struts的问题,帮我看看这是什么错

03-07-24 smallduzi

StandardWrapper[/cpetstoreweb:action]: Marking servlet action as unavailable
StandardContext[/cpetstoreweb]: Servlet /cpetstoreweb threw load() exception: javax.servlet.ServletException: Error instantiating servlet class org.apache.struts.action.ActionServlet
javax.servlet.ServletException: Error instantiating servlet class org.apache.struts.action.ActionServlet
	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:895)
	at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:810)
	at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3279)
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:3421)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
	at org.apache.catalina.core.StandardHost.start(StandardHost.java:638)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:343)
	at org.apache.catalina.core.StandardService.start(StandardService.java:388)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:506)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:781)
	at org.apache.catalina.startup.Catalina.execute(Catalina.java:681)
	at org.apache.catalina.startup.Catalina.process(Catalina.java:179)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:324)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:243)
StandardWrapper[/cpetstoreweb:default]: Loading container servlet default
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