Type Exception Report
Message java.lang.NullPointerException
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
javax.servlet.ServletException: java.lang.NullPointerException org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:286) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449) javax.servlet.http.HttpServlet.service(HttpServlet.java:634) javax.servlet.http.HttpServlet.service(HttpServlet.java:741) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) uk.ac.bris.adt.olac.web.filters.OlacPopulateFilter.doFilter(OlacPopulateFilter.java:88) org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71)
Root Cause
java.lang.NullPointerException uk.ac.bris.adt.olac.web.actions.AtoZAction.executeFacultyUnits(AtoZAction.java:170) uk.ac.bris.adt.olac.web.actions.AtoZAction.execute(AtoZAction.java:55) org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58) org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67) org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51) org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190) org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304) org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190) org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449) javax.servlet.http.HttpServlet.service(HttpServlet.java:634) javax.servlet.http.HttpServlet.service(HttpServlet.java:741) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) uk.ac.bris.adt.olac.web.filters.OlacPopulateFilter.doFilter(OlacPopulateFilter.java:88) org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71)
Note The full stack trace of the root cause is available in the server logs.