type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
HttpException: HttpException: 500 Internal Server Error: HttpException: 500 Internal Server Error com.hp.hpl.jena.sparql.engine.http.HttpQuery.execCommon(HttpQuery.java:337) com.hp.hpl.jena.sparql.engine.http.HttpQuery.execGet(HttpQuery.java:189) com.hp.hpl.jena.sparql.engine.http.HttpQuery.exec(HttpQuery.java:144) com.hp.hpl.jena.sparql.engine.http.QueryEngineHTTP.execModel(QueryEngineHTTP.java:160) com.hp.hpl.jena.sparql.engine.http.QueryEngineHTTP.execDescribe(QueryEngineHTTP.java:154) com.hp.hpl.jena.sparql.engine.http.QueryEngineHTTP.execDescribe(QueryEngineHTTP.java:152) de.fuberlin.wiwiss.pubby.RemoteSPARQLDataSource.execDescribeQuery(RemoteSPARQLDataSource.java:75) de.fuberlin.wiwiss.pubby.RemoteSPARQLDataSource.getResourceDescription(RemoteSPARQLDataSource.java:53) de.fuberlin.wiwiss.pubby.servlets.BaseServlet.getResourceDescription(BaseServlet.java:67) de.fuberlin.wiwiss.pubby.servlets.DataURLServlet.doGet(DataURLServlet.java:38) de.fuberlin.wiwiss.pubby.servlets.BaseURLServlet.doGet(BaseURLServlet.java:36) de.fuberlin.wiwiss.pubby.servlets.BaseServlet.doGet(BaseServlet.java:95) javax.servlet.http.HttpServlet.service(HttpServlet.java:621) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) net.sourceforge.stripes.controller.DynamicMappingFilter.doFilter(DynamicMappingFilter.java:397)
root cause
HttpException: 500 Internal Server Error com.hp.hpl.jena.sparql.engine.http.HttpQuery.execCommon(HttpQuery.java:299) com.hp.hpl.jena.sparql.engine.http.HttpQuery.execGet(HttpQuery.java:189) com.hp.hpl.jena.sparql.engine.http.HttpQuery.exec(HttpQuery.java:144) com.hp.hpl.jena.sparql.engine.http.QueryEngineHTTP.execModel(QueryEngineHTTP.java:160) com.hp.hpl.jena.sparql.engine.http.QueryEngineHTTP.execDescribe(QueryEngineHTTP.java:154) com.hp.hpl.jena.sparql.engine.http.QueryEngineHTTP.execDescribe(QueryEngineHTTP.java:152) de.fuberlin.wiwiss.pubby.RemoteSPARQLDataSource.execDescribeQuery(RemoteSPARQLDataSource.java:75) de.fuberlin.wiwiss.pubby.RemoteSPARQLDataSource.getResourceDescription(RemoteSPARQLDataSource.java:53) de.fuberlin.wiwiss.pubby.servlets.BaseServlet.getResourceDescription(BaseServlet.java:67) de.fuberlin.wiwiss.pubby.servlets.DataURLServlet.doGet(DataURLServlet.java:38) de.fuberlin.wiwiss.pubby.servlets.BaseURLServlet.doGet(BaseURLServlet.java:36) de.fuberlin.wiwiss.pubby.servlets.BaseServlet.doGet(BaseServlet.java:95) javax.servlet.http.HttpServlet.service(HttpServlet.java:621) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) net.sourceforge.stripes.controller.DynamicMappingFilter.doFilter(DynamicMappingFilter.java:397)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.26 logs.