HTTP Status 500 - An exception occurred processing JSP page /ShowSongList.jsp at line 14
type Exception report
message An exception occurred processing JSP page /ShowSongList.jsp at line 14
description The server encountered an internal error that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: An exception occurred processing JSP page /ShowSongList.jsp at line 14
11:
12: <%
13: SongDAO songDAO=SongDAOFactory.getSongDAOInstance();
14: List songList=songDAO.findAllSong();
15: pageContext.setAttribute("songList", songList);
16: %>
17:
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:568)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:470)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause
java.lang.NullPointerException
com.sanqing.impl.SongDAOImpl.findAllSong(SongDAOImpl.java:65)
org.apache.jsp.ShowSongList_jsp._jspService(ShowSongList_jsp.java:84)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
