HTTP Status 500 – Internal Server Error


Type Exception Report

Message javax.servlet.ServletException: java.lang.NullPointerException

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

javax.servlet.ServletException: javax.servlet.ServletException: java.lang.NullPointerException
	org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:85)

Root Cause

javax.servlet.ServletException: java.lang.NullPointerException
	org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:71)
	org.dspace.app.webui.util.JSPManager.showInternalError(JSPManager.java:87)
	org.dspace.app.webui.servlet.DSpaceServlet.processRequest(DSpaceServlet.java:178)
	org.dspace.app.webui.servlet.DSpaceServlet.doGet(DSpaceServlet.java:73)
	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:53)
	org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78)

Root Cause

java.lang.NullPointerException
	org.dspace.app.webui.util.JSPManager.showJSP(JSPManager.java:64)
	org.dspace.app.webui.util.JSPManager.showInternalError(JSPManager.java:87)
	org.dspace.app.webui.servlet.DSpaceServlet.processRequest(DSpaceServlet.java:178)
	org.dspace.app.webui.servlet.DSpaceServlet.doGet(DSpaceServlet.java:73)
	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:53)
	org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78)

Note The full stack trace of the root cause is available in the server logs.


Apache Tomcat/9.0.27