UserServlet com.servlet.UserServlet UserServlet /user ArticleServlet com.servlet.ArticleServlet ArticleServlet /article BarService com.servlet.echart.BarService BarService /barservice DelServlet com.servlet.echart.DelServlet DelServlet /delServlet JsoService com.servlet.echart.JsoService JsoService /jsoService SaveService com.servlet.echart.SaveService SaveService /saveService CommentServlet com.servlet.CommentServlet CommentServlet /comment GenreServlet com.servlet.GenreServlet GenreServlet /genre /index.jsp 404 /err.jsp 500 /err.jsp