type Exception report
message Timer already cancelled.
description The server encountered an internal error that prevented it from fulfilling this request.
exception
java.lang.IllegalStateException: Timer already cancelled. java.util.Timer.sched(Timer.java:397) java.util.Timer.schedule(Timer.java:193) org.openjena.atlas.lib.AlarmClock.add$(AlarmClock.java:66) org.openjena.atlas.lib.AlarmClock.add(AlarmClock.java:58) com.hp.hpl.jena.sparql.engine.QueryExecutionBase.initTimeout1(QueryExecutionBase.java:426) com.hp.hpl.jena.sparql.engine.QueryExecutionBase.startQueryIterator(QueryExecutionBase.java:495) com.hp.hpl.jena.sparql.engine.QueryExecutionBase.execResultSet(QueryExecutionBase.java:507) com.hp.hpl.jena.sparql.engine.QueryExecutionBase.execDescribe(QueryExecutionBase.java:293) com.hp.hpl.jena.sparql.engine.QueryExecutionBase.execDescribe(QueryExecutionBase.java:276) de.fuberlin.wiwiss.d2rq.server.ResourceDescriptionServlet.doGet(ResourceDescriptionServlet.java:60) javax.servlet.http.HttpServlet.service(HttpServlet.java:620) javax.servlet.http.HttpServlet.service(HttpServlet.java:727) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.56 logs.