HTTP Status 500 – Internal Server Error


Type Exception Report

Message An exception occurred processing [/product.jsp] at line [55]

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.apache.jasper.JasperException: An exception occurred processing [/product.jsp] at line [55]

52: // 	} catch (Exception e) { }
53: // 	System.out.println("prodnum=" + prodnum);
54: 	ProductGroup productGroup = SolrSearch.getProductGroup(prodnum);
55: 	String productGroupId = productGroup.getProductGroupId();
56: 	if (productGroup == null || productGroup.isMaskedFlag()) {
57: 		response.sendRedirect("/sheet-music/noresults.jsp");
58: 		return;


Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:610)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:499)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	com.jwpepper.filters.SheetMusicUrlRewriter.doFilter(SheetMusicUrlRewriter.java:125)
	com.jwpepper.filters.JwpUrlRewriter.doFilter(JwpUrlRewriter.java:92)

Root Cause

java.lang.NullPointerException
	org.apache.jsp.product_jsp._jspService(product_jsp.java:275)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	com.jwpepper.filters.SheetMusicUrlRewriter.doFilter(SheetMusicUrlRewriter.java:125)
	com.jwpepper.filters.JwpUrlRewriter.doFilter(JwpUrlRewriter.java:92)

Note The full stack trace of the root cause is available in the server logs.


Apache Tomcat/9.0.74