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: Expected collection which contains topics, base names, variants or topic map refs as elements. But got instance of class net.ontopia.topicmaps.impl.basic.Association. 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: Expected collection which contains topics, base names, variants or topic map refs as elements. But got instance of class net.ontopia.topicmaps.impl.basic.Association. org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:911) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:840) org.apache.jsp.ftree_jsp._jspService(ftree_jsp.java:129) 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: Expected collection which contains topics, base names, variants or topic map refs as elements. But got instance of class net.ontopia.topicmaps.impl.basic.Association. net.ontopia.topicmaps.nav2.utils.Stringificator.toString(Stringificator.java:172) net.ontopia.topicmaps.nav2.taglibs.output.NameTag.generateOutput(NameTag.java:47) net.ontopia.topicmaps.nav2.taglibs.output.BaseOutputProducingTag.doStartTag(BaseOutputProducingTag.java:108) org.apache.jsp.ftree_jsp._jspx_meth_output_005fname_005f0(ftree_jsp.java:223) org.apache.jsp.ftree_jsp._jspx_meth_template_005fput_005f0(ftree_jsp.java:195) org.apache.jsp.ftree_jsp._jspx_meth_template_005finsert_005f0(ftree_jsp.java:151) org.apache.jsp.ftree_jsp._jspService(ftree_jsp.java:102) 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.