提示信息网站维护中，请稍候再试！若有不便，敬请谅解！
应用程序异常出错！
错误信息： java.lang.NullPointerException
问题如下：
java.lang.NullPointerException at org.apache.jsp._index._jspService(_index.java(Compiled Code)) at com.ibm.ws.webcontainer.jsp.runtime.HttpJspBase.service(HttpJspBase.java(Compiled Code)) at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.jsp.servlet.JspServlet$JspServletWrapper.service(JspServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.serviceJspFile(JspServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.jsp.servlet.JspServlet.service(JspServlet.java(Compiled Code)) at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java(Inlined Compiled Code)) at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java(Inlined Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java(Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:555) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.SimpleFileServlet.doGet(SimpleFileServlet.java(Compiled Code)) at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code)) at javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java(Inlined Compiled Code)) at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java(Compiled Code)) at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java(Inlined Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java(Compiled Code)) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:555) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java(Compiled Code)) at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java(Compiled Code)) at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java(Compiled Code)) at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java(Compiled Code)) at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java(Compiled Code)) at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java(Compiled Code)) at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java(Compiled Code)) at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java(Compiled Code)) at com.ibm.ws.http.HttpConnection.run(HttpConnection.java(Compiled Code)) at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java(Compiled Code))