Examples of org.apache.log4j.Logger.error()

org.apache.log4j.Logger.error()
Log a message with the ERROR level with message formatting done according to the messagePattern and the arguments arg1 and arg2.
This form avoids superflous parameter construction. Whenever possible, you should use this form instead of constructing the message parameter using string concatenation. @param messagePattern The message pattern which will be parsed and formatted @param arg1 The first argument to replace the first formatting element @param arg2 The second argument to replace the second formatting element @since 1.3

        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.connect();
        
        if (connection.getResponseCode() != 200) {
          logger.error("Error calling performing HttpGet: " + connection.getResponseCode());
            throw new Exception("Error calling webservice: " + connection.getResponseCode());
        }
        
        int contentLength = connection.getContentLength();
        InputStream is = connection.getInputStream();

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            if (count > 0) {
                logger.debug("Reading chunk: " + count);
            }
            totalread += is.read(response, totalread, contentLength - totalread);
            if (++count > 500) {
                logger.error("Aborting read after 500 tries");
                break;
            }
        }
        logger.debug(response);
        is.close();

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        logger.debug(request);
        out.write(request.getBytes());
        out.close();
        
        if (connection.getResponseCode() != 200) {
          logger.error(request);
          logger.error("Error calling webservice: " + connection.getResponseCode());
            throw new Exception("Error calling webservice: " + connection.getResponseCode());
        }
        
        int contentLength = connection.getContentLength();

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        out.write(request.getBytes());
        out.close();
        
        if (connection.getResponseCode() != 200) {
          logger.error(request);
          logger.error("Error calling webservice: " + connection.getResponseCode());
            throw new Exception("Error calling webservice: " + connection.getResponseCode());
        }
        
        int contentLength = connection.getContentLength();
        InputStream is = connection.getInputStream();

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            if (count > 0) {
                logger.debug("Reading chunk: " + count);
            }
            totalread += is.read(response, totalread, contentLength - totalread);
            if (++count > 500) {
                logger.error("Aborting read after 500 tries");
                break;
            }
        }
        logger.debug(response);
        is.close();

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        message.append(conditions).append(',');
        message.append(alertURL);


        switch (alert.getAlertDefinition().getPriority()){
            case HIGH:
                logger.error(message);
                break;
            case MEDIUM:
                logger.warn(message);
                break;
            case LOW:

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        System.out.println("totalMemory = " + runtime.totalMemory());


        BasicConfigurator.configure();
        Logger logger = Logger.getLogger(MemorySettingsTest.class);


        logger.error("maxMemory = " + runtime.maxMemory());


        logger.error("freeMemory = " + runtime.freeMemory());


        logger.error("totalMemory = " + runtime.totalMemory());
    }

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        BasicConfigurator.configure();
        Logger logger = Logger.getLogger(MemorySettingsTest.class);


        logger.error("maxMemory = " + runtime.maxMemory());


        logger.error("freeMemory = " + runtime.freeMemory());


        logger.error("totalMemory = " + runtime.totalMemory());
    }
}

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        logger.error("maxMemory = " + runtime.maxMemory());


        logger.error("freeMemory = " + runtime.freeMemory());


        logger.error("totalMemory = " + runtime.totalMemory());
    }
}

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      @Override
      public void lostLock(final LockLossReason reason) {
        try {
          tch.halt(Tracer.traceInfo(), null, null);
        } catch (Exception ex) {
          log.error(ex, ex);
          System.exit(1);
        }
      }
      
      @Override

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