type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: javax.servlet.ServletException: net.ontopia.topicmaps.nav2.core.NavigatorRuntimeException: net.ontopia.topicmaps.nav2.taglibs.tolog.SymbolicIdTag : requires a variable (attribute 'var') containing a non-empty Collection, but the Collection in the variable 'country' is empty. It is possible to get a fallback value by setting the 'fallback' attribute. org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:532) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:440) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:391) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
root cause
javax.servlet.ServletException: net.ontopia.topicmaps.nav2.core.NavigatorRuntimeException: net.ontopia.topicmaps.nav2.taglibs.tolog.SymbolicIdTag : requires a variable (attribute 'var') containing a non-empty Collection, but the Collection in the variable 'country' is empty. It is possible to get a fallback value by setting the 'fallback' attribute. org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:911) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:840) org.apache.jsp.province_jsp._jspService(province_jsp.java:136) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:417) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:391) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
root cause
net.ontopia.topicmaps.nav2.core.NavigatorRuntimeException: net.ontopia.topicmaps.nav2.taglibs.tolog.SymbolicIdTag : requires a variable (attribute 'var') containing a non-empty Collection, but the Collection in the variable 'country' is empty. It is possible to get a fallback value by setting the 'fallback' attribute. net.ontopia.topicmaps.nav2.taglibs.tolog.BaseOutputProducingTag.generateOutputObject(BaseOutputProducingTag.java:140) net.ontopia.topicmaps.nav2.taglibs.tolog.BaseOutputProducingTag.doStartTag(BaseOutputProducingTag.java:75) org.apache.jsp.province_jsp._jspx_meth_tolog_005fid_005f0(province_jsp.java:433) org.apache.jsp.province_jsp._jspx_meth_template_005fput_005f2(province_jsp.java:342) org.apache.jsp.province_jsp._jspx_meth_template_005finsert_005f0(province_jsp.java:191) org.apache.jsp.province_jsp._jspService(province_jsp.java:109) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:417) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:391) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.10 logs.