org.apache.logging.log4j.Logger.error()方法的使用及代码示例

x33g5p2x  于2022-01-23 转载在 其他  
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本文整理了Java中org.apache.logging.log4j.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.apache.logging.log4j.Logger
类名称：Logger
方法名：error

Logger.error介绍

[英]Logs a message CharSequence with the Level#ERROR level.
[中]记录级别为#错误级别的消息字符序列。

代码示例

代码示例来源：origin: floragunncom/search-guard

@Override
public void success(String type, Tuple<Long, Settings> settings) {
  if(latch.getCount() <= 0) {
    log.error("Latch already counted down (for {} of {})  (index={})", type, Arrays.toString(events), searchguardIndex);
  }
  
  rs.put(type, settings);
  latch.countDown();
  if(log.isDebugEnabled()) {
    log.debug("Received config for {} (of {}) with current latch value={}", type, Arrays.toString(events), latch.getCount());
  }
}

代码示例来源：origin: medcl/elasticsearch-analysis-ik

private List<String> walkFileTree(List<String> files, Path path) {
  if (Files.isRegularFile(path)) {
    files.add(path.toString());
  } else if (Files.isDirectory(path)) try {
    Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
      @Override
      public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
        files.add(file.toString());
        return FileVisitResult.CONTINUE;
      }
      @Override
      public FileVisitResult visitFileFailed(Path file, IOException e) {
        logger.error("[Ext Loading] listing files", e);
        return FileVisitResult.CONTINUE;
      }
    });
  } catch (IOException e) {
    logger.error("[Ext Loading] listing files", e);
  } else {
    logger.warn("[Ext Loading] file not found: " + path);
  }
  return files;
}

代码示例来源：origin: blynkkk/blynk-server

public boolean deleteUser(UserKey userKey) {
    int removed = 0;

    try (Connection connection = ds.getConnection();
       PreparedStatement ps = connection.prepareStatement(deleteUser)) {

      ps.setString(1, userKey.email);
      ps.setString(2, userKey.appName);

      removed = ps.executeUpdate();

      connection.commit();
    } catch (Exception e) {
      log.error("Error removing user {} from DB.", userKey, e);
    }

    return removed > 0;
  }
}

代码示例来源：origin: apache/geode

@Override
public void close(boolean keepAlive) {
 if (logger.isDebugEnabled()) {
  logger.debug("Shutting down connection manager with keepAlive {}", keepAlive);
   if (!this.loadConditioningProcessor.awaitTermination(PoolImpl.SHUTDOWN_TIMEOUT,
     TimeUnit.MILLISECONDS)) {
    logger.warn("Timeout waiting for load conditioning tasks to complete");
  logger.error("Error stopping loadConditioningProcessor", e);
 } catch (InterruptedException e) {
  logger.error(
    "Interrupted stopping loadConditioningProcessor",
    e);

代码示例来源：origin: org.apache.logging.log4j/log4j-core

public static void main(final String[] args) {
  try (final LoggerContext ctx = Configurator.initialize(ConsoleAppenderAnsiMessagesMain.class.getName(),
      "target/test-classes/log4j2-console-highlight-logback.xml")) {
    LOG.fatal("Fatal message.");
    LOG.error("Error message.");
    LOG.warn("Warning message.");
    LOG.info("Information message.");
    LOG.debug("Debug message.");
    LOG.trace("Trace message.");
    LOG.error("Error message.", new IOException("test"));
  }
}

代码示例来源：origin: DSpace/DSpace

statement = connection.prepareStatement(sequenceSQL);
    statement.setString(1, sequenceName);
    if (schemaFilter) {
      statement.setString(2, schema);
  log.error("Error attempting to determine if sequence " + sequenceName + " exists", e);
} finally {
  try {
      statement.close();

代码示例来源：origin: blynkkk/blynk-server

public FullHttpResponse invoke(Object[] params) {
  try {
    mark();
    return (FullHttpResponse) classMethod.invoke(handler, params);
  } catch (Exception e) {
    Throwable cause = e.getCause();
    if (cause == null) {
      log.error("Error invoking handler. Reason : {}.", e.getMessage());
      log.debug(e);
    } else {
      log.error("Error invoking handler. Reason : {}.", cause.getMessage());
      log.debug(cause);
    }
    return Response.serverError(e.getMessage());
  }
}

代码示例来源：origin: blynkkk/blynk-server

public String selectHostByToken(String token) {
  try (Connection connection = ds.getConnection();
     PreparedStatement statement = connection.prepareStatement(selectHostByToken)) {
    statement.setString(1, token);
    try (ResultSet rs = statement.executeQuery()) {
      connection.commit();
      if (rs.next()) {
        return rs.getString("host");
      }
    }
  } catch (Exception e) {
    log.error("Error getting token host. Reason : {}", e.getMessage());
  }
  return null;
}

代码示例来源：origin: apache/geode

@Override
public void onDisconnect(InternalDistributedSystem sys) {
 if (logger.isDebugEnabled()) {
  this.logger.debug("Calling AdminDistributedSystemJmxImpl#onDisconnect");
     this.mbeanName, notificationSequenceNumber.addAndGet(1), null));
  } catch (MBeanException e) {
   logger.warn(e.getMessage(), e);
  logger.warn(e.getMessage(), e);
  throw e;
 } catch (VirtualMachineError err) {
  logger.error(e.getMessage(), e);
  throw e;
 if (logger.isDebugEnabled()) {
  this.logger.debug("Completed AdminDistributedSystemJmxImpl#onDisconnect");

代码示例来源：origin: org.apache.logging.log4j/log4j-core

public static void main(final String[] args) {
  System.setProperty("log4j.skipJansi", "false"); // LOG4J2-2087: explicitly enable
  try (final LoggerContext ctx = Configurator.initialize(ConsoleAppenderAnsiMessagesMain.class.getName(),
      "target/test-classes/log4j2-console-highlight.xml")) {
    LOG.fatal("Fatal message.");
    LOG.error("Error message.");
    LOG.warn("Warning message.");
    LOG.info("Information message.");
    LOG.debug("Debug message.");
    LOG.trace("Trace message.");
    LOG.error("Error message.", new IOException("test"));
  }
}

代码示例来源：origin: floragunncom/search-guard

@Override
public void success(String id, Tuple<Long, Settings> settings) {
  if(latch.getCount() <= 0) {
    log.error("Latch already counted down (for {} of {})  (index={})", id, Arrays.toString(events), searchguardIndex);
  }
  
  rs.put(id, settings);
  latch.countDown();
  if(log.isDebugEnabled()) {
    log.debug("Received config for {} (of {}) with current latch value={}", id, Arrays.toString(events), latch.getCount());
  }
}

代码示例来源：origin: blynkkk/blynk-server

private static void logError(String errorMessage, String email) {
  if (errorMessage != null) {
    if (errorMessage.contains("Status is a duplicate")) {
      log.warn("Duplicate twit status for user {}.", email);
    } else if (errorMessage.contains("Authentication credentials")) {
      log.warn("Tweet authentication failure for {}.", email);
    } else if (errorMessage.contains("The request is understood, but it has been refused.")) {
      log.warn("User twit account is banned by twitter. {}.", email);
    } else {
      log.error("Error sending twit for user {}. Reason : {}", email, errorMessage);
    }
  }
}

代码示例来源：origin: blynkkk/blynk-server

protected void processEventorAndWebhook(User user, DashBoard dash, int deviceId, Session session, short pin,
                    PinType pinType, String value, long now) {
  try {
    eventorProcessor.process(user, session, dash, deviceId, pin, pinType, value, now);
    webhookProcessor.process(session, dash, deviceId, pin, pinType, value, now);
  } catch (QuotaLimitException qle) {
    log.debug("User {} reached notification limit for eventor/webhook.", user.name);
  } catch (IllegalArgumentException iae) {
    log.debug("Error processing webhook for {}. Reason : {}", user.email, iae.getMessage());
  } catch (Exception e) {
    log.error("Error processing eventor/webhook.", e);
  }
}

代码示例来源：origin: blynkkk/blynk-server

public boolean insertTokenHost(String token, String host, String email, int dashId, int deviceId) {
  try (Connection connection = ds.getConnection();
     PreparedStatement ps = connection.prepareStatement(insertTokenHostProject)) {
    ps.setString(1, token);
    ps.setString(2, host);
    ps.setString(3, email);
    ps.setInt(4, dashId);
    ps.setInt(5, deviceId);
    ps.executeUpdate();
    connection.commit();
    return true;
  } catch (Exception e) {
    log.error("Error insert token host. Reason : {}", e.getMessage());
  }
  return false;
}

代码示例来源：origin: apache/geode

@Override
public void disconnect() {
 try {
  super.disconnect();
  // Save existing StatAlert Definitions
  saveAlertDefinitionsAsSerializedObjects();
  /* Remove Cache Listener to listen to Cache & Region create/destroy events */
  if (logger.isDebugEnabled()) {
   logger.debug("Removing CacheAndRegionListener .... ");
  }
  removeCacheListener(cacheRegionListener);
 } catch (RuntimeException e) {
  logger.warn(e.getMessage(), e);
  throw e;
 } catch (VirtualMachineError err) {
  SystemFailure.initiateFailure(err);
  // If this ever returns, re-throw the error. We're poisoned
  // now, so don't let this thread continue.
  throw err;
 } catch (Error e) {
  // Whenever you catch Error or Throwable, you must also
  // catch VirtualMachineError (see above). However, there is
  // _still_ a possibility that you are dealing with a cascading
  // error condition, so you also need to check to see if the JVM
  // is still usable:
  SystemFailure.checkFailure();
  logger.error(e.getMessage(), e);
  throw e;
 }
}

代码示例来源：origin: org.apache.logging.log4j/log4j-core

public static void main(final String[] args) {
  System.setProperty("log4j.skipJansi", "false"); // LOG4J2-2087: explicitly enable
  try (final LoggerContext ctx = Configurator.initialize(ConsoleAppenderAnsiMessagesMain.class.getName(),
      "target/test-classes/log4j2-console.xml")) {
    LOG.fatal("\u001b[1;35mFatal message.\u001b[0m");
    LOG.error("\u001b[1;31mError message.\u001b[0m");
    LOG.warn("\u001b[0;33mWarning message.\u001b[0m");
    LOG.info("\u001b[0;32mInformation message.\u001b[0m");
    LOG.debug("\u001b[0;36mDebug message.\u001b[0m");
    LOG.trace("\u001b[0;30mTrace message.\u001b[0m");
    LOG.error("\u001b[1;31mError message.\u001b[0m", new IOException("test"));
  }
}

代码示例来源：origin: apache/geode

private Function newFunction(final Class<Function> clazz, final boolean errorOnNoSuchMethod) {
 try {
  final Constructor<Function> constructor = clazz.getConstructor();
  return constructor.newInstance();
 } catch (NoSuchMethodException nsmex) {
  if (errorOnNoSuchMethod) {
   logger.error("Zero-arg constructor is required, but not found for class: {}",
     clazz.getName(), nsmex);
  } else {
   if (logger.isDebugEnabled()) {
    logger.debug(
      "Not registering function because it doesn't have a zero-arg constructor: {}",
      clazz.getName());
   }
  }
 } catch (Exception ex) {
  logger.error("Error when attempting constructor for function for class: {}", clazz.getName(),
    ex);
 }
 return null;
}

代码示例来源：origin: blynkkk/blynk-server

private void addZipEntryAndWrite(ZipOutputStream zipStream,
                  String onePinFileName, byte[] onePinDataCsv) throws IOException {
  ZipEntry zipEntry = new ZipEntry(onePinFileName);
  try {
    zipStream.putNextEntry(zipEntry);
    zipStream.write(onePinDataCsv);
    zipStream.closeEntry();
  } catch (ZipException zipException) {
    String message = zipException.getMessage();
    if (message != null && message.contains("duplicate")) {
      log.warn("Duplicate zip entry {}. Wrong report configuration.", onePinFileName);
    } else {
      log.error("Error compressing report file.", message);
      throw zipException;
    }
  } catch (IOException e) {
    log.error("Error compressing report file.", e.getMessage());
    throw e;
  }
}

代码示例来源：origin: blynkkk/blynk-server

public static DashBoard deepCopy(DashBoard dash) {
  if (dash == null) {
    return null;
  }
  try {
    TokenBuffer tb = new TokenBuffer(JsonParser.MAPPER, false);
    JsonParser.MAPPER.writeValue(tb, dash);
    return JsonParser.MAPPER.readValue(tb.asParser(), DashBoard.class);
  } catch (Exception e) {
    log.error("Error during deep copy of dashboard. Reason : {}", e.getMessage());
    log.debug(e);
  }
  return null;
}

代码示例来源：origin: blynkkk/blynk-server

public String getUserServerIp(String email, String appName) {
  String ip = null;
  try (Connection connection = ds.getConnection();
     PreparedStatement statement = connection.prepareStatement(selectIpForUser)) {
    statement.setString(1, email);
    statement.setString(2, appName);
    try (ResultSet rs = statement.executeQuery()) {
      while (rs.next()) {
        ip = rs.getString("ip");
      }
      connection.commit();
    }
  } catch (Exception e) {
    log.error("Error getting user server ip. {}-{}. Reason : {}", email, appName, e.getMessage());
  }
  return ip;
}

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