error
JSP runtime Exceptionjava.lang.InstantiationException: forum not found
java.lang.InstantiationException: forum not found
	at board.link_jsp._jspService(link_jsp.java:59)
	at de.bb.jsp.JspServletImpl.service(JspServletImpl.java:36)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at de.bb.jsp.JspServlet.service(JspServlet.java:252)
	at de.bb.jsp.JspServlet.service(JspServlet.java:176)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at de.bb.bejy.http.ServletHandler.doFilter(ServletHandler.java:172)
	at de.bb.bejy.http.ServletHandler.service(ServletHandler.java:81)
	at de.bb.bejy.http.RequestDispatcher.include(RequestDispatcher.java:174)
	at de.bb.jsp.PageContextImpl.include(PageContextImpl.java:265)
	at forum_jsp._jspService(forum_jsp.java:56)
	at de.bb.jsp.JspServletImpl.service(JspServletImpl.java:36)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at de.bb.jsp.JspServlet.service(JspServlet.java:252)
	at de.bb.jsp.JspServlet.service(JspServlet.java:176)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at de.bb.bejy.http.ServletHandler.doFilter(ServletHandler.java:172)
	at de.bb.bejy.http.ServletHandler.service(ServletHandler.java:81)
	at de.bb.bejy.http.RequestDispatcher.handle(RequestDispatcher.java:231)
	at de.bb.bejy.http.HttpRequest.handle(HttpRequest.java:1074)
	at de.bb.bejy.http.HttpProtocol.doit(HttpProtocol.java:179)
	at de.bb.bejy.Protocol.work(Protocol.java:225)
	at de.bb.bejy.ServerThread.runOld(ServerThread.java:387)
	at de.bb.bejy.ServerThread.run(ServerThread.java:332)
JSP runtime Exceptionjava.lang.InstantiationException: manager not found
java.lang.InstantiationException: manager not found
	at board.forumView_jsp._jspService(forumView_jsp.java:62)
	at de.bb.jsp.JspServletImpl.service(JspServletImpl.java:36)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at de.bb.jsp.JspServlet.service(JspServlet.java:252)
	at de.bb.jsp.JspServlet.service(JspServlet.java:176)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at de.bb.bejy.http.ServletHandler.doFilter(ServletHandler.java:172)
	at de.bb.bejy.http.ServletHandler.service(ServletHandler.java:81)
	at de.bb.bejy.http.RequestDispatcher.include(RequestDispatcher.java:174)
	at de.bb.jsp.PageContextImpl.include(PageContextImpl.java:265)
	at forum_jsp._jspService(forum_jsp.java:59)
	at de.bb.jsp.JspServletImpl.service(JspServletImpl.java:36)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at de.bb.jsp.JspServlet.service(JspServlet.java:252)
	at de.bb.jsp.JspServlet.service(JspServlet.java:176)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at de.bb.bejy.http.ServletHandler.doFilter(ServletHandler.java:172)
	at de.bb.bejy.http.ServletHandler.service(ServletHandler.java:81)
	at de.bb.bejy.http.RequestDispatcher.handle(RequestDispatcher.java:231)
	at de.bb.bejy.http.HttpRequest.handle(HttpRequest.java:1074)
	at de.bb.bejy.http.HttpProtocol.doit(HttpProtocol.java:179)
	at de.bb.bejy.Protocol.work(Protocol.java:225)
	at de.bb.bejy.ServerThread.runOld(ServerThread.java:387)
	at de.bb.bejy.ServerThread.run(ServerThread.java:332)