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commons-logging.jar导入这个包到tomcat lib下
2.修改tomcat的bin目录下面的catalina.bat文件 只需修改:set CLASSPATH=%CLASSPATH%;%CATALINA_HOME%inootstrap.jar; 修改为: set CLASSPATH=%CLASSPATH%;%CATALINA_HOME%inootstrap.jar;% CATALINA_HOME%incommons-logging.jar;%CATALINA_HOME%in