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在我的項目中，我使用了一些不同的記錄器，它們都有一個FileHandler和一個ConsoleHandler。我創建這些記錄器下面的類：ConsoleHandler將信息記錄到控制檯，儘管日誌級別是警告
public class Logging {
static {
System.setProperty("java.util.logging.config.file", "properties/logging.properties");
try {
LogManager.getLogManager().readConfiguration();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Method to create a new logger using java.util.logging.
* @param name The name of the logger.
* @param logLevelFile The log level for writing into the log file.
* @param logLevelConsole The log level for writing on the console.
* @param logToFile True, if file logging shall be active.
* @param logToConsole True, if console logging shall be active.
* @return The new logger instance.
*/
public static Logger createLogger(String name, Level logLevelFile, Level logLevelConsole, boolean logToFile, boolean logToConsole) {
Logger logger = Logger.getLogger(name);
logger.setLevel(Level.ALL);
logger.setUseParentHandlers(false);
if (logToFile) {
final Handler fileHandler;
try {
fileHandler = new FileHandler("log/" + name + ".log");
fileHandler.setLevel(logLevelFile);
logger.addHandler(fileHandler);
// close file handler, so that *.lck files will be deleted by
// JVM
Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
@Override
public void run() {
fileHandler.close();
}
}));
} catch (SecurityException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
if (logToConsole) {
// remove existing console handlers
Handler[] handlers = logger.getHandlers();
for (Handler handler : handlers) {
if (handler.getClass() == ConsoleHandler.class)
logger.removeHandler(handler);
}
Handler consoleHandler = new ConsoleHandler();
consoleHandler.setLevel(logLevelConsole);
logger.addHandler(consoleHandler);
}
return logger;
}
}
正如你所看到的，每個記錄器獲取一個布爾，是否應該記錄到一個文件，併到控制檯。取決於可以設置哪個級別應該被記錄到控制檯或文件中。
我logging.properties看起來像：
handlers = java.util.logging.FileHandler, java.util.logging.ConsoleHandler
java.util.logging.ConsoleHandler.formatter = java.util.logging.SimpleFormatter
java.util.logging.FileHandler.formatter = java.util.logging.SimpleFormatter
java.util.logging.SimpleFormatter.format = [%1$td.%1$tm.%1$tY-%1$tH:%1$tM:%1$tS] [%2$s] %4$s: %5$s %n
# approximate amount of bytes to write to a log file, before rotating to a new file
java.util.logging.FileHandler.limit = 500000
# number of log files to use in the log file rotation
java.util.logging.FileHandler.count = 0
# whether or not the FileHandler should append to an existing file or not (true or false)
java.util.logging.FileHandler.append = false
我初始化我的伐木工人如下：
Logging.createLogger(Properties.getGeneralLoggerName(), Level.INFO, Level.INFO, true, true);
Logging.createLogger(Properties.getBluetoothLoggerName(), Level.INFO, Level.INFO, true, true);
Logging.createLogger(Properties.getStrategicProcessesLoggerName(), Level.INFO, Level.WARNING, true, true);
Logging.createLogger(Properties.getNetworkLoggerName(), Level.INFO, Level.WARNING, true, true);
Logging.createLogger(Properties.getGPIOLoggerName(), Level.INFO, Level.WARNING, true, true);
Logging.createLogger(Properties.getFatigueDetectionLoggerName(), Level.INFO, Level.WARNING, true, true);
Logging.createLogger(Properties.getGPSACCLoggerName(), Level.INFO, Level.WARNING, true, true);
的問題是，例如過去的記錄器不記錄僅顯示警告進控制檯，還有信息日誌。在我的Mac電腦上，這一切都正常，但是當我在嵌入式系統（帶有Ubuntu 14.04的Odroid U3）上使用此代碼時，它失敗了，控制檯輸出很大。不是將輸出記錄到文件中，而是將它們登錄到控制檯中。
有人可以幫忙嗎？
謝謝！