引用
log4j:WARN No appenders could be found for logger (org.apache.camel.impl.DefaultCamelContext).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
如果懒得再去弄一个Log4J配置文件的话,可以下面这样:
static { BasicConfigurator.configure(); Logger.getRootLogger().setLevel(Level.DEBUG); }
看一下BasicConfigurator.configure()的代码:
static public void configure() { Logger root = Logger.getRootLogger(); root.addAppender(new ConsoleAppender( new PatternLayout(PatternLayout.TTCC_CONVERSION_PATTERN))); }