HTTP Status 500 - An exception occurred processing JSP page /linkcolumn.jsp at line 23


type Exception report

message An exception occurred processing JSP page /linkcolumn.jsp at line 23

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 /linkcolumn.jsp at line 23

20:     }
21:     
22:     String position = request.getParameter("column");
23:     String linkUrl = Manager.getInstance().getLinkUrlContainTreeId(owner, position);
24:     linkUrl = WebPublish.modeLink(linkUrl, request.getRequestURI(), mode, owner);
25:     response.sendRedirect(response.encodeRedirectURL(linkUrl));
26:  %>


Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:575)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:477)
	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:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	org.apache.catalina.filters.ExpiresFilter.doFilter(ExpiresFilter.java:1201)
	webber.vsb.multiscreen.ScreenFilter.doFilter(ScreenFilter.java:138)
	webber.core.filter.WebberFilter.doFilter(WebberFilter.java:185)

root cause

java.lang.NullPointerException
	java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333)
	java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:988)
	webber.vsb.column.Manager.getTreeManager(Manager.java:213)
	webber.vsb.column.Manager.getLinkUrlContainTreeId(Manager.java:664)
	org.apache.jsp.linkcolumn_jsp._jspService(linkcolumn_jsp.java:108)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:439)
	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:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	org.apache.catalina.filters.ExpiresFilter.doFilter(ExpiresFilter.java:1201)
	webber.vsb.multiscreen.ScreenFilter.doFilter(ScreenFilter.java:138)
	webber.core.filter.WebberFilter.doFilter(WebberFilter.java:185)

note The full stack trace of the root cause is available in the VAppServer/6.0.0 logs.


VAppServer/6.0.0