type Exception report
message java.lang.NullPointerException
description The server encountered an internal error that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: java.lang.NullPointerException org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:520) org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:427) org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449) javax.servlet.http.HttpServlet.service(HttpServlet.java:624) javax.servlet.http.HttpServlet.service(HttpServlet.java:731) common.util.EncodingFilter.doFilter(EncodingFilter.java:41) com.opensymphony.sitemesh.webapp.SiteMeshFilter.obtainContent(SiteMeshFilter.java:129) com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter(SiteMeshFilter.java:77)
root cause
java.lang.NullPointerException com.flash21.board.dao.UserBoardDaoSqlMap.getBoard(UserBoardDaoSqlMap.java:342) com.flash21.board.dao.UserBoardManager.getBoard(UserBoardManager.java:37) com.flash21.board.action.BoardAction.boardView(BoardAction.java:370) sun.reflect.GeneratedMethodAccessor371.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) java.lang.reflect.Method.invoke(Method.java:597) org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:269) com.flash21.common.FlashDispatchAction.dispatchMethod(FlashDispatchAction.java:22) com.flash21.board.action.BoardAction.dispatchMethod(BoardAction.java:57) org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:170) org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425) org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449) javax.servlet.http.HttpServlet.service(HttpServlet.java:624) javax.servlet.http.HttpServlet.service(HttpServlet.java:731) common.util.EncodingFilter.doFilter(EncodingFilter.java:41) com.opensymphony.sitemesh.webapp.SiteMeshFilter.obtainContent(SiteMeshFilter.java:129) com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter(SiteMeshFilter.java:77)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.88 logs.