解决 log4j.xml 问题 http//jakarta.apache.org/log4j/ uri is not registered 的方法
转载：https://blog.csdn.net/HeatDeath/article/details/78330390
解决log4j.xml问题http//jakarta.apache.org/log4j/ uri is not registered
配置log4j.xml出现“http //jakarta.apache.org/log4j/ uri is not registered”的错误信息。
原始的log4j.xml配置文件：
<?xml version="1.0" encoding="GB2312" ?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/" debug="true">解决方法，具体修改如下所示。
<?xml version="1.0" encoding="GB2312" ?>
<!DOCTYPE log4j:configuration SYSTEM "http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/xml/doc-files/log4j.dtd">
<log4j:configuration debug="true">