tomcat5。0。28启动不了

tomcat5。0。28启动不了

错误信息如下
Bootstrap: Class loader creation threw exception
java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
        at org.apache.tomcat.util.compat.JdkCompat.<clinit>(JdkCompat.java:55)
        at org.apache.catalina.startup.ClassLoaderFactory.<clinit>(ClassLoaderFactory.java:63)
        at org.apache.catalina.startup.Bootstrap.initClassLoaders(Bootstrap.java:103)
        at org.apache.catalina.startup.Bootstrap.init(Bootstrap.java:196)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:402)
Bootstrap: Class loader creation threw exception

我 顶 一 下
难道没人装过这个版本?