MyEclipse报的错误是:
”严重: Servlet.service() for servlet [jsp] in context with path [/ymw] threw exception [java.lang.NullPointerException] with root cause
java.lang.NullPointerException“
MyEclipse报的错误是:
”严重: Servlet.service() for servlet [jsp] in context with path [/ymw] threw exception [java.lang.NullPointerException] with root cause
java.lang.NullPointerException“
提问的时候应该尽可能地把错误信息截图显示出来