上网打开的网页好多都是显示HTTP Status 500 - 和一些代码，怎么解决啊

是不是
HTTP Status 500 -

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type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Filter execution threw an exception
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)

root cause

java.lang.NoSuchMethodError: com.wedomo.webgame.fbm3guo.wicket.GameWebPage.access$000(Lcom/wedomo/webgame/fbm3guo/wicket/pages/building/MarketPlace_GoldTrade;)Lcom/wedomo/webgame/fbm3guo/service/ItemService;
com.wedomo.webgame.fbm3guo.wicket.pages.building.MarketPlace_GoldTrade.access$000(<generated>)
com.wedomo.webgame.fbm3guo.wicke