to clipboard", text, e);
  9.     }
  10.   }
  11. }

代码示例来源：origin: alibaba/canal

  1. private void notifyStart(File instanceDir, String destination, File[] instanceConfigs) {
  2.   try {
  3.     defaultAction.start(destination);
  4.     actions.put(destination, defaultAction);
  5.     // 启动成功后记录配置文件信息
  6.     InstanceConfigFiles lastFile = lastFiles.get(destination);
  7.     List<FileInfo> newFileInfo = new ArrayList<FileInfo>();
  8.     for (File instanceConfig : instanceConfigs) {
  9.       newFileInfo.add(new FileInfo(instanceConfig.getName(), instanceConfig.lastModified()));
  10.     }
  11.     lastFile.setInstanceFiles(newFileInfo);
  12.     logger.info("auto notify start {} successful.", destination);
  13.   } catch (Throwable e) {
  14.     logger.error(String.format("scan add found[%s] but start failed", destination), e);
  15.   }
  16. }

代码示例来源：origin: Netflix/eureka

  1. private List<String> toDomains(List<String> ec2Urls) {
  2.   List<String> domains = new ArrayList<>(ec2Urls.size());
  3.   for(String url : ec2Urls) {
  4.     try {
  5.       domains.add(extractDomain(url));
  6.     } catch(MalformedURLException e) {
  7.       logger.error("Invalid url {}", url, e);
  8.     }
  9.   }
  10.   return domains;
  11. }

代码示例来源：origin: ctripcorp/apollo

  1. private void handleEnvDown(Env env) {
  2.  int failedTimes = healthCheckFailedCounter.get(env);
  3.  healthCheckFailedCounter.put(env, ++failedTimes);
  4.  if (!envStatusMark.get(env)) {
  5.   logger.error("Env is down. env: {}, failed times: {}, meta server address: {}", env, failedTimes,
  6.          MetaDomainConsts.getDomain(env));
  7.  } else {
  8.   if (failedTimes >= ENV_DOWN_THRESHOLD) {
  9.    envStatusMark.put(env, false);
  10.    logger.error("Env is down because health check failed for {} times, "
  11.           + "which equals to down threshold. env: {}, meta server address: {}", ENV_DOWN_THRESHOLD, env,
  12.           MetaDomainConsts.getDomain(env));
  13.   } else {
  14.    logger.error(
  15.      "Env health check failed for {} times which less than down threshold. down threshold:{}, env: {}, meta server address: {}",
  16.      failedTimes, ENV_DOWN_THRESHOLD, env, MetaDomainConsts.getDomain(env));
  17.   }
  18.  }
  19. }

代码示例来源：origin: Graylog2/graylog2-server

  1. @Override
  2. public void onEvent(RawMessageEvent event, long sequence, boolean endOfBatch) throws Exception {
  3.   batch.add(event);
  4.     log.debug("End of batch, journalling {} messages", batch.size());
  5.       writeToJournal(converter, entries);
  6.     } catch (Exception e) {
  7.       log.error("Unable to write to journal - retrying", e);

代码示例来源：origin: alibaba/nacos

  1. static public List<String> checkMd5() {
  2.   List<String> diffList = new ArrayList<String>();
  3.   long startTime = System.currentTimeMillis();
  4.   for (Entry<String/* groupKey */, CacheItem> entry : CACHE.entrySet()) {
  5.     String groupKey = entry.getKey();
  6.     String[] dg = GroupKey.parseKey(groupKey);
  7.     String dataId = dg[0];
  8.     String group = dg[1];
  9.     String tenant = dg[2];
  10.     try {
  11.       String loacalMd5 = DiskUtil.getLocalConfigMd5(dataId, group, tenant);
  12.       if (!entry.getValue().md5.equals(loacalMd5)) {
  13.         defaultLog.warn("[md5-different] dataId:{},group:{}",
  14.           dataId, group);
  15.         diffList.add(groupKey);
  16.       }
  17.     } catch (IOException e) {
  18.       defaultLog.error("getLocalConfigMd5 fail,dataId:{},group:{}",
  19.         dataId, group);
  20.     }
  21.   }
  22.   long endTime = System.currentTimeMillis();
  23.   defaultLog.warn("checkMd5 cost:{}; diffCount:{}", endTime - startTime,
  24.     diffList.size());
  25.   return diffList;
  26. }

代码示例来源：origin: Netflix/eureka

  1. private List<AwsEndpoint> getClusterEndpointsFromConfig() {
  2.   String[] availZones = clientConfig.getAvailabilityZones(clientConfig.getRegion());
  3.   String myZone = InstanceInfo.getZone(availZones, myInstanceInfo);
  4.   Map<String, List<String>> serviceUrls = EndpointUtils
  5.       .getServiceUrlsMapFromConfig(clientConfig, myZone, clientConfig.shouldPreferSameZoneEureka());
  6.   List<AwsEndpoint> endpoints = new ArrayList<>();
  7.   for (String zone : serviceUrls.keySet()) {
  8.     for (String url : serviceUrls.get(zone)) {
  9.       try {
  10.         endpoints.add(new AwsEndpoint(url, getRegion(), zone));
  11.       } catch (Exception ignore) {
  12.         logger.warn("Invalid eureka server URI: {}; removing from the server pool", url);
  13.       }
  14.     }
  15.   }
  16.   logger.debug("Config resolved to {}", endpoints);
  17.   if (endpoints.isEmpty()) {
  18.     logger.error("Cannot resolve to any endpoints from provided configuration: {}", serviceUrls);
  19.   }
  20.   return endpoints;
  21. }

代码示例来源：origin: gocd/gocd

  1. private URL[] enumerateJar(URL urlOfJar) {
  2.   LOGGER.debug("Enumerating jar: {}", urlOfJar);
  3.   List<URL> urls = new ArrayList<>();
  4.   urls.add(urlOfJar);
  5.   try {
  6.     JarInputStream jarStream = new JarInputStream(urlOfJar.openStream());
  7.     JarEntry entry;
  8.     while ((entry = jarStream.getNextJarEntry()) != null) {
  9.       if (!entry.isDirectory() && entry.getName().endsWith(".jar")) {
  10.         urls.add(expandJarAndReturnURL(jarStream, entry));
  11.       }
  12.     }
  13.   } catch (IOException e) {
  14.     LOGGER.error("Failed to enumerate jar {}", urlOfJar, e);
  15.   }
  16.   return urls.toArray(new URL[0]);
  17. }

代码示例来源：origin: apache/flink

  1. @Override
  2.   public void log (int level, String category, String message, Throwable ex) {
  3.     final String logString = "[KRYO " + category + "] " + message;
  4.     switch (level) {
  5.       case Log.LEVEL_ERROR:
  6.         log.error(logString, ex);
  7.         break;
  8.       case Log.LEVEL_WARN:
  9.         log.warn(logString, ex);
  10.         break;
  11.       case Log.LEVEL_INFO:
  12.         log.info(logString, ex);
  13.         break;
  14.       case Log.LEVEL_DEBUG:
  15.         log.debug(logString, ex);
  16.         break;
  17.       case Log.LEVEL_TRACE:
  18.         log.trace(logString, ex);
  19.         break;
  20.     }
  21.   }
  22. }

代码示例来源：origin: Activiti/Activiti

  1. protected void logException() {
  2.   if (exception instanceof JobNotFoundException || exception instanceof ActivitiTaskAlreadyClaimedException) {
  3.     // reduce log level, because this may have been caused because of job deletion due to cancelActiviti="true"
  4.     log.info("Error while closing command context",
  5.          exception);
  6.   } else if (exception instanceof ActivitiOptimisticLockingException) {
  7.     // reduce log level, as normally we're not interested in logging this exception
  8.     log.debug("Optimistic locking exception : " + exception);
  9.   } else {
  10.     log.error("Error while closing command context",
  11.          exception);
  12.   }
  13. }

代码示例来源：origin: ch.qos.logback/logback-classic

  1. public void close() {
  2.   closed = true;
  3.   if (serverSocket != null) {
  4.     try {
  5.       serverSocket.close();
  6.     } catch (IOException e) {
  7.       logger.error("Failed to close serverSocket", e);
  8.     } finally {
  9.       serverSocket = null;
  10.     }
  11.   }
  12.   logger.info("closing this server");
  13.   synchronized (socketNodeList) {
  14.     for (SocketNode sn : socketNodeList) {
  15.       sn.close();
  16.     }
  17.   }
  18.   if (socketNodeList.size() != 0) {
  19.     logger.warn("Was expecting a 0-sized socketNodeList after server shutdown");
  20.   }
  21. }

代码示例来源：origin: skylot/jadx

  1. private static List<String> getZipFileList(File file) {
  2.   List<String> filesList = new ArrayList<>();
  3.   try (ZipFile zipFile = new ZipFile(file)) {
  4.     Enumeration<? extends ZipEntry> entries = zipFile.entries();
  5.     while (entries.hasMoreElements()) {
  6.       ZipEntry entry = entries.nextElement();
  7.       filesList.add(entry.getName());
  8.     }
  9.   } catch (Exception e) {
  10.     LOG.error("Error read zip file '{}'", file.getAbsolutePath(), e);
  11.   }
  12.   return filesList;
  13. }

代码示例来源：origin: alibaba/fescar

  1. @Override
  2. public void onCheckMessage(long msgId, ChannelHandlerContext ctx, ServerMessageSender sender) {
  3.   try {
  4.     sender.sendResponse(msgId, ctx.channel(), HeartbeatMessage.PONG);
  5.   } catch (Throwable throwable) {
  6.     LOGGER.error("", "send response error", throwable);
  7.   }
  8.   if (LOGGER.isDebugEnabled()) {
  9.     LOGGER.debug("received PING from " + ctx.channel().remoteAddress());
  10.   }
  11. }

代码示例来源：origin: alibaba/canal

  1. futures.add(groupInnerExecutorService.submit(() -> {
  2.   try {
  3.       batchSync(dmls, adapter);
  4.       if (logger.isDebugEnabled()) {
  5.         logger.debug("{} elapsed time: {}",
  6.           adapter.getClass().getName(),
  7.           (System.currentTimeMillis() - begin));
  8.     return true;
  9.   } catch (Exception e) {
  10.     logger.error(e.getMessage(), e);
  11.     return false;

代码示例来源：origin: skylot/jadx

  1. public void printReport() {
  2.     if (getErrorCount() > 0) {
  3.       LOG.error("{} errors occurred in following nodes:", getErrorCount());
  4.       List<String> errors = new ArrayList<>(errorNodes.size());
  5.       for (IAttributeNode node : errorNodes) {
  6.         String nodeName = node.getClass().getSimpleName().replace("Node", "");
  7.         errors.add(nodeName + ": " + node);
  8.       }
  9.       Collections.sort(errors);
  10.       for (String err : errors) {
  11.         LOG.error("  {}", err);
  12.       }
  13.     }
  14.     if (getWarnsCount() > 0) {
  15.       LOG.warn("{} warnings in {} nodes", getWarnsCount(), warnNodes.size());
  16.     }
  17.   }
  18. }

代码示例来源：origin: alibaba/canal

  1. private void notifyStop(String destination) {
  2.   InstanceAction action = actions.remove(destination);
  3.   try {
  4.     action.stop(destination);
  5.     lastFiles.remove(destination);
  6.     logger.info("auto notify stop {} successful.", destination);
  7.   } catch (Throwable e) {
  8.     logger.error(String.format("scan delete found[%s] but stop failed", destination), e);
  9.     actions.put(destination, action);// 再重新加回去，下一次scan时再执行删除
  10.   }
  11. }

代码示例来源：origin: alibaba/canal

  1. private void loadConnector(OuterAdapterConfig config, List<OuterAdapter> canalOutConnectors) {
  2.   try {
  3.     OuterAdapter adapter;
  4.     adapter = loader.getExtension(config.getName(), StringUtils.trimToEmpty(config.getKey()));
  5.     ClassLoader cl = Thread.currentThread().getContextClassLoader();
  6.     // 替换ClassLoader
  7.     Thread.currentThread().setContextClassLoader(adapter.getClass().getClassLoader());
  8.     adapter.init(config);
  9.     Thread.currentThread().setContextClassLoader(cl);
  10.     canalOutConnectors.add(adapter);
  11.     logger.info("Load canal adapter: {} succeed", config.getName());
  12.   } catch (Exception e) {
  13.     logger.error("Load canal adapter: {} failed", config.getName(), e);
  14.   }
  15. }

代码示例来源：origin: alibaba/canal

  1. private void notifyReload(String destination) {
  2.   InstanceAction action = actions.get(destination);
  3.   if (action != null) {
  4.     try {
  5.       action.reload(destination);
  6.       logger.info("auto notify reload {} successful.", destination);
  7.     } catch (Throwable e) {
  8.       logger.error(String.format("scan reload found[%s] but reload failed", destination), e);
  9.     }
  10.   }
  11. }

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