properties文件仍然有错误 log4j:WARN Failed to set property [filter] to value "org.apache.log4j.varia.LevelRangeFilter". log4j:ERROR Could not instantiate class [FATAL]. 后来我在国外论坛上找到了答案 The PropertyConfigurator does not handle the advanced configuration
Default Initialization Procedure The log4j library does not make any assumptions about its environment. In particular, there are no default log4j appenders. Under certain well-defined circumstances however, the static inializer of the Logger class wi