新年好：关于java.lang.IllegalArgumentException: Can't convert argument: null
Tomcat6.0+myeclipse, 普通servlet，出现如下错误，高手给侃侃
java.lang.IllegalArgumentException: Can 't convert argument: null
at org.apache.tomcat.util.IntrospectionUtils.convert(IntrospectionUtils.java:976)
at org.apache.tomcat.util.digester.CallMethodRule.end(CallMethodRule.java:523)
at org.apache.tomcat.util.digester.Rule.end(Rule.java:229)
[解决办法]
Can 't convert argument--转化错误吧，具体情况LZ将代码发下
