做个WEB项目，TOMCAT报错了
2011-3-29 20:35:35 org.apache.catalina.startup.Catalina start
信息: Server startup in 2281 ms
all
2011-3-29 20:35:39 com.opensymphony.xwork2.validator.ActionValidatorManagerFacto
ry <clinit>
信息: Detected AnnotationActionValidatorManager, initializing it...
java.lang.ClassCastException: java.lang.String cannot be cast to [B
  at wyy.DBUtil.getIndexContent(DBUtil.java:37)
  at wyy.IndexAction.execute(IndexAction.java:58)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
  at java.lang.reflect.Method.invoke(Unknown Source)
  at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultA
ctionInvocation.java:404)
  at com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(Defa
ultActionInvocation.java:267)
  at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:229)
  at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doInte
rcept(DefaultWorkflowInterceptor.java:221)
  at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept
(MethodFilterInterceptor.java:86)
  at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(Default
ActionInvocation.java:224)
  at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(Default
ActionInvocation.java:223)
  at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTim
erStack.java:455)
  at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:221)
  at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(V
alidationInterceptor.java:150)
  at org.apache.struts2.interceptor.validation.AnnotationValidationInterce
ptor.doIntercept(AnnotationValidationInterceptor.java:48)
  at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept
(MethodFilterInterceptor.java:86)
  at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(Default
ActionInvocation.java:224)
  at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(Default
ActionInvocation.java:223)
  at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTim
erStack.java:455)
  at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:221)
  at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.interc
ept(ConversionErrorInterceptor.java:123)
  at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(Default
ActionInvocation.java:224)
  at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(Default
ActionInvocation.java:223)
  at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTim
erStack.java:455)
  at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI
nvocation.java:221)
  at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept
(ParametersInterceptor.java:167)
  at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept
(MethodFilterInterceptor.java:86)
  at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(Default
ActionInvocation.java:224)
  at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(Default
ActionInvocation.java:223)
  at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTim
erStack.java:455)
  at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionI