MDCLoggingTest.java 文件源码

private void setCustomLogger() {
    String PATTERN = "Modified Log *** ProcessDefinitionId=%X{mdcProcessDefinitionID} executionId=%X{mdcExecutionId} mdcProcessInstanceID=%X{mdcProcessInstanceID} mdcBusinessKey=%X{mdcBusinessKey} mdcTaskId=%X{mdcTaskId}  %m%n";
    console.setLayout(new PatternLayout(PATTERN));
    console.setThreshold(Level.DEBUG);
    console.activateOptions();
    console.setName("MemoryAppender");

    appenders = new ArrayList<Appender>();
    Enumeration<?> appendersEnum = Logger.getRootLogger().getAllAppenders();

    while (appendersEnum.hasMoreElements()) {
        Appender object = (Appender) appendersEnum.nextElement();
        appenders.add(object);
    }

    removeAppenders();

    Logger.getRootLogger().addAppender(console);
}