webwork在weblogic下报response already committed.怎么解决？

我的环境是weblogic8.13+webwork+spring+hibernate运行的时候报了response already committed.的错误，不知道怎么解决，希望得到各位高手的解答，但是此问题在tomcat下面没有出现过，这让我很郁闷.
下面是错误信息：

java.lang.IllegalStateException: response already committed
	at weblogic.servlet.internal.ServletResponseImpl.sendError(ServletResponseImpl.java:394)
	at com.opensymphony.webwork.dispatcher.DispatcherUtils.sendError(DispatcherUtils.java:479)
	at com.opensymphony.webwork.dispatcher.DispatcherUtils.serviceAction(DispatcherUtils.java:238)
	at com.opensymphony.webwork.dispatcher.ServletDispatcher.service(ServletDispatcher.java:111)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:996)
	at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:419)
	at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28)
	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
	at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:172)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6458)
	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118)
	at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3661)
	at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2630)
	at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
	at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)
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为什么新手贴?

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