交叉表预览时报错
交叉表预览时报错，错误提示如下：
org.apache.jasper.JasperException: Exception in JSP: /tools/reportviewer.jsp:7
4: <% request.setCharacterEncoding("UTF-8");
5: String viewer = request.getParameter("viewer");
6: String forward = "defaultviewer.jsp";
7: request.getRequestDispatcher("tools/"+forward).forward(request, response);
8: %>
org.apache.jasper.JasperException: Exception in JSP: /tools/toolsbar.jsp:134
131:
132:
133:
134: <% _container.writeOut(); %>
135:
