java.lang.NullPointerException
<2009-6-16 上午08时41分08秒 GMT+08:00> <Error> <HTTP> <BEA-101020> <[ServletContext(id=31284852,name=ccis,context-path=/ccis)] Servlet failed with Exceptionjava.lang.NullPointerException
at org.apache.myfaces.renderkit.html.HtmlRendererUtils.selectContentType(HtmlRendererUtils.java:974)
at org.apache.myfaces.component.html.util.AddResource.writeWithFullHeader(AddResource.java:444)
at org.apache.myfaces.component.html.util.ExtensionsFilter.doFilter(ExtensionsFilter.java:132)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:75)
at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:213)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6987)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3892)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2766)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:224)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:183)
>
--------------------编程问答-------------------- 实在没弄明白 望哪位大侠帮帮忙 --------------------编程问答-------------------- 帮顶个，也没看明白！ --------------------编程问答-------------------- 重复贴。
估计与请求时没有设置ContentType之类的有关？ --------------------编程问答-------------------- 路过的~帮顶个~ --------------------编程问答-------------------- 是页面报的错误吗？如果是的话,看下那个页面对象没有实例化。
补充：企业软件 , 中间件
