ERROR StatusLogger Log4j2 could not find a logging implementation. Please add log4j-core to the classpath. Using SimpleLogger to log to the console...

去以下地址下载个核心包加入到classpath内。

http://www.apache.org/dyn/closer.lua/logging/log4j

 

在配置日期文件输出位置时可以配置在WEB项目内，

 

Log4j configuration properties. The expressions ${log4j:configLocation} and ${log4j:configParentLocation} respectively provide the absolute path to the log4j configuration file and its parent folder.

 

The example below uses this lookup to place log files in a directory relative to the log4j configuration file.

from:http://logging.apache.org/log4j/2.x/manual/lookups.html 

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<File name="Application" fileName="${log4j:configParentLocation}/logs/application.log">
  <PatternLayout>
    <pattern>%d %p %c{1.} [%t] %m%n</pattern>
  </PatternLayout>
</File>